Aitoliko climate — normals and trends
Aitoliko (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 1,232 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 (25.3 °C on average) and the coldest is January (9.2 °C). Rainfall peaks in November.
Aitoliko averages 0 frost days, 20 hot days (≥ 30 °C) and 110 rainy days per year.
Aitoliko has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.4 °C (on 26 July 2025) and the coldest -5.5 °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
AitolikoWest Greece
- coords
- 38.44°, 21.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
19.6°C
Average daily low
14.2°C
Annual rainfall
1,232mm
Sunshine / day
10.4h
Mean relative humidity
73%
Average peak wind
16.2km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
2.8 cm
Average feels-like high
19.7 °C
Average feels-like low
13.4 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
78 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
37.4 °C
26 July 2025
Coldest day
-5.5 °C
14 January 1968
Wettest day
118 mm
5 November 1961
Windiest day
50.6 km/h
28 February 1990
Strongest gust
110.9 km/h
26 March 1998
Hottest feels-like
41.7 °C
26 July 2025
Coldest feels-like
-11.0 °C
14 January 1968
Snowiest day
19.2 cm
5 January 1946
Sunniest day
14.6 h
18 June 2012
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 14.2 °C | +2.7 °C | 129 mm | -50 mm |
| Feb | 12.3 °C | +0.1 °C | 110 mm | -37 mm |
| Mar | 16.7 °C | +2.6 °C | 71 mm | -37 mm |
| Apr | 18.3 °C | +1.1 °C | 31 mm | -45 mm |
| May | 22.1 °C | +0.8 °C | 39 mm | -6 mm |
| Jun | 28.8 °C | +3.4 °C | 5 mm | -15 mm |
| Jul | 30.8 °C | +2.5 °C | 2 mm | -7 mm |
| Aug | 30.2 °C | +1.3 °C | 8 mm | -4 mm |
| Sep | 27.6 °C | +2.0 °C | 45 mm | -13 mm |
| Oct | 19.9 °C | -1.3 °C | 219 mm | +83 mm |
| Nov | 18.1 °C | +1.4 °C | 361 mm | +138 mm |
| Dec | 14.8 °C | +1.8 °C | 104 mm | -112 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 Aitoliko?
Aitoliko has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 1,232 mm of precipitation per year.
What is the hottest day ever recorded in Aitoliko?
The hottest day measured in Aitoliko between 1940 and 2025 was 26 July 2025, reaching 37.4 °C.
What is the coldest day in Aitoliko?
The coldest day measured in Aitoliko between 1940 and 2025 was 14 January 1968, at -5.5 °C.
Does it snow in Aitoliko?
Yes. Aitoliko gets on average 2.8 cm of snow per year and has around 0 frost days.
Has the climate of Aitoliko warmed?
Yes: Aitoliko warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aitoliko?
The wettest day measured in Aitoliko between 1940 and 2025 was 5 November 1961, with 118 mm of rain in 24 hours.
What was the windiest day in Aitoliko?
The windiest day measured in Aitoliko between 1940 and 2025 was 28 February 1990, with winds reaching 50.6 km/h.
What is the warmest month in Aitoliko?
The warmest month in Aitoliko is August (25.3 °C on average); the coldest is January (9.2 °C).
How much does it rain in Aitoliko?
Aitoliko receives on average 1,232 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Aitoliko?
Aitoliko gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Aitoliko?
The heaviest 24-hour snowfall measured in Aitoliko between 1940 and 2025 was 5 January 1946, with 19.2 cm.
Are there tropical nights in Aitoliko?
Yes: Aitoliko has on average 78 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aitoliko?
In Aitoliko, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 26 July 2025, and the lowest was -11.0 °C on 14 January 1968.
Compare Aitoliko with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Aitoliko