Baiona climate — normals and trends

Q: What is the climate of Baiona?

Baiona has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 13.9 °C and it receives 1,676 mm of precipitation per year.

Q: What is the hottest day ever recorded in Baiona?

The hottest day measured in Baiona between 1940 and 2025 was 21 July 1941, reaching 32.9 °C.

Q: What is the coldest day in Baiona?

The coldest day measured in Baiona between 1940 and 2025 was 11 January 1941, at -3.2 °C.

Q: Does it snow in Baiona?

Almost never: Baiona sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Baiona warmed?

Yes: Baiona warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Baiona?

The wettest day measured in Baiona between 1940 and 2025 was 3 October 2010, with 135 mm of rain in 24 hours.

Q: What was the windiest day in Baiona?

The windiest day measured in Baiona between 1940 and 2025 was 15 February 1941, with winds reaching 78.3 km/h.

Q: What is the warmest month in Baiona?

The warmest month in Baiona is August (19.1 °C on average); the coldest is January (9.2 °C).

Q: How much does it rain in Baiona?

Baiona receives on average 1,676 mm of precipitation per year, spread over about 134 rainy days.

Q: Is it sunny in Baiona?

Baiona gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

Baiona (Spain) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 13.9 °C and it receives 1,676 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 (19.1 °C on average) and the coldest is January (9.2 °C). Rainfall peaks in December.

Baiona averages 1 frost days, 1 hot days (≥ 30 °C) and 134 rainy days per year.

Baiona has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.

The number of frost days there went from about 3 to 0 per year over the period.

The hottest day of the period reached 32.9 °C (on 21 July 1941) and the coldest -3.2 °C (on 11 January 1941).

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

BaionaGalicia

coords: 42.12°, -8.85°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

13.9°C

Average daily high

17.0°C

Average daily low

11.0°C

Annual rainfall

1,676mm

Sunshine / day

9.9h

Mean relative humidity

81%

Average peak wind

19.1km/h

Seasonal range

9.9°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

1 d/yr

Rainy days (≥ 1 mm)

134 d/yr

Annual snowfall

0.3 cm

Average feels-like high

16.1 °C

Average feels-like low

9.1 °C

Average peak gust

38.8 km/h

Tropical nights (≥ 20 °C)

1 d/yr

Solar radiation

15.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.38 · 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

