Rosignano Solvay-Castiglioncello climate — normals and trends

Q: What is the climate of Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 883 mm of precipitation per year.

Q: What is the hottest day ever recorded in Rosignano Solvay-Castiglioncello?

The hottest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 10 August 2024, reaching 36.2 °C.

Q: What is the coldest day in Rosignano Solvay-Castiglioncello?

The coldest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 11 January 1985, at -12.4 °C.

Q: Does it snow in Rosignano Solvay-Castiglioncello?

Yes. Rosignano Solvay-Castiglioncello gets on average 4.8 cm of snow per year and has around 7 frost days.

Q: Has the climate of Rosignano Solvay-Castiglioncello warmed?

Yes: Rosignano Solvay-Castiglioncello warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Rosignano Solvay-Castiglioncello?

The wettest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 21 October 2013, with 117 mm of rain in 24 hours.

Q: What was the windiest day in Rosignano Solvay-Castiglioncello?

The windiest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 7 January 1968, with winds reaching 47.7 km/h.

Q: What is the warmest month in Rosignano Solvay-Castiglioncello?

The warmest month in Rosignano Solvay-Castiglioncello is August (23.9 °C on average); the coldest is January (6.8 °C).

Q: How much does it rain in Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello receives on average 883 mm of precipitation per year, spread over about 109 rainy days.

Q: Is it sunny in Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

Rosignano Solvay-Castiglioncello (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 883 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (23.9 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in October.

Rosignano Solvay-Castiglioncello averages 7 frost days, 10 hot days (≥ 30 °C) and 109 rainy days per year.

Rosignano Solvay-Castiglioncello has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The number of frost days there went from about 14 to 0 per year over the period.

The hottest day of the period reached 36.2 °C (on 10 August 2024) and the coldest -12.4 °C (on 11 January 1985).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Rosignano Solvay-CastiglioncelloTuscany

coords: 43.39°, 10.44°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthOctoberDriest monthJuly

Mean daily temperature

15.0°C

Average daily high

18.2°C

Average daily low

11.9°C

Annual rainfall

883mm

Sunshine / day

10.0h

Mean relative humidity

77%

Average peak wind

14.2km/h

Seasonal range

17.1°C

Frost days (< 0 °C)

7 d/yr

Hot days (≥ 30 °C)

10 d/yr

Rainy days (≥ 1 mm)

109 d/yr

Annual snowfall

4.8 cm

Average feels-like high

17.9 °C

Average feels-like low

11.0 °C

Average peak gust

32.4 km/h

Tropical nights (≥ 20 °C)

45 d/yr

Solar radiation

14.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.55 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

