Kozani climate — normals and trends
Kozani (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 12.2 °C and it receives 604 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 (23.2 °C on average) and the coldest is January (1.3 °C). Rainfall peaks in December.
Kozani averages 67 frost days, 39 hot days (≥ 30 °C) and 98 rainy days per year.
Kozani has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 81 to 53 per year over the period.
The hottest day of the period reached 39.7 °C (on 24 July 2007) and the coldest -23.8 °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
KozaniWest Macedonia
- coords
- 40.30°, 21.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.2°C
Average daily high
17.6°C
Average daily low
7.4°C
Annual rainfall
604mm
Sunshine / day
9.6h
Mean relative humidity
68%
Average peak wind
9.3km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
67 d/yr
Hot days (≥ 30 °C)
39 d/yr
Rainy days (≥ 1 mm)
98 d/yr
Annual snowfall
75.2 cm
Average feels-like high
16.2 °C
Average feels-like low
5.7 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
39.7 °C
24 July 2007
Coldest day
-23.8 °C
14 January 1950
Wettest day
119 mm
3 September 1964
Windiest day
27.6 km/h
8 February 2022
Strongest gust
107.3 km/h
24 March 2008
Hottest feels-like
41.6 °C
24 July 2007
Coldest feels-like
-28.3 °C
14 January 1950
Snowiest day
46.6 cm
2 December 1983
Sunniest day
14.9 h
13 June 1940
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 | 9.7 °C | +4.3 °C | 50 mm | -11 mm |
| Feb | 7.5 °C | -0.2 °C | 41 mm | -12 mm |
| Mar | 15.4 °C | +3.9 °C | 69 mm | +10 mm |
| Apr | 16.5 °C | 0.0 °C | 87 mm | +31 mm |
| May | 21.0 °C | -0.6 °C | 108 mm | +51 mm |
| Jun | 29.6 °C | +3.1 °C | 12 mm | -25 mm |
| Jul | 32.6 °C | +3.1 °C | 9 mm | -16 mm |
| Aug | 29.5 °C | 0.0 °C | 25 mm | +4 mm |
| Sep | 26.2 °C | +1.3 °C | 26 mm | -10 mm |
| Oct | 16.8 °C | -1.7 °C | 87 mm | +28 mm |
| Nov | 14.1 °C | +2.0 °C | 90 mm | +22 mm |
| Dec | 9.7 °C | +2.7 °C | 105 mm | +33 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 Kozani?
Kozani has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 12.2 °C and it receives 604 mm of precipitation per year.
What is the hottest day ever recorded in Kozani?
The hottest day measured in Kozani between 1940 and 2025 was 24 July 2007, reaching 39.7 °C.
What is the coldest day in Kozani?
The coldest day measured in Kozani between 1940 and 2025 was 14 January 1950, at -23.8 °C.
Does it snow in Kozani?
Yes. Kozani gets on average 75.2 cm of snow per year and has around 67 frost days.
Has the climate of Kozani warmed?
Yes: Kozani warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kozani?
The wettest day measured in Kozani between 1940 and 2025 was 3 September 1964, with 119 mm of rain in 24 hours.
What was the windiest day in Kozani?
The windiest day measured in Kozani between 1940 and 2025 was 8 February 2022, with winds reaching 27.6 km/h.
What is the warmest month in Kozani?
The warmest month in Kozani is July (23.2 °C on average); the coldest is January (1.3 °C).
How much does it rain in Kozani?
Kozani receives on average 604 mm of precipitation per year, spread over about 98 rainy days.
Is it sunny in Kozani?
Kozani gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kozani?
The heaviest 24-hour snowfall measured in Kozani between 1940 and 2025 was 2 December 1983, with 46.6 cm.
Are there tropical nights in Kozani?
Yes: Kozani has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kozani?
In Kozani, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 24 July 2007, and the lowest was -28.3 °C on 14 January 1950.
Compare Kozani with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kozani