Polykastro climate — normals and trends

Q: What is the climate of Polykastro?

Polykastro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 796 mm of precipitation per year.

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

The hottest day measured in Polykastro between 1940 and 2025 was 24 July 2007, reaching 43.3 °C.

Q: What is the coldest day in Polykastro?

The coldest day measured in Polykastro between 1940 and 2025 was 30 December 1941, at -19.5 °C.

Q: Does it snow in Polykastro?

Yes. Polykastro gets on average 52.7 cm of snow per year and has around 53 frost days.

Q: Has the climate of Polykastro warmed?

Yes: Polykastro warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Polykastro?

The wettest day measured in Polykastro between 1940 and 2025 was 17 October 1976, with 85 mm of rain in 24 hours.

Q: What was the windiest day in Polykastro?

The windiest day measured in Polykastro between 1940 and 2025 was 2 April 1944, with winds reaching 35.0 km/h.

Q: What is the warmest month in Polykastro?

The warmest month in Polykastro is July (24.7 °C on average); the coldest is January (2.2 °C).

Q: How much does it rain in Polykastro?

Polykastro receives on average 796 mm of precipitation per year, spread over about 117 rainy days.

Q: Is it sunny in Polykastro?

Polykastro gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

Polykastro (Greece) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.5 °C and it receives 796 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 (24.7 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in November.

Polykastro averages 53 frost days, 52 hot days (≥ 30 °C) and 117 rainy days per year.

Polykastro 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 67 to 39 per year over the period.

The hottest day of the period reached 43.3 °C (on 24 July 2007) and the coldest -19.5 °C (on 30 December 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

PolykastroCentral Macedonia

coords: 40.99°, 22.57°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthNovemberDriest monthAugust

Mean daily temperature

13.5°C

Average daily high

18.7°C

Average daily low

8.8°C

Annual rainfall

796mm

Sunshine / day

9.7h

Mean relative humidity

68%

Average peak wind

9.7km/h

Seasonal range

22.5°C

Frost days (< 0 °C)

53 d/yr

Hot days (≥ 30 °C)

52 d/yr

Rainy days (≥ 1 mm)

117 d/yr

Annual snowfall

52.7 cm

Average feels-like high

18.0 °C

Average feels-like low

7.3 °C

Average peak gust

28.5 km/h

Tropical nights (≥ 20 °C)

19 d/yr

Solar radiation

15.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.51 · 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

