Keratea climate — normals and trends

Q: What is the climate of Keratea?

Keratea has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 296 mm of precipitation per year.

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

The hottest day measured in Keratea between 1940 and 2025 was 26 June 2007, reaching 43.2 °C.

Q: What is the coldest day in Keratea?

The coldest day measured in Keratea between 1940 and 2025 was 25 January 1942, at -4.2 °C.

Q: Does it snow in Keratea?

Yes. Keratea gets on average 1.1 cm of snow per year and has around 0 frost days.

Q: Has the climate of Keratea warmed?

Yes: Keratea warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Keratea?

The wettest day measured in Keratea between 1940 and 2025 was 26 March 1998, with 96 mm of rain in 24 hours.

Q: What was the windiest day in Keratea?

The windiest day measured in Keratea between 1940 and 2025 was 22 February 1940, with winds reaching 59.8 km/h.

Q: What is the warmest month in Keratea?

The warmest month in Keratea is July (27.7 °C on average); the coldest is January (10.5 °C).

Q: How much does it rain in Keratea?

Keratea receives on average 296 mm of precipitation per year, spread over about 47 rainy days.

Q: Is it sunny in Keratea?

Keratea gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Keratea (Greece) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 296 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 July (27.7 °C on average) and the coldest is January (10.5 °C). Rainfall peaks in December.

Keratea averages 0 frost days, 78 hot days (≥ 30 °C) and 47 rainy days per year.

Keratea has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 43.2 °C (on 26 June 2007) and the coldest -4.2 °C (on 25 January 1942).

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

KerateaAttica

coords: 37.81°, 23.98°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

18.6°C

Average daily high

22.4°C

Average daily low

15.0°C

Annual rainfall

296mm

Sunshine / day

10.6h

Mean relative humidity

62%

Average peak wind

21.0km/h

Seasonal range

17.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

78 d/yr

Rainy days (≥ 1 mm)

47 d/yr

Annual snowfall

1.1 cm

Average feels-like high

21.2 °C

Average feels-like low

13.4 °C

Average peak gust

40.9 km/h

Tropical nights (≥ 20 °C)

96 d/yr

Solar radiation

17.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.45 · 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

