Csorna climate — normals and trends
Csorna (Hungary) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 605 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 (21.7 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in June.
Csorna averages 72 frost days, 19 hot days (≥ 30 °C) and 105 rainy days per year.
Csorna 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 89 to 55 per year over the period.
The hottest day of the period reached 39.0 °C (on 18 July 2007) and the coldest -27.2 °C (on 24 January 1942).
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
CsornaGyőr-Moson-Sopron
- coords
- 47.61°, 17.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.0°C
Average daily high
15.2°C
Average daily low
7.1°C
Annual rainfall
605mm
Sunshine / day
8.4h
Mean relative humidity
72%
Average peak wind
17.8km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
72 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
42.7 cm
Average feels-like high
13.0 °C
Average feels-like low
4.4 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
39.0 °C
18 July 2007
Coldest day
-27.2 °C
24 January 1942
Wettest day
82 mm
25 August 1965
Windiest day
49.0 km/h
10 February 1984
Strongest gust
95.4 km/h
10 February 1984
Hottest feels-like
40.9 °C
20 July 2007
Coldest feels-like
-32.5 °C
24 January 1942
Snowiest day
15.7 cm
30 November 1980
Sunniest day
15.4 h
22 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 | 6.4 °C | +4.2 °C | 24 mm | -11 mm |
| Feb | 5.5 °C | +0.5 °C | 17 mm | -20 mm |
| Mar | 14.0 °C | +3.7 °C | 69 mm | +27 mm |
| Apr | 18.6 °C | +2.6 °C | 34 mm | -15 mm |
| May | 19.8 °C | -1.0 °C | 37 mm | -26 mm |
| Jun | 29.2 °C | +4.7 °C | 20 mm | -45 mm |
| Jul | 27.8 °C | +1.1 °C | 56 mm | -3 mm |
| Aug | 28.3 °C | +1.9 °C | 90 mm | +30 mm |
| Sep | 23.2 °C | +1.3 °C | 49 mm | -3 mm |
| Oct | 15.4 °C | -0.4 °C | 63 mm | +16 mm |
| Nov | 9.0 °C | +0.3 °C | 73 mm | +18 mm |
| Dec | 4.9 °C | +1.1 °C | 32 mm | -12 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 Csorna?
Csorna has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 605 mm of precipitation per year.
What is the hottest day ever recorded in Csorna?
The hottest day measured in Csorna between 1940 and 2025 was 18 July 2007, reaching 39.0 °C.
What is the coldest day in Csorna?
The coldest day measured in Csorna between 1940 and 2025 was 24 January 1942, at -27.2 °C.
Does it snow in Csorna?
Yes. Csorna gets on average 42.7 cm of snow per year and has around 72 frost days.
Has the climate of Csorna warmed?
Yes: Csorna warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Csorna?
The wettest day measured in Csorna between 1940 and 2025 was 25 August 1965, with 82 mm of rain in 24 hours.
What was the windiest day in Csorna?
The windiest day measured in Csorna between 1940 and 2025 was 10 February 1984, with winds reaching 49.0 km/h.
What is the warmest month in Csorna?
The warmest month in Csorna is July (21.7 °C on average); the coldest is January (-0.5 °C).
How much does it rain in Csorna?
Csorna receives on average 605 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Csorna?
Csorna gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Csorna?
The heaviest 24-hour snowfall measured in Csorna between 1940 and 2025 was 30 November 1980, with 15.7 cm.
Are there tropical nights in Csorna?
Yes: Csorna has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Csorna?
In Csorna, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 20 July 2007, and the lowest was -32.5 °C on 24 January 1942.
Compare Csorna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Csorna