43.3 °C

24 July 2007

Coldest day

-19.5 °C

30 December 1941

Wettest day

85 mm

17 October 1976

Windiest day

35.0 km/h

2 April 1944

Strongest gust

94.7 km/h

19 November 1979

Hottest feels-like

45.6 °C

24 July 2007

Coldest feels-like

-24.6 °C

30 December 1941

Snowiest day

23.8 cm

16 December 1988

Sunniest day

15.0 h

20 June 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.0 °C25 July 2025	-6.1 °C20 February 2025	14.9 °C	923 mm	86	26
2024	38.7 °C18 July 2024	-6.6 °C14 January 2024	15.6 °C	853 mm	87	24
2023	39.8 °C14 July 2023	-7.6 °C11 February 2023	15.2 °C	810 mm	72	29
2022	38.3 °C19 August 2022	-7.3 °C11 March 2022	14.6 °C	862 mm	69	40
2021	41.1 °C2 August 2021	-10.0 °C19 January 2021	14.4 °C	808 mm	77	37
2020	38.8 °C31 July 2020	-7.0 °C9 January 2020	14.7 °C	745 mm	73	35
2019	37.6 °C3 July 2019	-12.0 °C8 January 2019	15.2 °C	827 mm	90	34
2018	34.8 °C22 July 2018	-6.5 °C25 January 2018	15.1 °C	783 mm	71	36
2017	38.6 °C30 June 2017	-12.8 °C8 January 2017	14.5 °C	807 mm	75	47
2016	36.3 °C24 July 2016	-11.5 °C24 January 2016	14.7 °C	734 mm	69	40
2015	38.0 °C21 July 2015	-9.2 °C2 January 2015	14.7 °C	841 mm	71	42
2014	35.7 °C12 August 2014	-5.0 °C28 December 2014	14.7 °C	1,229 mm	47	21
2013	38.2 °C30 July 2013	-8.0 °C9 January 2013	14.9 °C	851 mm	68	42
2012	39.9 °C7 August 2012	-9.6 °C17 January 2012	14.7 °C	752 mm	95	63
2011	36.6 °C10 July 2011	-8.2 °C27 January 2011	13.7 °C	550 mm	75	63
2010	37.0 °C14 August 2010	-9.2 °C17 December 2010	14.6 °C	914 mm	65	40
2009	38.2 °C25 July 2009	-10.7 °C1 January 2009	14.4 °C	1,137 mm	57	39
2008	37.5 °C5 August 2008	-9.7 °C31 December 2008	14.7 °C	641 mm	84	38
2007	43.3 °C24 July 2007	-7.6 °C22 December 2007	14.6 °C	769 mm	69	40
2006	37.9 °C19 August 2006	-15.5 °C27 January 2006	13.5 °C	848 mm	61	63
2005	37.6 °C2 August 2005	-11.6 °C9 February 2005	13.5 °C	747 mm	39	56
2004	36.4 °C23 July 2004	-9.1 °C7 January 2004	13.6 °C	812 mm	49	61
2003	38.1 °C31 August 2003	-8.4 °C8 April 2003	13.8 °C	754 mm	73	60
2002	37.8 °C23 June 2002	-8.8 °C21 December 2002	14.1 °C	1,041 mm	47	35
2001	37.3 °C10 August 2001	-12.3 °C26 December 2001	14.0 °C	588 mm	60	50
2000	41.6 °C5 July 2000	-10.5 °C26 January 2000	14.0 °C	434 mm	69	62
1999	39.1 °C10 August 1999	-8.3 °C25 December 1999	14.2 °C	732 mm	57	59
1998	39.1 °C5 August 1998	-10.9 °C28 December 1998	13.9 °C	744 mm	60	48
1997	38.2 °C6 July 1997	-9.6 °C4 February 1997	13.2 °C	602 mm	52	54
1996	35.9 °C4 July 1996	-7.3 °C19 January 1996	13.1 °C	839 mm	47	42
1995	34.5 °C24 July 1995	-8.8 °C10 November 1995	13.4 °C	853 mm	40	43
1994	38.5 °C12 August 1994	-7.4 °C19 December 1994	14.7 °C	718 mm	86	39
1993	38.8 °C26 August 1993	-12.4 °C7 January 1993	13.7 °C	488 mm	66	69
1992	34.6 °C22 August 1992	-7.5 °C3 February 1992	13.3 °C	584 mm	51	75
1991	34.7 °C13 August 1991	-15.0 °C3 February 1991	12.6 °C	710 mm	33	61
1990	35.4 °C2 July 1990	-12.3 °C8 January 1990	13.9 °C	607 mm	51	51
1989	34.2 °C20 August 1989	-10.5 °C4 January 1989	13.4 °C	548 mm	45	69
1988	40.1 °C7 July 1988	-9.0 °C20 December 1988	13.4 °C	579 mm	66	69
1987	39.9 °C26 July 1987	-10.7 °C10 January 1987	13.4 °C	911 mm	59	55
1986	35.7 °C20 August 1986	-13.2 °C27 December 1986	13.2 °C	724 mm	45	60