43.2 °C

26 June 2007

Coldest day

-4.2 °C

25 January 1942

Wettest day

96 mm

26 March 1998

Windiest day

59.8 km/h

22 February 1940

Strongest gust

106.9 km/h

22 February 1940

Hottest feels-like

44.4 °C

7 July 1988

Coldest feels-like

-9.0 °C

14 January 1968

Snowiest day

11.8 cm

28 January 1981

Sunniest day

14.6 h

28 June 2020

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	38.2 °C25 July 2025	4.4 °C23 February 2025	20.3 °C	279 mm	90	0
2024	38.0 °C13 June 2024	4.5 °C14 January 2024	20.9 °C	198 mm	98	0
2023	39.3 °C23 July 2023	2.5 °C12 February 2023	20.0 °C	214 mm	78	0
2022	36.1 °C18 August 2022	1.2 °C23 January 2022	19.3 °C	274 mm	88	0
2021	39.9 °C3 August 2021	0.8 °C20 January 2021	19.5 °C	208 mm	86	0
2020	36.9 °C1 August 2020	2.7 °C9 February 2020	19.4 °C	328 mm	94	0
2019	35.4 °C10 August 2019	-0.2 °C8 January 2019	19.5 °C	404 mm	84	1
2018	36.0 °C23 July 2018	3.5 °C8 December 2018	19.8 °C	263 mm	91	0
2017	39.3 °C30 June 2017	-2.3 °C10 January 2017	19.1 °C	240 mm	77	3
2016	36.8 °C21 June 2016	-0.1 °C26 January 2016	19.5 °C	185 mm	81	1
2015	36.3 °C6 September 2015	1.8 °C8 January 2015	18.9 °C	308 mm	81	0
2014	38.3 °C26 June 2014	5.1 °C28 December 2014	19.4 °C	329 mm	90	0
2013	35.9 °C30 July 2013	0.6 °C10 January 2013	19.6 °C	282 mm	98	0
2012	38.9 °C8 August 2012	-0.3 °C18 January 2012	19.6 °C	259 mm	109	1
2011	35.2 °C19 July 2011	1.8 °C10 March 2011	18.6 °C	394 mm	94	0
2010	37.6 °C15 August 2010	2.5 °C4 February 2010	20.1 °C	262 mm	92	0
2009	36.6 °C9 July 2009	2.7 °C17 February 2009	19.5 °C	304 mm	85	0
2008	36.1 °C9 July 2008	-0.9 °C19 February 2008	19.4 °C	232 mm	94	2
2007	43.2 °C26 June 2007	1.7 °C6 February 2007	19.5 °C	164 mm	89	0
2006	38.2 °C21 August 2006	0.7 °C29 January 2006	18.5 °C	299 mm	81	0
2005	36.3 °C3 August 2005	0.9 °C12 February 2005	18.6 °C	335 mm	76	0
2004	36.9 °C12 July 2004	-2.7 °C24 January 2004	18.7 °C	297 mm	78	4
2003	36.7 °C5 July 2003	1.5 °C9 February 2003	18.7 °C	542 mm	96	0
2002	36.9 °C4 August 2002	0.9 °C6 January 2002	18.7 °C	420 mm	65	0
2001	36.6 °C11 August 2001	-3.8 °C20 December 2001	19.2 °C	337 mm	94	1
2000	39.9 °C6 July 2000	-0.3 °C21 January 2000	18.7 °C	138 mm	80	1
1999	38.1 °C21 August 1999	3.0 °C20 February 1999	19.5 °C	254 mm	90	0
1998	41.1 °C3 July 1998	1.9 °C10 December 1998	18.7 °C	421 mm	87	0
1997	36.4 °C19 June 1997	1.8 °C4 February 1997	18.0 °C	328 mm	68	0
1996	37.4 °C9 July 1996	3.3 °C3 February 1996	18.3 °C	308 mm	71	0
1995	36.8 °C26 June 1995	4.0 °C25 March 1995	18.7 °C	228 mm	80	0
1994	36.9 °C13 August 1994	3.3 °C19 December 1994	19.2 °C	344 mm	110	0
1993	37.2 °C27 August 1993	1.3 °C14 February 1993	18.4 °C	226 mm	82	0
1992	34.9 °C8 July 1992	0.8 °C1 February 1992	18.0 °C	167 mm	65	0
1991	35.0 °C11 August 1991	-0.2 °C3 February 1991	17.9 °C	323 mm	70	1
1990	35.0 °C5 July 1990	1.0 °C10 January 1990	18.8 °C	141 mm	86	0
1989	35.5 °C14 July 1989	0.9 °C5 January 1989	18.2 °C	187 mm	67	0
1988	40.2 °C7 July 1988	1.5 °C23 February 1988	18.5 °C	327 mm	87	0
1987	40.2 °C27 July 1987	0.2 °C7 March 1987	18.2 °C	260 mm	82	0
1986	35.3 °C21 August 1986	1.0 °C19 January 1986	18.7 °C	219 mm	80	0