32.9 °C

21 July 1941

Coldest day

-3.2 °C

11 January 1941

Wettest day

135 mm

3 October 2010

Windiest day

78.3 km/h

15 February 1941

Strongest gust

164.2 km/h

15 February 1941

Hottest feels-like

37.4 °C

14 June 1981

Coldest feels-like

-7.8 °C

11 January 1941

Snowiest day

3.6 cm

4 February 1994

Sunniest day

14.9 h

21 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	31.3 °C5 August 2025	2.0 °C16 January 2025	14.9 °C	1,944 mm	1	0
2024	28.9 °C23 July 2024	3.1 °C8 January 2024	15.0 °C	1,690 mm	0	0
2023	29.3 °C22 August 2023	1.3 °C2 March 2023	15.0 °C	1,984 mm	0	0
2022	31.3 °C13 July 2022	2.4 °C25 January 2022	15.1 °C	1,828 mm	3	0
2021	28.6 °C23 August 2021	0.1 °C5 January 2021	14.3 °C	1,392 mm	0	0
2020	29.3 °C16 July 2020	2.9 °C12 January 2020	14.9 °C	1,485 mm	0	0
2019	28.2 °C12 July 2019	1.6 °C5 January 2019	14.1 °C	1,687 mm	0	0
2018	30.6 °C4 August 2018	1.8 °C8 February 2018	14.3 °C	1,707 mm	2	0
2017	29.6 °C20 August 2017	0.9 °C19 January 2017	14.5 °C	1,108 mm	0	0
2016	32.2 °C7 August 2016	3.2 °C19 February 2016	14.4 °C	1,811 mm	2	0
2015	27.8 °C19 June 2015	2.3 °C8 February 2015	14.5 °C	1,279 mm	0	0
2014	27.9 °C14 June 2014	2.5 °C16 February 2014	14.6 °C	2,106 mm	0	0
2013	30.8 °C5 July 2013	1.6 °C25 February 2013	14.2 °C	2,052 mm	4	0
2012	27.9 °C17 July 2012	-0.2 °C4 February 2012	13.8 °C	1,284 mm	0	1
2011	28.5 °C25 June 2011	1.4 °C26 January 2011	14.7 °C	1,409 mm	0	0
2010	30.0 °C31 August 2010	0.3 °C9 January 2010	14.2 °C	1,790 mm	1	0
2009	27.3 °C9 September 2009	0.2 °C8 January 2009	14.2 °C	1,866 mm	0	0
2008	28.4 °C19 July 2008	1.5 °C26 December 2008	13.7 °C	1,458 mm	0	0
2007	28.5 °C29 July 2007	0.9 °C27 January 2007	13.9 °C	1,102 mm	0	0
2006	31.2 °C17 July 2006	0.6 °C24 February 2006	14.6 °C	1,957 mm	2	0
2005	31.1 °C14 August 2005	-1.5 °C1 March 2005	14.0 °C	1,119 mm	1	1
2004	28.5 °C25 July 2004	0.6 °C21 February 2004	14.1 °C	1,102 mm	0	0
2003	30.6 °C19 June 2003	1.1 °C13 January 2003	14.4 °C	1,666 mm	2	0
2002	26.7 °C13 August 2002	3.4 °C16 February 2002	14.3 °C	1,933 mm	0	0
2001	29.1 °C31 July 2001	0.2 °C24 December 2001	14.0 °C	2,018 mm	0	0
2000	29.5 °C17 June 2000	0.7 °C21 January 2000	13.9 °C	2,127 mm	0	0
1999	29.5 °C8 July 1999	1.3 °C12 January 1999	14.0 °C	1,663 mm	0	0
1998	29.0 °C24 August 1998	1.4 °C27 January 1998	14.4 °C	1,402 mm	0	0
1997	29.1 °C26 July 1997	0.9 °C5 January 1997	15.0 °C	2,027 mm	0	0
1996	29.7 °C14 June 1996	1.5 °C22 February 1996	14.0 °C	1,811 mm	0	0
1995	31.4 °C24 July 1995	1.9 °C15 December 1995	15.0 °C	1,913 mm	1	0
1994	28.2 °C22 June 1994	-0.2 °C5 February 1994	14.0 °C	1,800 mm	0	1
1993	30.0 °C23 July 1993	0.7 °C1 March 1993	13.8 °C	1,630 mm	1	0
1992	29.2 °C14 July 1992	1.2 °C20 January 1992	13.7 °C	1,225 mm	0	0
1991	31.5 °C17 August 1991	1.7 °C15 January 1991	14.0 °C	1,423 mm	3	0
1990	32.7 °C23 July 1990	2.1 °C9 December 1990	14.7 °C	1,250 mm	5	0
1989	32.5 °C1 August 1989	2.8 °C2 January 1989	14.9 °C	1,511 mm	3	0
1988	30.7 °C6 September 1988	1.5 °C23 November 1988	14.0 °C	1,411 mm	2	0
1987	29.7 °C2 August 1987	-0.6 °C14 January 1987	14.4 °C	1,777 mm	0	1
1986	28.7 °C17 July 1986	1.6 °C9 February 1986	13.4 °C	1,416 mm	0	0
1985	29.4 °C21 July 1985	-0.6 °C9 January 1985	13.9 °C	1,836 mm	0	3
