Grevená climate — normals and trends
Grevená (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 12.1 °C and it receives 680 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 (23.0 °C on average) and the coldest is January (1.6 °C). Rainfall peaks in December.
Grevená averages 65 frost days, 38 hot days (≥ 30 °C) and 101 rainy days per year.
Grevená has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 78 to 53 per year over the period.
The hottest day of the period reached 40.0 °C (on 24 July 2007) and the coldest -23.9 °C (on 14 January 1950).
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
GrevenáWest Macedonia
- coords
- 40.08°, 21.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.1°C
Average daily high
17.6°C
Average daily low
7.2°C
Annual rainfall
680mm
Sunshine / day
9.7h
Mean relative humidity
67%
Average peak wind
10.4km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
65 d/yr
Hot days (≥ 30 °C)
38 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
94.5 cm
Average feels-like high
16.2 °C
Average feels-like low
5.1 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
40.0 °C
24 July 2007
Coldest day
-23.9 °C
14 January 1950
Wettest day
85 mm
28 October 2012
Windiest day
32.0 km/h
8 February 2022
Strongest gust
90.0 km/h
24 March 2008
Hottest feels-like
41.3 °C
24 July 2007
Coldest feels-like
-28.9 °C
14 January 1950
Snowiest day
46.6 cm
2 December 1983
Sunniest day
14.8 h
26 June 2025
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 | 10.1 °C | +4.4 °C | 72 mm | -9 mm |
| Feb | 7.6 °C | -0.2 °C | 49 mm | -19 mm |
| Mar | 15.5 °C | +4.1 °C | 71 mm | +4 mm |
| Apr | 16.5 °C | +0.2 °C | 76 mm | +18 mm |
| May | 21.0 °C | -0.5 °C | 80 mm | +28 mm |
| Jun | 29.7 °C | +3.2 °C | 9 mm | -24 mm |
| Jul | 33.1 °C | +3.7 °C | 23 mm | -1 mm |
| Aug | 29.8 °C | +0.3 °C | 23 mm | +4 mm |
| Sep | 26.8 °C | +1.9 °C | 24 mm | -14 mm |
| Oct | 17.1 °C | -1.4 °C | 94 mm | +27 mm |
| Nov | 14.2 °C | +1.8 °C | 130 mm | +45 mm |
| Dec | 9.9 °C | +2.6 °C | 96 mm | +7 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 Grevená?
Grevená has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 12.1 °C and it receives 680 mm of precipitation per year.
What is the hottest day ever recorded in Grevená?
The hottest day measured in Grevená between 1940 and 2025 was 24 July 2007, reaching 40.0 °C.
What is the coldest day in Grevená?
The coldest day measured in Grevená between 1940 and 2025 was 14 January 1950, at -23.9 °C.
Does it snow in Grevená?
Yes. Grevená gets on average 94.5 cm of snow per year and has around 65 frost days.
Has the climate of Grevená warmed?
Yes: Grevená warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grevená?
The wettest day measured in Grevená between 1940 and 2025 was 28 October 2012, with 85 mm of rain in 24 hours.
What was the windiest day in Grevená?
The windiest day measured in Grevená between 1940 and 2025 was 8 February 2022, with winds reaching 32.0 km/h.
What is the warmest month in Grevená?
The warmest month in Grevená is July (23.0 °C on average); the coldest is January (1.6 °C).
How much does it rain in Grevená?
Grevená receives on average 680 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Grevená?
Grevená 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 Grevená?
The heaviest 24-hour snowfall measured in Grevená between 1940 and 2025 was 2 December 1983, with 46.6 cm.
Are there tropical nights in Grevená?
Yes: Grevená has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Grevená?
In Grevená, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 24 July 2007, and the lowest was -28.9 °C on 14 January 1950.
Compare Grevená with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grevená