1985	38.4 °C1 August 1985	1.3 °C21 February 1985	18.5 °C	321 mm	75	0
1984	35.9 °C17 July 1984	4.5 °C18 January 1984	18.3 °C	261 mm	64	0
1983	35.7 °C21 July 1983	-1.6 °C20 February 1983	17.8 °C	253 mm	46	2
1982	41.2 °C25 June 1982	1.8 °C7 February 1982	18.2 °C	311 mm	72	0
1981	36.6 °C1 July 1981	1.0 °C29 January 1981	18.7 °C	253 mm	68	0
1980	39.8 °C11 July 1980	2.1 °C2 March 1980	18.1 °C	336 mm	66	0
1979	35.4 °C5 August 1979	-2.0 °C4 January 1979	18.5 °C	269 mm	64	1
1978	35.4 °C7 July 1978	3.5 °C11 January 1978	18.2 °C	426 mm	58	0
1977	38.4 °C10 July 1977	1.1 °C8 January 1977	18.6 °C	207 mm	82	0
1976	32.4 °C6 July 1976	-0.2 °C10 February 1976	17.5 °C	393 mm	43	1
1975	34.7 °C18 July 1975	-0.6 °C10 February 1975	18.2 °C	346 mm	67	1
1974	36.5 °C17 July 1974	1.9 °C17 January 1974	18.1 °C	398 mm	59	0
1973	41.7 °C20 July 1973	-1.7 °C15 January 1973	18.3 °C	343 mm	79	1
1972	35.9 °C18 June 1972	2.4 °C4 February 1972	18.1 °C	356 mm	72	0
1971	36.0 °C28 August 1971	0.0 °C14 March 1971	18.0 °C	356 mm	60	0
1970	35.3 °C8 August 1970	1.9 °C3 March 1970	18.6 °C	252 mm	87	0
1969	36.0 °C31 May 1969	-0.5 °C29 January 1969	18.5 °C	237 mm	70	1
1968	36.9 °C10 July 1968	-2.3 °C15 January 1968	18.6 °C	473 mm	77	3
1967	36.2 °C12 August 1967	-0.3 °C18 January 1967	18.4 °C	386 mm	66	1
1966	36.2 °C27 August 1966	1.4 °C9 January 1966	19.0 °C	322 mm	70	0
1965	38.1 °C6 July 1965	1.0 °C8 February 1965	18.1 °C	280 mm	74	0
1964	36.5 °C16 August 1964	-0.1 °C18 January 1964	18.0 °C	215 mm	68	1
1963	37.3 °C17 August 1963	-0.4 °C27 January 1963	18.8 °C	255 mm	86	1
1962	35.9 °C6 August 1962	3.0 °C17 February 1962	18.6 °C	401 mm	82	0
1961	35.3 °C14 August 1961	0.3 °C21 January 1961	18.3 °C	261 mm	63	0
1960	35.8 °C7 August 1960	-0.1 °C4 February 1960	18.7 °C	286 mm	73	1
1959	34.4 °C25 July 1959	1.8 °C25 February 1959	17.7 °C	250 mm	61	0
1958	39.2 °C25 August 1958	3.0 °C10 January 1958	18.7 °C	179 mm	72	0
1957	38.3 °C14 August 1957	2.4 °C4 December 1957	18.3 °C	319 mm	79	0
1956	39.7 °C22 July 1956	1.3 °C30 January 1956	17.9 °C	202 mm	76	0
1955	35.3 °C27 July 1955	3.0 °C6 March 1955	18.8 °C	277 mm	62	0
1954	36.8 °C29 July 1954	1.6 °C27 January 1954	18.1 °C	346 mm	88	0
1953	35.2 °C12 July 1953	2.9 °C10 February 1953	18.0 °C	326 mm	80	0
1952	39.4 °C22 August 1952	2.7 °C10 January 1952	19.4 °C	367 mm	97	0
1951	39.2 °C11 August 1951	2.7 °C14 December 1951	19.1 °C	307 mm	86	0
1950	35.6 °C7 July 1950	-0.9 °C15 January 1950	18.9 °C	210 mm	98	1
1949	35.4 °C18 July 1949	0.9 °C8 February 1949	17.5 °C	255 mm	53	0
1948	36.2 °C13 August 1948	1.8 °C28 November 1948	17.8 °C	254 mm	68	0
1947	37.0 °C10 July 1947	0.2 °C23 January 1947	19.1 °C	347 mm	83	0
1946	37.0 °C21 July 1946	1.0 °C17 February 1946	18.6 °C	439 mm	100	0
1945	39.3 °C21 August 1945	-0.3 °C24 January 1945	18.0 °C	283 mm	85	1
1944	35.1 °C23 July 1944	2.7 °C15 January 1944	17.5 °C	304 mm	63	0
1943	37.7 °C23 July 1943	0.3 °C29 January 1943	17.7 °C	240 mm	79	0
1942	36.0 °C20 June 1942	-4.2 °C25 January 1942	17.9 °C	433 mm	80	4
1941	40.5 °C5 August 1941	-2.2 °C28 December 1941	17.8 °C	258 mm	77	3
1940	39.4 °C17 July 1940	0.7 °C4 March 1940	17.8 °C	375 mm	57	0

