Káto Achaḯa climate — normals and trends

Q: What is the climate of Káto Achaḯa?

Káto Achaḯa has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 1,038 mm of precipitation per year.

Q: What is the hottest day ever recorded in Káto Achaḯa?

The hottest day measured in Káto Achaḯa between 1940 and 2025 was 15 August 2024, reaching 37.9 °C.

Q: What is the coldest day in Káto Achaḯa?

The coldest day measured in Káto Achaḯa between 1940 and 2025 was 14 January 1968, at -3.9 °C.

Q: Does it snow in Káto Achaḯa?

Yes. Káto Achaḯa gets on average 1.3 cm of snow per year and has around 0 frost days.

Q: Has the climate of Káto Achaḯa warmed?

Yes: Káto Achaḯa warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Káto Achaḯa?

The wettest day measured in Káto Achaḯa between 1940 and 2025 was 5 November 1961, with 132 mm of rain in 24 hours.

Q: What was the windiest day in Káto Achaḯa?

The windiest day measured in Káto Achaḯa between 1940 and 2025 was 14 February 1962, with winds reaching 52.3 km/h.

Q: What is the warmest month in Káto Achaḯa?

The warmest month in Káto Achaḯa is August (25.7 °C on average); the coldest is January (9.7 °C).

Q: How much does it rain in Káto Achaḯa?

Káto Achaḯa receives on average 1,038 mm of precipitation per year, spread over about 104 rainy days.

Q: Is it sunny in Káto Achaḯa?

Káto Achaḯa gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

Káto Achaḯa (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 1,038 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 (25.7 °C on average) and the coldest is January (9.7 °C). Rainfall peaks in December.

Káto Achaḯa averages 0 frost days, 22 hot days (≥ 30 °C) and 104 rainy days per year.

Káto Achaḯa has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.9 °C (on 15 August 2024) and the coldest -3.9 °C (on 14 January 1968).

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

Káto AchaḯaWest Greece

coords: 38.15°, 21.55°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

17.1°C

Average daily high

20.0°C

Average daily low

14.6°C

Annual rainfall

1,038mm

Sunshine / day

10.3h

Mean relative humidity

73%

Average peak wind

15.9km/h

Seasonal range

16.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

22 d/yr

Rainy days (≥ 1 mm)

104 d/yr

Annual snowfall

1.3 cm

Average feels-like high

20.2 °C

Average feels-like low

14.1 °C

Average peak gust

29.2 km/h

Tropical nights (≥ 20 °C)

90 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.29 · 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