1984	29.4 °C31 August 1984	1.8 °C26 February 1984	13.6 °C	2,024 mm	0	0
1983	29.5 °C6 September 1983	0.2 °C14 February 1983	13.9 °C	1,673 mm	0	0
1982	29.5 °C11 August 1982	2.8 °C30 November 1982	13.9 °C	1,350 mm	0	0
1981	31.7 °C15 June 1981	2.6 °C11 February 1981	14.1 °C	1,635 mm	3	0
1980	30.1 °C20 August 1980	0.9 °C15 January 1980	13.5 °C	1,379 mm	1	0
1979	29.1 °C15 July 1979	0.7 °C17 February 1979	13.6 °C	2,045 mm	0	0
1978	30.3 °C25 August 1978	-2.3 °C12 February 1978	12.7 °C	2,046 mm	1	4
1977	28.5 °C13 September 1977	2.2 °C6 January 1977	13.4 °C	2,154 mm	0	0
1976	29.3 °C22 July 1976	1.1 °C3 January 1976	13.6 °C	1,542 mm	0	0
1975	29.4 °C30 July 1975	1.7 °C31 December 1975	13.5 °C	1,341 mm	0	0
1974	28.7 °C10 July 1974	2.6 °C25 February 1974	13.1 °C	1,716 mm	0	0
1973	28.9 °C11 July 1973	1.8 °C17 February 1973	13.5 °C	1,459 mm	0	0
1972	28.7 °C19 August 1972	0.7 °C2 January 1972	12.9 °C	1,754 mm	0	0
1971	27.5 °C10 July 1971	-2.0 °C1 January 1971	13.2 °C	1,487 mm	0	2
1970	31.0 °C6 September 1970	-0.7 °C27 December 1970	13.3 °C	1,705 mm	1	3
1969	29.8 °C21 July 1969	1.3 °C16 February 1969	13.4 °C	2,166 mm	0	0
1968	29.0 °C30 June 1968	1.3 °C11 January 1968	13.9 °C	1,918 mm	0	0
1967	26.5 °C9 July 1967	0.5 °C11 January 1967	13.5 °C	1,296 mm	0	0
1966	29.7 °C7 September 1966	1.9 °C25 December 1966	13.8 °C	2,520 mm	0	0
1965	28.8 °C27 August 1965	-0.8 °C19 February 1965	13.3 °C	1,937 mm	0	2
1964	29.2 °C3 August 1964	-0.2 °C8 March 1964	13.4 °C	1,525 mm	0	2
1963	28.0 °C19 July 1963	-2.1 °C4 February 1963	13.2 °C	2,327 mm	0	4
1962	28.5 °C28 August 1962	-1.6 °C25 December 1962	13.6 °C	1,355 mm	0	3
1961	30.1 °C28 August 1961	0.3 °C15 January 1961	14.4 °C	1,893 mm	1	0
1960	28.8 °C25 July 1960	-0.7 °C15 January 1960	13.6 °C	2,879 mm	0	2
1959	29.2 °C8 July 1959	1.9 °C3 February 1959	14.0 °C	2,192 mm	0	0
1958	27.3 °C4 August 1958	1.6 °C21 January 1958	13.3 °C	2,022 mm	0	0
1957	27.8 °C29 July 1957	-1.7 °C17 January 1957	13.5 °C	1,389 mm	0	2
1956	27.9 °C12 September 1956	-2.3 °C12 February 1956	12.6 °C	1,587 mm	0	10
1955	27.7 °C22 August 1955	-0.3 °C8 March 1955	14.2 °C	2,079 mm	0	1
1954	28.7 °C20 July 1954	-2.0 °C5 February 1954	13.2 °C	1,467 mm	0	4
1953	29.4 °C10 August 1953	-0.1 °C22 January 1953	13.8 °C	892 mm	0	1
1952	27.9 °C10 July 1952	0.2 °C28 January 1952	13.7 °C	1,652 mm	0	0
1951	27.6 °C26 July 1951	1.2 °C30 January 1951	13.2 °C	1,930 mm	0	0
1950	28.1 °C14 August 1950	0.9 °C27 December 1950	13.8 °C	1,578 mm	0	0
1949	31.2 °C5 July 1949	0.9 °C1 February 1949	14.2 °C	1,052 mm	3	0
1948	27.8 °C25 June 1948	-2.4 °C22 February 1948	14.1 °C	1,647 mm	0	1
1947	28.7 °C9 June 1947	-1.6 °C26 January 1947	13.9 °C	1,803 mm	0	2
1946	30.8 °C11 July 1946	-1.7 °C17 January 1946	13.4 °C	1,635 mm	4	4
1945	30.0 °C23 July 1945	-0.3 °C13 January 1945	14.3 °C	1,269 mm	1	2
1944	30.1 °C13 August 1944	-1.6 °C24 February 1944	13.6 °C	975 mm	1	5
1943	31.3 °C15 August 1943	1.2 °C13 December 1943	14.0 °C	1,316 mm	2	0
1942	29.1 °C10 September 1942	-0.5 °C9 February 1942	13.5 °C	1,912 mm	0	3
1941	32.9 °C21 July 1941	-3.2 °C11 January 1941	13.5 °C	2,013 mm	1	8
1940	30.5 °C17 August 1940	-1.9 °C23 January 1940	13.5 °C	1,571 mm	1	7