36.2 °C

10 August 2024

Coldest day

-12.4 °C

11 January 1985

Wettest day

117 mm

21 October 2013

Windiest day

47.7 km/h

7 January 1968

Strongest gust

118.1 km/h

5 March 2015

Hottest feels-like

42.4 °C

11 August 2024

Coldest feels-like

-17.3 °C

11 January 1985

Snowiest day

17.0 cm

1 February 2012

Sunniest day

15.0 h

27 June 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.2 °C11 August 2025	0.8 °C4 January 2025	16.5 °C	1,084 mm	34	0
2024	36.2 °C10 August 2024	1.1 °C12 January 2024	16.6 °C	1,105 mm	50	0
2023	34.5 °C23 August 2023	0.3 °C10 February 2023	17.0 °C	860 mm	33	0
2022	34.6 °C20 July 2022	1.7 °C9 March 2022	17.0 °C	719 mm	43	0
2021	33.1 °C13 August 2021	-0.9 °C18 January 2021	16.0 °C	863 mm	14	1
2020	33.4 °C9 August 2020	1.9 °C14 December 2020	16.4 °C	869 mm	17	0
2019	33.4 °C23 July 2019	0.7 °C4 January 2019	16.4 °C	1,024 mm	25	0
2018	34.0 °C5 August 2018	-2.8 °C27 February 2018	16.4 °C	967 mm	18	3
2017	32.8 °C1 August 2017	-3.0 °C9 January 2017	15.9 °C	562 mm	19	2
2016	30.5 °C11 July 2016	0.5 °C19 January 2016	16.1 °C	952 mm	9	0
2015	34.2 °C7 August 2015	1.1 °C1 January 2015	16.3 °C	757 mm	31	0
2014	30.9 °C9 June 2014	1.1 °C31 December 2014	16.3 °C	1,335 mm	1	0
2013	31.3 °C21 July 2013	0.4 °C23 February 2013	15.5 °C	1,142 mm	15	0
2012	34.0 °C19 August 2012	-2.5 °C6 February 2012	15.5 °C	863 mm	11	12
2011	33.3 °C21 August 2011	-1.0 °C31 December 2011	15.6 °C	605 mm	10	1
2010	32.0 °C18 July 2010	-1.9 °C1 February 2010	15.1 °C	1,198 mm	15	5
2009	33.5 °C19 August 2009	-0.6 °C19 December 2009	15.9 °C	921 mm	17	3
2008	31.0 °C28 June 2008	0.1 °C18 February 2008	15.5 °C	921 mm	4	0
2007	31.4 °C27 August 2007	0.1 °C29 December 2007	15.4 °C	643 mm	2	0
2006	32.4 °C24 July 2006	-2.3 °C25 January 2006	15.5 °C	623 mm	18	4
2005	31.7 °C28 July 2005	-3.7 °C2 March 2005	14.7 °C	891 mm	2	10
2004	30.5 °C15 August 2004	-1.3 °C30 January 2004	15.2 °C	883 mm	2	2
2003	35.5 °C5 August 2003	-1.4 °C13 January 2003	15.7 °C	661 mm	40	9
2002	32.0 °C25 June 2002	-2.4 °C5 January 2002	15.5 °C	914 mm	5	6
2001	32.7 °C2 August 2001	-3.0 °C27 February 2001	15.6 °C	728 mm	12	3
2000	31.6 °C19 August 2000	-1.9 °C26 January 2000	15.8 °C	1,042 mm	4	3
1999	30.4 °C18 July 1999	-0.4 °C31 January 1999	15.6 °C	889 mm	1	1
1998	31.9 °C8 August 1998	-0.9 °C28 January 1998	15.2 °C	778 mm	8	4
1997	30.7 °C10 August 1997	2.2 °C2 February 1997	15.4 °C	752 mm	2	0
1996	30.0 °C26 July 1996	-4.6 °C30 December 1996	14.7 °C	1,003 mm	1	5
1995	32.3 °C24 July 1995	-0.5 °C7 January 1995	14.7 °C	823 mm	9	2
1994	32.1 °C4 August 1994	-1.6 °C18 February 1994	15.6 °C	670 mm	20	4
1993	31.8 °C4 July 1993	-1.7 °C3 January 1993	14.7 °C	761 mm	7	7
1992	32.5 °C28 July 1992	-1.7 °C1 January 1992	14.9 °C	1,025 mm	11	3
1991	30.2 °C10 July 1991	-5.0 °C6 February 1991	14.0 °C	867 mm	3	19
1990	30.7 °C28 July 1990	-1.6 °C3 January 1990	14.9 °C	795 mm	3	5
1989	30.4 °C16 August 1989	-1.5 °C4 December 1989	14.5 °C	723 mm	2	5
1988	31.2 °C15 August 1988	-0.3 °C18 December 1988	15.1 °C	730 mm	12	1
1987	31.4 °C20 August 1987	-3.4 °C1 February 1987	14.5 °C	903 mm	9	16
1986	31.2 °C3 August 1986	-2.6 °C28 December 1986	14.7 °C	872 mm	4	11