37.9 °C

15 August 2024

Coldest day

-3.9 °C

14 January 1968

Wettest day

132 mm

5 November 1961

Windiest day

52.3 km/h

14 February 1962

Strongest gust

97.6 km/h

26 February 1973

Hottest feels-like

42.0 °C

26 July 2025

Coldest feels-like

-9.0 °C

14 January 1968

Snowiest day

6.5 cm

24 January 2006

Sunniest day

14.5 h

19 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.6 °C26 July 2025	4.9 °C22 February 2025	18.6 °C	850 mm	43	0
2024	37.9 °C15 August 2024	4.8 °C1 February 2024	19.2 °C	962 mm	72	0
2023	35.9 °C16 July 2023	2.7 °C8 February 2023	18.2 °C	971 mm	32	0
2022	33.6 °C29 July 2022	0.9 °C26 January 2022	18.0 °C	853 mm	47	0
2021	35.0 °C3 August 2021	2.1 °C16 February 2021	18.0 °C	1,308 mm	50	0
2020	34.2 °C19 May 2020	3.6 °C10 January 2020	17.9 °C	708 mm	52	0
2019	35.6 °C11 August 2019	0.7 °C8 January 2019	18.1 °C	1,089 mm	48	0
2018	32.3 °C8 June 2018	4.5 °C25 January 2018	18.3 °C	1,124 mm	28	0
2017	36.7 °C9 August 2017	-0.4 °C8 January 2017	17.6 °C	897 mm	41	1
2016	33.5 °C22 June 2016	2.4 °C31 December 2016	17.8 °C	1,243 mm	31	0
2015	35.8 °C1 August 2015	2.2 °C8 January 2015	17.7 °C	923 mm	36	0
2014	32.5 °C29 August 2014	4.2 °C30 December 2014	17.6 °C	978 mm	7	0
2013	33.2 °C20 June 2013	2.6 °C9 January 2013	17.9 °C	1,301 mm	38	0
2012	34.2 °C8 August 2012	1.8 °C18 January 2012	17.8 °C	1,115 mm	61	0
2011	33.4 °C9 July 2011	2.9 °C9 March 2011	17.3 °C	697 mm	37	0
2010	34.5 °C20 August 2010	3.4 °C12 December 2010	17.9 °C	1,145 mm	25	0
2009	32.2 °C18 June 2009	3.0 °C16 February 2009	17.7 °C	1,374 mm	30	0
2008	34.5 °C26 June 2008	-0.7 °C18 February 2008	17.7 °C	613 mm	46	1
2007	36.9 °C24 July 2007	3.4 °C16 December 2007	17.6 °C	891 mm	35	0
2006	35.4 °C20 August 2006	-0.3 °C25 January 2006	17.0 °C	818 mm	32	1
2005	32.4 °C29 July 2005	2.0 °C4 February 2005	16.8 °C	1,093 mm	13	0
2004	32.5 °C5 July 2004	-1.6 °C13 February 2004	17.3 °C	823 mm	17	2
2003	34.3 °C18 August 2003	3.1 °C24 February 2003	17.6 °C	1,068 mm	48	0
2002	35.1 °C11 August 2002	-1.2 °C5 January 2002	17.3 °C	940 mm	13	1
2001	35.1 °C10 August 2001	0.5 °C20 December 2001	17.4 °C	985 mm	25	0
2000	34.8 °C25 August 2000	2.1 °C27 January 2000	17.3 °C	667 mm	31	0
1999	33.6 °C10 August 1999	4.6 °C24 January 1999	17.7 °C	1,193 mm	11	0
1998	35.3 °C3 August 1998	3.5 °C10 December 1998	17.4 °C	860 mm	35	0
1997	34.7 °C29 June 1997	3.6 °C4 February 1997	16.6 °C	875 mm	6	0
1996	33.4 °C25 June 1996	1.6 °C7 March 1996	16.6 °C	1,057 mm	7	0
1995	31.7 °C26 July 1995	4.0 °C17 January 1995	16.8 °C	1,015 mm	14	0
1994	33.1 °C16 August 1994	3.3 °C31 January 1994	17.7 °C	807 mm	33	0
1993	33.8 °C28 August 1993	2.6 °C7 January 1993	16.8 °C	802 mm	18	0
1992	33.0 °C18 August 1992	1.9 °C3 February 1992	16.6 °C	634 mm	21	0
1991	31.7 °C29 September 1991	-0.2 °C3 February 1991	16.4 °C	742 mm	12	1
1990	33.7 °C1 August 1990	2.9 °C7 January 1990	17.3 °C	925 mm	8	0
1989	32.8 °C18 August 1989	2.2 °C4 January 1989	16.7 °C	689 mm	13	0
1988	36.6 °C8 July 1988	4.0 °C18 December 1988	17.2 °C	942 mm	36	0
1987	36.6 °C23 July 1987	0.6 °C7 March 1987	17.0 °C	1,023 mm	24	0
1986	32.2 °C16 July 1986	3.2 °C29 December 1986	17.1 °C	961 mm	11	0
