Polygyros climate — normals and trends
Polygyros (Greece) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 640 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 (26.1 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in December.
Polygyros averages 26 frost days, 60 hot days (≥ 30 °C) and 96 rainy days per year.
Polygyros has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 32 to 20 per year over the period.
The hottest day of the period reached 42.7 °C (on 24 August 1958) and the coldest -18.1 °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
PolygyrosCentral Macedonia
- coords
- 40.38°, 23.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
20.0°C
Average daily low
11.1°C
Annual rainfall
640mm
Sunshine / day
9.8h
Mean relative humidity
71%
Average peak wind
10.5km/h
Seasonal range
21.3°C
Frost days (< 0 °C)
26 d/yr
Hot days (≥ 30 °C)
60 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
24.6 cm
Average feels-like high
19.6 °C
Average feels-like low
10.2 °C
Average peak gust
28.1 km/h
Tropical nights (≥ 20 °C)
54 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.46 · p = < 0.001
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
42.7 °C
24 August 1958
Coldest day
-18.1 °C
25 January 1942
Wettest day
76 mm
5 September 1957
Windiest day
39.7 km/h
2 December 1983
Strongest gust
104.0 km/h
2 December 1983
Hottest feels-like
46.0 °C
7 July 1988
Coldest feels-like
-22.7 °C
25 January 1942
Snowiest day
27.1 cm
16 December 1988
Sunniest day
14.9 h
24 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.6 °C | +3.0 °C | 50 mm | -8 mm |
| Feb | 9.3 °C | -1.4 °C | 35 mm | -18 mm |
| Mar | 16.8 °C | +3.1 °C | 85 mm | +21 mm |
| Apr | 19.0 °C | +0.3 °C | 89 mm | +36 mm |
| May | 24.2 °C | +0.2 °C | 82 mm | +26 mm |
| Jun | 32.0 °C | +3.3 °C | 34 mm | -15 mm |
| Jul | 34.7 °C | +3.4 °C | 21 mm | -17 mm |
| Aug | 32.1 °C | +0.8 °C | 15 mm | -14 mm |
| Sep | 28.8 °C | +2.1 °C | 10 mm | -32 mm |
| Oct | 19.4 °C | -1.3 °C | 124 mm | +64 mm |
| Nov | 17.5 °C | +2.5 °C | 99 mm | +36 mm |
| Dec | 12.3 °C | +2.0 °C | 151 mm | +75 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Polygyros?
Polygyros has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 640 mm of precipitation per year.
What is the hottest day ever recorded in Polygyros?
The hottest day measured in Polygyros between 1940 and 2025 was 24 August 1958, reaching 42.7 °C.
What is the coldest day in Polygyros?
The coldest day measured in Polygyros between 1940 and 2025 was 25 January 1942, at -18.1 °C.
Does it snow in Polygyros?
Yes. Polygyros gets on average 24.6 cm of snow per year and has around 26 frost days.
Has the climate of Polygyros warmed?
Yes: Polygyros warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Polygyros?
The wettest day measured in Polygyros between 1940 and 2025 was 5 September 1957, with 76 mm of rain in 24 hours.
What was the windiest day in Polygyros?
The windiest day measured in Polygyros between 1940 and 2025 was 2 December 1983, with winds reaching 39.7 km/h.
What is the warmest month in Polygyros?
The warmest month in Polygyros is July (26.1 °C on average); the coldest is January (4.8 °C).
How much does it rain in Polygyros?
Polygyros receives on average 640 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Polygyros?
Polygyros gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Polygyros?
The heaviest 24-hour snowfall measured in Polygyros between 1940 and 2025 was 16 December 1988, with 27.1 cm.
Are there tropical nights in Polygyros?
Yes: Polygyros has on average 54 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Polygyros?
In Polygyros, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 7 July 1988, and the lowest was -22.7 °C on 25 January 1942.
Compare Polygyros with another city
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Nearby cities
The climate around Polygyros