1985	37.5 °C31 July 1985	-11.8 °C22 February 1985	13.5 °C	696 mm	51	52
1984	35.3 °C16 July 1984	-5.3 °C6 December 1984	13.1 °C	667 mm	27	39
1983	36.0 °C29 July 1983	-9.9 °C6 February 1983	12.8 °C	837 mm	17	64
1982	37.9 °C25 June 1982	-7.7 °C9 January 1982	13.0 °C	849 mm	35	60
1981	37.2 °C30 June 1981	-8.8 °C18 February 1981	12.9 °C	844 mm	33	62
1980	37.3 °C11 July 1980	-9.5 °C14 January 1980	13.0 °C	851 mm	44	52
1979	37.1 °C14 July 1979	-13.1 °C9 January 1979	13.4 °C	940 mm	26	37
1978	35.8 °C6 July 1978	-7.5 °C11 January 1978	12.9 °C	781 mm	34	44
1977	37.6 °C10 July 1977	-7.4 °C7 January 1977	13.9 °C	640 mm	44	41
1976	32.9 °C6 July 1976	-13.2 °C10 February 1976	12.5 °C	1,152 mm	4	56
1975	35.5 °C18 July 1975	-8.9 °C10 February 1975	13.3 °C	738 mm	42	68
1974	37.4 °C16 July 1974	-9.3 °C16 January 1974	13.1 °C	878 mm	34	40
1973	40.3 °C19 July 1973	-10.4 °C15 January 1973	12.8 °C	804 mm	35	68
1972	35.2 °C17 June 1972	-8.2 °C4 February 1972	13.1 °C	1,262 mm	35	44
1971	35.3 °C8 August 1971	-8.3 °C4 March 1971	13.1 °C	897 mm	34	43
1970	35.4 °C7 August 1970	-6.9 °C22 February 1970	13.5 °C	743 mm	49	49
1969	34.8 °C31 May 1969	-13.3 °C13 January 1969	13.6 °C	892 mm	38	42
1968	39.4 °C10 July 1968	-12.9 °C15 January 1968	13.8 °C	961 mm	41	53
1967	36.7 °C5 August 1967	-13.9 °C20 January 1967	13.2 °C	796 mm	38	63
1966	35.0 °C5 August 1966	-10.5 °C9 January 1966	13.7 °C	1,010 mm	38	46
1965	35.9 °C27 July 1965	-10.3 °C13 February 1965	12.5 °C	533 mm	29	69
1964	32.2 °C4 June 1964	-9.3 °C9 February 1964	12.8 °C	843 mm	19	53
1963	37.5 °C16 August 1963	-14.3 °C27 January 1963	13.0 °C	942 mm	35	52
1962	37.0 °C28 July 1962	-8.7 °C8 February 1962	13.4 °C	900 mm	69	63
1961	34.9 °C12 August 1961	-11.7 °C21 January 1961	13.7 °C	610 mm	44	46
1960	36.6 °C26 August 1960	-9.0 °C4 February 1960	13.6 °C	889 mm	41	35
1959	33.9 °C16 July 1959	-7.1 °C19 January 1959	12.8 °C	846 mm	26	49
1958	40.4 °C24 August 1958	-7.8 °C9 December 1958	13.9 °C	613 mm	62	46
1957	38.9 °C13 August 1957	-11.4 °C21 January 1957	13.5 °C	863 mm	46	50
1956	37.1 °C8 August 1956	-15.0 °C9 February 1956	12.5 °C	846 mm	54	74
1955	36.4 °C22 July 1955	-11.1 °C6 March 1955	13.4 °C	1,023 mm	22	28
1954	36.6 °C11 August 1954	-17.2 °C27 January 1954	12.8 °C	1,020 mm	64	70
1953	35.0 °C28 July 1953	-13.2 °C26 December 1953	13.0 °C	844 mm	54	72
1952	41.1 °C22 August 1952	-10.2 °C17 March 1952	14.5 °C	701 mm	82	41
1951	39.3 °C10 August 1951	-7.4 °C23 January 1951	14.2 °C	851 mm	66	31
1950	36.4 °C4 August 1950	-18.2 °C14 January 1950	14.3 °C	711 mm	82	50
1949	34.9 °C18 July 1949	-9.6 °C5 March 1949	12.9 °C	762 mm	29	58
1948	35.1 °C6 August 1948	-8.8 °C26 February 1948	13.0 °C	552 mm	34	72
1947	35.3 °C31 July 1947	-10.9 °C24 January 1947	13.7 °C	773 mm	58	57
1946	36.9 °C14 August 1946	-10.6 °C8 January 1946	13.6 °C	614 mm	74	71
1945	37.1 °C20 August 1945	-13.2 °C24 January 1945	12.5 °C	779 mm	52	94
1944	33.8 °C23 July 1944	-10.4 °C9 January 1944	12.2 °C	908 mm	13	80
1943	37.3 °C22 July 1943	-13.1 °C28 January 1943	13.1 °C	565 mm	56	75
1942	33.6 °C12 July 1942	-19.1 °C25 January 1942	12.3 °C	747 mm	30	78
1941	34.8 °C5 August 1941	-19.5 °C30 December 1941	11.8 °C	947 mm	22	86
1940	35.0 °C16 July 1940	-17.8 °C4 January 1940	11.7 °C	838 mm	27	89