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

18.3 °C

+1.3 °C

Hot days (≥ 30 °C)

1 d/yr

Frost days (< 0 °C)

0 d/yr

-1

Annual rainfall

1944 mm

+268 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	13.7 °C	+1.7 °C	366 mm	+151 mm
Feb	14.0 °C	+1.3 °C	123 mm	-59 mm
Mar	15.1 °C	+0.7 °C	164 mm	-13 mm
Apr	17.7 °C	+2.1 °C	240 mm	+98 mm
May	19.3 °C	+1.8 °C	86 mm	-38 mm
Jun	22.5 °C	+2.1 °C	61 mm	-3 mm
Jul	24.3 °C	+1.9 °C	15 mm	-12 mm
Aug	24.3 °C	+1.7 °C	19 mm	-17 mm
Sep	20.7 °C	-0.5 °C	83 mm	-3 mm
Oct	19.7 °C	+1.4 °C	146 mm	-41 mm
Nov	15.1 °C	+0.4 °C	363 mm	+150 mm
Dec	12.7 °C	+0.1 °C	279 mm	+56 mm

The year's extremes

Hottest day

31.3 °C

5 Aug 2025

Coldest day

2.0 °C

16 Jan 2025

Wettest day

60.4 mm

5 Nov 2025

Windiest day

57.0 km/h

20 Mar 2025

Strongest gust

104.4 km/h

20 Mar 2025

Hottest feels-like

34.3 °C

17 Jun 2025

Coldest feels-like

-1.2 °C

8 Feb 2025

Sunniest day

14.9 h

21 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 Baiona?

Baiona has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 13.9 °C and it receives 1,676 mm of precipitation per year.

What is the hottest day ever recorded in Baiona?

The hottest day measured in Baiona between 1940 and 2025 was 21 July 1941, reaching 32.9 °C.

What is the coldest day in Baiona?

The coldest day measured in Baiona between 1940 and 2025 was 11 January 1941, at -3.2 °C.

Does it snow in Baiona?

Almost never: Baiona sees virtually no snow, with about 1 frost days per year.

Has the climate of Baiona warmed?

Yes: Baiona warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Baiona?

The wettest day measured in Baiona between 1940 and 2025 was 3 October 2010, with 135 mm of rain in 24 hours.

What was the windiest day in Baiona?

The windiest day measured in Baiona between 1940 and 2025 was 15 February 1941, with winds reaching 78.3 km/h.

What is the warmest month in Baiona?

The warmest month in Baiona is August (19.1 °C on average); the coldest is January (9.2 °C).

How much does it rain in Baiona?

Baiona receives on average 1,676 mm of precipitation per year, spread over about 134 rainy days.

Is it sunny in Baiona?

Baiona gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.

What is the biggest single-day snowfall in Baiona?

The heaviest 24-hour snowfall measured in Baiona between 1940 and 2025 was 4 February 1994, with 3.6 cm.

Are there tropical nights in Baiona?

Yes: Baiona has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Baiona?

In Baiona, between 1940 and 2025, the highest apparent temperature reached 37.4 °C on 14 June 1981, and the lowest was -7.8 °C on 11 January 1941.

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