1985	30.3 °C14 August 1985	-12.4 °C11 January 1985	14.5 °C	701 mm	3	17
1984	30.8 °C4 August 1984	-1.4 °C12 January 1984	14.0 °C	1,205 mm	1	7
1983	33.1 °C30 July 1983	-1.2 °C15 December 1983	14.7 °C	813 mm	10	3
1982	31.5 °C16 July 1982	-1.6 °C23 February 1982	15.0 °C	745 mm	5	4
1981	32.4 °C4 August 1981	-3.1 °C10 January 1981	14.5 °C	928 mm	5	11
1980	30.2 °C2 August 1980	-0.1 °C4 January 1980	13.8 °C	995 mm	1	1
1979	31.7 °C7 August 1979	-4.8 °C3 January 1979	14.7 °C	1,086 mm	3	12
1978	29.7 °C7 August 1978	-1.4 °C7 January 1978	14.3 °C	933 mm	0	4
1977	28.3 °C7 August 1977	1.0 °C20 December 1977	14.9 °C	1,065 mm	0	0
1976	29.5 °C30 June 1976	-1.0 °C29 January 1976	14.5 °C	1,163 mm	0	3
1975	32.0 °C3 August 1975	-0.3 °C4 January 1975	14.8 °C	1,023 mm	7	1
1974	30.9 °C18 August 1974	1.2 °C17 December 1974	14.7 °C	932 mm	4	0
1973	31.9 °C13 August 1973	-2.1 °C4 December 1973	14.7 °C	791 mm	8	8
1972	33.1 °C13 August 1972	-0.7 °C27 January 1972	14.6 °C	1,147 mm	7	1
1971	32.2 °C17 August 1971	-2.0 °C7 March 1971	14.6 °C	907 mm	18	6
1970	32.2 °C13 July 1970	-3.5 °C21 December 1970	15.0 °C	785 mm	8	6
1969	32.7 °C22 July 1969	-1.4 °C26 December 1969	14.6 °C	1,093 mm	8	5
1968	32.3 °C10 July 1968	-4.3 °C14 January 1968	14.5 °C	1,163 mm	7	9
1967	32.0 °C31 July 1967	-3.6 °C10 January 1967	14.9 °C	838 mm	5	15
1966	31.8 °C13 August 1966	-4.6 °C19 January 1966	14.6 °C	1,153 mm	3	8
1965	31.6 °C6 August 1965	-0.6 °C18 February 1965	14.5 °C	1,055 mm	4	3
1964	33.2 °C27 August 1964	-2.1 °C18 January 1964	14.8 °C	957 mm	7	12
1963	31.1 °C19 July 1963	-10.0 °C25 January 1963	13.9 °C	1,131 mm	7	37
1962	32.0 °C25 July 1962	-1.0 °C24 February 1962	14.6 °C	786 mm	7	11
1961	31.6 °C29 August 1961	-2.1 °C17 December 1961	15.6 °C	850 mm	8	3
1960	31.2 °C28 August 1960	-1.9 °C14 January 1960	15.0 °C	1,226 mm	1	3
1959	32.5 °C7 July 1959	0.2 °C13 January 1959	15.3 °C	899 mm	4	0
1958	32.6 °C1 August 1958	-0.3 °C29 January 1958	14.9 °C	898 mm	5	3
1957	31.0 °C13 August 1957	-0.7 °C20 January 1957	14.7 °C	842 mm	3	2
1956	33.8 °C9 August 1956	-11.9 °C15 February 1956	13.8 °C	823 mm	5	26
1955	30.0 °C18 July 1955	0.5 °C2 January 1955	15.1 °C	837 mm	1	0
1954	30.1 °C25 July 1954	-3.1 °C25 January 1954	14.3 °C	695 mm	1	18
1953	30.6 °C12 August 1953	0.1 °C18 January 1953	14.8 °C	825 mm	2	0
1952	34.1 °C5 July 1952	-0.6 °C22 December 1952	15.2 °C	802 mm	18	4
1951	30.8 °C31 July 1951	0.5 °C30 December 1951	14.9 °C	1,032 mm	2	0
1950	33.1 °C19 July 1950	-1.7 °C25 January 1950	15.2 °C	766 mm	14	8
1949	33.3 °C8 August 1949	-1.6 °C6 March 1949	14.7 °C	853 mm	12	6
1948	28.8 °C16 August 1948	-1.6 °C19 February 1948	14.3 °C	842 mm	0	7
1947	34.1 °C29 July 1947	-5.6 °C29 January 1947	14.8 °C	762 mm	31	29
1946	31.6 °C8 August 1946	-3.3 °C22 December 1946	14.4 °C	851 mm	16	17
1945	34.2 °C22 July 1945	-3.3 °C9 January 1945	14.8 °C	439 mm	26	21
1944	35.6 °C23 August 1944	-1.2 °C20 February 1944	14.1 °C	711 mm	10	7
1943	33.9 °C19 August 1943	-1.5 °C5 January 1943	15.0 °C	905 mm	17	4
1942	32.0 °C27 August 1942	-8.9 °C23 January 1942	13.7 °C	638 mm	11	35
1941	31.4 °C19 August 1941	-3.1 °C13 January 1941	13.4 °C	731 mm	6	15
1940	30.6 °C25 July 1940	-7.8 °C15 February 1940	12.9 °C	564 mm	4	49

