Kastoria climate — normals and trends
Kastoria (Greece) has a warm-summer mediterranean continental climate (Dsb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 623 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 (20.9 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in December.
Kastoria averages 93 frost days, 18 hot days (≥ 30 °C) and 100 rainy days per year.
Kastoria has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 108 to 78 per year over the period.
The hottest day of the period reached 37.5 °C (on 24 July 2007) and the coldest -28.6 °C (on 30 December 1941).
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
KastoriaWest Macedonia
- coords
- 40.52°, 21.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
15.8°C
Average daily low
5.3°C
Annual rainfall
623mm
Sunshine / day
9.5h
Mean relative humidity
71%
Average peak wind
10.5km/h
Seasonal range
21.3°C
Frost days (< 0 °C)
93 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
100 d/yr
Annual snowfall
104.8 cm
Average feels-like high
14.2 °C
Average feels-like low
3.1 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
37.5 °C
24 July 2007
Coldest day
-28.6 °C
30 December 1941
Wettest day
72 mm
3 September 1964
Windiest day
27.7 km/h
8 February 2022
Strongest gust
94.0 km/h
24 March 2008
Hottest feels-like
38.4 °C
24 July 2007
Coldest feels-like
-33.8 °C
30 December 1941
Snowiest day
35.8 cm
2 December 1983
Sunniest day
14.9 h
16 June 1952
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 | 8.5 °C | +4.6 °C | 63 mm | -4 mm |
| Feb | 6.9 °C | +0.7 °C | 27 mm | -32 mm |
| Mar | 14.2 °C | +4.4 °C | 75 mm | +13 mm |
| Apr | 15.4 °C | +0.6 °C | 75 mm | +17 mm |
| May | 19.2 °C | -0.5 °C | 107 mm | +51 mm |
| Jun | 28.2 °C | +4.0 °C | 10 mm | -24 mm |
| Jul | 31.1 °C | +3.9 °C | 10 mm | -12 mm |
| Aug | 28.9 °C | +1.4 °C | 21 mm | +3 mm |
| Sep | 25.6 °C | +2.5 °C | 19 mm | -16 mm |
| Oct | 15.7 °C | -1.2 °C | 122 mm | +61 mm |
| Nov | 12.9 °C | +2.2 °C | 112 mm | +36 mm |
| Dec | 8.7 °C | +3.2 °C | 75 mm | -1 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 Kastoria?
Kastoria has a warm-summer mediterranean continental climate (Köppen Dsb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 623 mm of precipitation per year.
What is the hottest day ever recorded in Kastoria?
The hottest day measured in Kastoria between 1940 and 2025 was 24 July 2007, reaching 37.5 °C.
What is the coldest day in Kastoria?
The coldest day measured in Kastoria between 1940 and 2025 was 30 December 1941, at -28.6 °C.
Does it snow in Kastoria?
Yes. Kastoria gets on average 104.8 cm of snow per year and has around 93 frost days.
Has the climate of Kastoria warmed?
Yes: Kastoria warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kastoria?
The wettest day measured in Kastoria between 1940 and 2025 was 3 September 1964, with 72 mm of rain in 24 hours.
What was the windiest day in Kastoria?
The windiest day measured in Kastoria between 1940 and 2025 was 8 February 2022, with winds reaching 27.7 km/h.
What is the warmest month in Kastoria?
The warmest month in Kastoria is July (20.9 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Kastoria?
Kastoria receives on average 623 mm of precipitation per year, spread over about 100 rainy days.
Is it sunny in Kastoria?
Kastoria gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kastoria?
The heaviest 24-hour snowfall measured in Kastoria between 1940 and 2025 was 2 December 1983, with 35.8 cm.
Are there tropical nights in Kastoria?
Yes: Kastoria has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kastoria?
In Kastoria, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 24 July 2007, and the lowest was -33.8 °C on 30 December 1941.
Compare Kastoria with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kastoria