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

20.3 °C

+1.6 °C

Hot days (≥ 30 °C)

86 d/yr

+34

Frost days (< 0 °C)

26 d/yr

-27

Annual rainfall

923 mm

+127 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.3 °C	+2.9 °C	49 mm	-17 mm
Feb	8.1 °C	-0.9 °C	33 mm	-30 mm
Mar	15.9 °C	+3.2 °C	93 mm	+20 mm
Apr	18.3 °C	+0.5 °C	83 mm	+13 mm
May	22.3 °C	-0.8 °C	138 mm	+60 mm
Jun	32.0 °C	+4.1 °C	6 mm	-59 mm
Jul	34.1 °C	+3.4 °C	18 mm	-25 mm
Aug	31.3 °C	+0.7 °C	54 mm	+14 mm
Sep	27.7 °C	+1.8 °C	19 mm	-28 mm
Oct	17.8 °C	-1.6 °C	99 mm	+22 mm
Nov	15.3 °C	+2.2 °C	196 mm	+107 mm
Dec	10.9 °C	+3.0 °C	137 mm	+52 mm

The year's extremes

Hottest day

40.0 °C

25 Jul 2025

Coldest day

-6.1 °C

20 Feb 2025

Wettest day

44.7 mm

16 May 2025

Windiest day

24.1 km/h

11 Oct 2025

Strongest gust

69.5 km/h

28 Dec 2025

Hottest feels-like

43.5 °C

25 Jul 2025

Coldest feels-like

-10.2 °C

20 Feb 2025

Snowiest day

9.5 cm

12 Jan 2025

Sunniest day

15.0 h

18 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 Polykastro?

Polykastro has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 796 mm of precipitation per year.

What is the hottest day ever recorded in Polykastro?

The hottest day measured in Polykastro between 1940 and 2025 was 24 July 2007, reaching 43.3 °C.

What is the coldest day in Polykastro?

The coldest day measured in Polykastro between 1940 and 2025 was 30 December 1941, at -19.5 °C.

Does it snow in Polykastro?

Yes. Polykastro gets on average 52.7 cm of snow per year and has around 53 frost days.

Has the climate of Polykastro warmed?

Yes: Polykastro warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Polykastro?

The wettest day measured in Polykastro between 1940 and 2025 was 17 October 1976, with 85 mm of rain in 24 hours.

What was the windiest day in Polykastro?

The windiest day measured in Polykastro between 1940 and 2025 was 2 April 1944, with winds reaching 35.0 km/h.

What is the warmest month in Polykastro?

The warmest month in Polykastro is July (24.7 °C on average); the coldest is January (2.2 °C).

How much does it rain in Polykastro?

Polykastro receives on average 796 mm of precipitation per year, spread over about 117 rainy days.

Is it sunny in Polykastro?

Polykastro gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.

What is the biggest single-day snowfall in Polykastro?

The heaviest 24-hour snowfall measured in Polykastro between 1940 and 2025 was 16 December 1988, with 23.8 cm.

Are there tropical nights in Polykastro?

Yes: Polykastro has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Polykastro?

In Polykastro, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 24 July 2007, and the lowest was -24.6 °C on 30 December 1941.

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