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

19.9 °C

+1.7 °C

Hot days (≥ 30 °C)

34 d/yr

+24

Frost days (< 0 °C)

0 d/yr

-7

Annual rainfall

1084 mm

+201 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	11.6 °C	+1.9 °C	79 mm	+10 mm
Feb	12.0 °C	+1.2 °C	125 mm	+50 mm
Mar	14.6 °C	+1.4 °C	136 mm	+62 mm
Apr	17.8 °C	+1.6 °C	114 mm	+36 mm
May	21.3 °C	+0.9 °C	60 mm	-6 mm
Jun	28.9 °C	+4.6 °C	4 mm	-42 mm
Jul	28.8 °C	+1.4 °C	57 mm	+34 mm
Aug	29.9 °C	+2.4 °C	100 mm	+54 mm
Sep	24.6 °C	+0.4 °C	107 mm	+19 mm
Oct	19.9 °C	+0.3 °C	86 mm	-31 mm
Nov	15.6 °C	+1.2 °C	106 mm	-6 mm
Dec	12.8 °C	+2.1 °C	109 mm	+21 mm

The year's extremes

Hottest day

36.2 °C

11 Aug 2025

Coldest day

0.8 °C

4 Jan 2025

Wettest day

32.6 mm

14 Mar 2025

Windiest day

34.6 km/h

28 Jan 2025

Strongest gust

77.0 km/h

17 Apr 2025

Hottest feels-like

41.4 °C

2 Jul 2025

Coldest feels-like

-3.0 °C

14 Jan 2025

Sunniest day

15.0 h

25 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 883 mm of precipitation per year.

What is the hottest day ever recorded in Rosignano Solvay-Castiglioncello?

The hottest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 10 August 2024, reaching 36.2 °C.

What is the coldest day in Rosignano Solvay-Castiglioncello?

The coldest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 11 January 1985, at -12.4 °C.

Does it snow in Rosignano Solvay-Castiglioncello?

Yes. Rosignano Solvay-Castiglioncello gets on average 4.8 cm of snow per year and has around 7 frost days.

Has the climate of Rosignano Solvay-Castiglioncello warmed?

Yes: Rosignano Solvay-Castiglioncello warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Rosignano Solvay-Castiglioncello?

The wettest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 21 October 2013, with 117 mm of rain in 24 hours.

What was the windiest day in Rosignano Solvay-Castiglioncello?

The windiest day measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 7 January 1968, with winds reaching 47.7 km/h.

What is the warmest month in Rosignano Solvay-Castiglioncello?

The warmest month in Rosignano Solvay-Castiglioncello is August (23.9 °C on average); the coldest is January (6.8 °C).

How much does it rain in Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello receives on average 883 mm of precipitation per year, spread over about 109 rainy days.

Is it sunny in Rosignano Solvay-Castiglioncello?

Rosignano Solvay-Castiglioncello gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.

What is the biggest single-day snowfall in Rosignano Solvay-Castiglioncello?

The heaviest 24-hour snowfall measured in Rosignano Solvay-Castiglioncello between 1940 and 2025 was 1 February 2012, with 17.0 cm.

Are there tropical nights in Rosignano Solvay-Castiglioncello?

Yes: Rosignano Solvay-Castiglioncello has on average 45 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Rosignano Solvay-Castiglioncello?

In Rosignano Solvay-Castiglioncello, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 11 August 2024, and the lowest was -17.3 °C on 11 January 1985.

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