Agios Konstantinos climate — normals and trends
Agios Konstantinos (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 1,214 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 (24.1 °C on average) and the coldest is January (5.4 °C). Rainfall peaks in November.
Agios Konstantinos averages 21 frost days, 46 hot days (≥ 30 °C) and 117 rainy days per year.
Agios Konstantinos 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 40.6 °C (on 7 July 1988) and the coldest -14.8 °C (on 2 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
Agios KonstantinosWest Greece
- coords
- 38.63°, 21.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
19.5°C
Average daily low
10.0°C
Annual rainfall
1,214mm
Sunshine / day
10.0h
Mean relative humidity
74%
Average peak wind
10.1km/h
Seasonal range
18.7°C
Frost days (< 0 °C)
21 d/yr
Hot days (≥ 30 °C)
46 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
28.2 cm
Average feels-like high
19.1 °C
Average feels-like low
8.9 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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
40.6 °C
7 July 1988
Coldest day
-14.8 °C
2 January 1942
Wettest day
116 mm
1 November 1976
Windiest day
32.3 km/h
31 December 1979
Strongest gust
116.3 km/h
31 December 1979
Hottest feels-like
44.4 °C
7 July 1988
Coldest feels-like
-19.1 °C
2 January 1942
Snowiest day
41.4 cm
5 January 1946
Sunniest day
14.7 h
15 June 1941
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 | 12.4 °C | +3.0 °C | 96 mm | -67 mm |
| Feb | 10.6 °C | -0.1 °C | 65 mm | -78 mm |
| Mar | 16.7 °C | +3.2 °C | 75 mm | -42 mm |
| Apr | 18.6 °C | +1.1 °C | 47 mm | -48 mm |
| May | 22.9 °C | +0.6 °C | 61 mm | -6 mm |
| Jun | 31.1 °C | +4.3 °C | 10 mm | -23 mm |
| Jul | 33.8 °C | +3.6 °C | 3 mm | -12 mm |
| Aug | 31.9 °C | +1.4 °C | 13 mm | -2 mm |
| Sep | 28.6 °C | +2.4 °C | 44 mm | -13 mm |
| Oct | 18.6 °C | -1.9 °C | 197 mm | +72 mm |
| Nov | 16.3 °C | +1.2 °C | 254 mm | +61 mm |
| Dec | 13.0 °C | +2.2 °C | 102 mm | -90 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 Agios Konstantinos?
Agios Konstantinos has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 1,214 mm of precipitation per year.
What is the hottest day ever recorded in Agios Konstantinos?
The hottest day measured in Agios Konstantinos between 1940 and 2025 was 7 July 1988, reaching 40.6 °C.
What is the coldest day in Agios Konstantinos?
The coldest day measured in Agios Konstantinos between 1940 and 2025 was 2 January 1942, at -14.8 °C.
Does it snow in Agios Konstantinos?
Yes. Agios Konstantinos gets on average 28.2 cm of snow per year and has around 21 frost days.
Has the climate of Agios Konstantinos warmed?
Yes: Agios Konstantinos warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Agios Konstantinos?
The wettest day measured in Agios Konstantinos between 1940 and 2025 was 1 November 1976, with 116 mm of rain in 24 hours.
What was the windiest day in Agios Konstantinos?
The windiest day measured in Agios Konstantinos between 1940 and 2025 was 31 December 1979, with winds reaching 32.3 km/h.
What is the warmest month in Agios Konstantinos?
The warmest month in Agios Konstantinos is July (24.1 °C on average); the coldest is January (5.4 °C).
How much does it rain in Agios Konstantinos?
Agios Konstantinos receives on average 1,214 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Agios Konstantinos?
Agios Konstantinos gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Agios Konstantinos?
The heaviest 24-hour snowfall measured in Agios Konstantinos between 1940 and 2025 was 5 January 1946, with 41.4 cm.
Are there tropical nights in Agios Konstantinos?
Yes: Agios Konstantinos has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Agios Konstantinos?
In Agios Konstantinos, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 7 July 1988, and the lowest was -19.1 °C on 2 January 1942.
Compare Agios Konstantinos with another city
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Nearby cities
The climate around Agios Konstantinos