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

23.0 °C

+0.6 °C

Hot days (≥ 30 °C)

90 d/yr

+12

Frost days (< 0 °C)

0 d/yr

Annual rainfall

279 mm

-17 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.0 °C	+2.7 °C	33 mm	-15 mm
Feb	12.5 °C	-1.6 °C	30 mm	-8 mm
Mar	18.6 °C	+2.4 °C	13 mm	-24 mm
Apr	19.6 °C	-0.7 °C	51 mm	+30 mm
May	24.5 °C	-0.6 °C	11 mm	-3 mm
Jun	31.0 °C	+1.3 °C	1 mm	-4 mm
Jul	33.3 °C	+1.1 °C	0 mm	-2 mm
Aug	31.4 °C	-0.7 °C	2 mm	-1 mm
Sep	28.5 °C	0.0 °C	3 mm	-4 mm
Oct	22.6 °C	-0.8 °C	40 mm	+11 mm
Nov	21.1 °C	+2.2 °C	32 mm	-7 mm
Dec	16.6 °C	+1.7 °C	63 mm	+11 mm

The year's extremes

Hottest day

38.2 °C

25 Jul 2025

Coldest day

4.4 °C

23 Feb 2025

Wettest day

31.9 mm

5 Dec 2025

Windiest day

41.2 km/h

28 Apr 2025

Strongest gust

77.4 km/h

29 Apr 2025

Hottest feels-like

41.9 °C

24 Jul 2025

Coldest feels-like

-1.0 °C

22 Feb 2025

Sunniest day

14.5 h

23 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 Keratea?

Keratea has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 296 mm of precipitation per year.

What is the hottest day ever recorded in Keratea?

The hottest day measured in Keratea between 1940 and 2025 was 26 June 2007, reaching 43.2 °C.

What is the coldest day in Keratea?

The coldest day measured in Keratea between 1940 and 2025 was 25 January 1942, at -4.2 °C.

Does it snow in Keratea?

Yes. Keratea gets on average 1.1 cm of snow per year and has around 0 frost days.

Has the climate of Keratea warmed?

Yes: Keratea warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Keratea?

The wettest day measured in Keratea between 1940 and 2025 was 26 March 1998, with 96 mm of rain in 24 hours.

What was the windiest day in Keratea?

The windiest day measured in Keratea between 1940 and 2025 was 22 February 1940, with winds reaching 59.8 km/h.

What is the warmest month in Keratea?

The warmest month in Keratea is July (27.7 °C on average); the coldest is January (10.5 °C).

How much does it rain in Keratea?

Keratea receives on average 296 mm of precipitation per year, spread over about 47 rainy days.

Is it sunny in Keratea?

Keratea gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

What is the biggest single-day snowfall in Keratea?

The heaviest 24-hour snowfall measured in Keratea between 1940 and 2025 was 28 January 1981, with 11.8 cm.

Are there tropical nights in Keratea?

Yes: Keratea has on average 96 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Keratea?

In Keratea, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 7 July 1988, and the lowest was -9.0 °C on 14 January 1968.

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