1985	32.0 °C2 August 1985	2.7 °C24 February 1985	17.2 °C	997 mm	15	0
1984	32.0 °C4 August 1984	4.7 °C28 January 1984	16.7 °C	838 mm	4	0
1983	30.8 °C25 July 1983	1.0 °C6 February 1983	16.7 °C	779 mm	7	0
1982	32.9 °C27 June 1982	2.8 °C3 February 1982	17.0 °C	1,095 mm	17	0
1981	32.6 °C4 August 1981	1.1 °C10 January 1981	16.9 °C	1,230 mm	8	0
1980	31.2 °C6 August 1980	2.6 °C10 December 1980	16.4 °C	1,301 mm	6	0
1979	32.0 °C3 August 1979	0.9 °C4 January 1979	17.0 °C	1,170 mm	7	0
1978	34.4 °C14 July 1978	2.1 °C10 January 1978	16.4 °C	1,195 mm	4	0
1977	33.5 °C30 July 1977	3.7 °C8 January 1977	17.2 °C	774 mm	11	0
1976	29.4 °C3 July 1976	1.0 °C9 February 1976	16.3 °C	1,148 mm	0	0
1975	32.3 °C19 July 1975	2.6 °C10 February 1975	16.5 °C	927 mm	4	0
1974	34.6 °C15 July 1974	4.2 °C20 January 1974	16.6 °C	1,180 mm	18	0
1973	32.7 °C19 July 1973	1.6 °C1 March 1973	16.8 °C	1,328 mm	10	0
1972	32.3 °C16 September 1972	4.0 °C15 January 1972	16.5 °C	1,137 mm	14	0
1971	31.5 °C18 August 1971	2.2 °C13 March 1971	16.7 °C	1,308 mm	12	0
1970	32.2 °C14 July 1970	4.5 °C18 February 1970	17.1 °C	1,110 mm	13	0
1969	33.0 °C2 September 1969	2.5 °C12 February 1969	17.2 °C	1,289 mm	13	0
1968	35.8 °C11 July 1968	-3.9 °C14 January 1968	17.2 °C	1,161 mm	11	1
1967	34.1 °C6 August 1967	0.3 °C22 December 1967	17.0 °C	989 mm	21	0
1966	30.6 °C4 August 1966	-0.2 °C9 January 1966	17.0 °C	1,524 mm	3	1
1965	32.3 °C5 July 1965	0.6 °C8 February 1965	16.6 °C	1,358 mm	11	0
1964	32.3 °C26 August 1964	0.1 °C18 January 1964	16.7 °C	1,233 mm	12	0
1963	33.3 °C28 June 1963	-0.5 °C26 January 1963	17.4 °C	1,453 mm	34	2
1962	33.5 °C7 August 1962	3.0 °C8 February 1962	17.3 °C	1,368 mm	25	0
1961	34.9 °C11 August 1961	1.6 °C20 January 1961	17.1 °C	943 mm	10	0
1960	31.6 °C20 July 1960	2.3 °C3 February 1960	17.2 °C	1,231 mm	6	0
1959	29.9 °C28 July 1959	2.4 °C29 January 1959	16.3 °C	1,002 mm	0	0
1958	34.6 °C24 August 1958	3.2 °C27 January 1958	17.1 °C	1,105 mm	18	0
1957	35.8 °C14 August 1957	2.6 °C2 December 1957	16.8 °C	908 mm	16	0
1956	33.8 °C8 August 1956	-1.0 °C9 February 1956	16.4 °C	1,455 mm	23	1
1955	30.7 °C20 June 1955	3.1 °C5 March 1955	17.3 °C	1,187 mm	2	0
1954	31.8 °C15 August 1954	2.4 °C26 January 1954	16.6 °C	1,201 mm	8	0
1953	33.0 °C17 July 1953	4.1 °C12 March 1953	16.8 °C	1,005 mm	29	0
1952	35.9 °C18 June 1952	3.8 °C9 January 1952	18.0 °C	1,246 mm	40	0
1951	33.2 °C10 August 1951	4.0 °C13 December 1951	17.5 °C	832 mm	19	0
1950	33.1 °C22 July 1950	0.9 °C13 January 1950	17.8 °C	1,099 mm	39	0
1949	32.9 °C5 August 1949	1.3 °C5 February 1949	16.7 °C	867 mm	10	0
1948	33.7 °C29 August 1948	3.0 °C16 December 1948	16.8 °C	556 mm	13	0
1947	33.7 °C1 August 1947	1.9 °C24 January 1947	18.1 °C	1,121 mm	30	0
1946	35.1 °C15 August 1946	2.0 °C16 February 1946	17.6 °C	1,008 mm	46	0
1945	34.0 °C20 August 1945	0.2 °C23 February 1945	17.0 °C	1,089 mm	35	0
1944	31.4 °C16 August 1944	2.7 °C18 January 1944	16.6 °C	1,140 mm	14	0
1943	34.8 °C24 August 1943	1.4 °C28 January 1943	17.2 °C	880 mm	30	0
1942	33.2 °C1 August 1942	-2.2 °C2 January 1942	16.8 °C	894 mm	13	3
1941	32.3 °C4 August 1941	-1.0 °C30 December 1941	16.4 °C	1,253 mm	25	1
1940	32.5 °C29 July 1940	-0.9 °C22 February 1940	16.6 °C	1,414 mm	12	1

