Agrinio climate — normals and trends
Agrinio (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 1,186 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 (25.4 °C on average) and the coldest is January (8.5 °C). Rainfall peaks in December.
Agrinio averages 1 frost days, 33 hot days (≥ 30 °C) and 109 rainy days per year.
Agrinio 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 37.8 °C (on 24 July 2007) and the coldest -7.3 °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
AgrinioWest Greece
- coords
- 38.62°, 21.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
19.9°C
Average daily low
13.4°C
Annual rainfall
1,186mm
Sunshine / day
10.3h
Mean relative humidity
74%
Average peak wind
12.8km/h
Seasonal range
16.9°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
33 d/yr
Rainy days (≥ 1 mm)
109 d/yr
Annual snowfall
3.6 cm
Average feels-like high
20.0 °C
Average feels-like low
12.9 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
66 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
37.8 °C
24 July 2007
Coldest day
-7.3 °C
14 January 1968
Wettest day
132 mm
5 November 1961
Windiest day
42.5 km/h
31 December 1979
Strongest gust
103.3 km/h
26 March 1998
Hottest feels-like
42.7 °C
7 July 1988
Coldest feels-like
-12.2 °C
14 January 1968
Snowiest day
23.6 cm
5 January 1946
Sunniest day
14.7 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 | 13.9 °C | +2.7 °C | 91 mm | -84 mm |
| Feb | 12.1 °C | +0.1 °C | 66 mm | -79 mm |
| Mar | 17.0 °C | +2.9 °C | 64 mm | -46 mm |
| Apr | 18.6 °C | +1.1 °C | 37 mm | -46 mm |
| May | 22.8 °C | +0.9 °C | 42 mm | -9 mm |
| Jun | 30.0 °C | +3.8 °C | 7 mm | -17 mm |
| Jul | 31.9 °C | +2.6 °C | 2 mm | -8 mm |
| Aug | 31.0 °C | +1.3 °C | 8 mm | -4 mm |
| Sep | 28.2 °C | +2.1 °C | 40 mm | -11 mm |
| Oct | 19.8 °C | -1.5 °C | 198 mm | +78 mm |
| Nov | 17.9 °C | +1.4 °C | 261 mm | +59 mm |
| Dec | 14.6 °C | +2.0 °C | 94 mm | -110 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 Agrinio?
Agrinio has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 1,186 mm of precipitation per year.
What is the hottest day ever recorded in Agrinio?
The hottest day measured in Agrinio between 1940 and 2025 was 24 July 2007, reaching 37.8 °C.
What is the coldest day in Agrinio?
The coldest day measured in Agrinio between 1940 and 2025 was 14 January 1968, at -7.3 °C.
Does it snow in Agrinio?
Yes. Agrinio gets on average 3.6 cm of snow per year and has around 1 frost days.
Has the climate of Agrinio warmed?
Yes: Agrinio warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Agrinio?
The wettest day measured in Agrinio between 1940 and 2025 was 5 November 1961, with 132 mm of rain in 24 hours.
What was the windiest day in Agrinio?
The windiest day measured in Agrinio between 1940 and 2025 was 31 December 1979, with winds reaching 42.5 km/h.
What is the warmest month in Agrinio?
The warmest month in Agrinio is August (25.4 °C on average); the coldest is January (8.5 °C).
How much does it rain in Agrinio?
Agrinio receives on average 1,186 mm of precipitation per year, spread over about 109 rainy days.
Is it sunny in Agrinio?
Agrinio gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Agrinio?
The heaviest 24-hour snowfall measured in Agrinio between 1940 and 2025 was 5 January 1946, with 23.6 cm.
Are there tropical nights in Agrinio?
Yes: Agrinio has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Agrinio?
In Agrinio, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 7 July 1988, and the lowest was -12.2 °C on 14 January 1968.
Compare Agrinio with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Agrinio