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

21.5 °C

+1.5 °C

Hot days (≥ 30 °C)

43 d/yr

+21

Frost days (< 0 °C)

0 d/yr

Annual rainfall

850 mm

-188 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	14.7 °C	+2.7 °C	83 mm	-79 mm
Feb	12.8 °C	+0.2 °C	74 mm	-54 mm
Mar	17.3 °C	+2.8 °C	64 mm	-32 mm
Apr	18.5 °C	+0.9 °C	34 mm	-34 mm
May	22.8 °C	+1.0 °C	28 mm	-9 mm
Jun	29.4 °C	+3.6 °C	2 mm	-14 mm
Jul	30.4 °C	+1.9 °C	1 mm	-5 mm
Aug	29.9 °C	+0.9 °C	9 mm	-0 mm
Sep	27.4 °C	+1.5 °C	47 mm	+1 mm
Oct	20.3 °C	-1.3 °C	176 mm	+70 mm
Nov	18.8 °C	+1.6 °C	235 mm	+55 mm
Dec	15.3 °C	+1.8 °C	96 mm	-86 mm

The year's extremes

Hottest day

36.6 °C

26 Jul 2025

Coldest day

4.9 °C

22 Feb 2025

Wettest day

56.6 mm

10 Nov 2025

Windiest day

34.9 km/h

14 Jan 2025

Strongest gust

60.1 km/h

14 Jan 2025

Hottest feels-like

42.0 °C

26 Jul 2025

Coldest feels-like

0.3 °C

22 Feb 2025

Sunniest day

14.5 h

19 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 Káto Achaḯa?

Káto Achaḯa has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 1,038 mm of precipitation per year.

What is the hottest day ever recorded in Káto Achaḯa?

The hottest day measured in Káto Achaḯa between 1940 and 2025 was 15 August 2024, reaching 37.9 °C.

What is the coldest day in Káto Achaḯa?

The coldest day measured in Káto Achaḯa between 1940 and 2025 was 14 January 1968, at -3.9 °C.

Does it snow in Káto Achaḯa?

Yes. Káto Achaḯa gets on average 1.3 cm of snow per year and has around 0 frost days.

Has the climate of Káto Achaḯa warmed?

Yes: Káto Achaḯa warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Káto Achaḯa?

The wettest day measured in Káto Achaḯa between 1940 and 2025 was 5 November 1961, with 132 mm of rain in 24 hours.

What was the windiest day in Káto Achaḯa?

The windiest day measured in Káto Achaḯa between 1940 and 2025 was 14 February 1962, with winds reaching 52.3 km/h.

What is the warmest month in Káto Achaḯa?

The warmest month in Káto Achaḯa is August (25.7 °C on average); the coldest is January (9.7 °C).

How much does it rain in Káto Achaḯa?

Káto Achaḯa receives on average 1,038 mm of precipitation per year, spread over about 104 rainy days.

Is it sunny in Káto Achaḯa?

Káto Achaḯa gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.

What is the biggest single-day snowfall in Káto Achaḯa?

The heaviest 24-hour snowfall measured in Káto Achaḯa between 1940 and 2025 was 24 January 2006, with 6.5 cm.

Are there tropical nights in Káto Achaḯa?

Yes: Káto Achaḯa has on average 90 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Káto Achaḯa?

In Káto Achaḯa, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 26 July 2025, and the lowest was -9.0 °C on 14 January 1968.

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