Keszthely climate — normals and trends
Keszthely (Hungary) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.1 °C and it receives 663 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 (21.6 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in June.
Keszthely averages 70 frost days, 16 hot days (≥ 30 °C) and 108 rainy days per year.
Keszthely has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 85 to 55 per year over the period.
The hottest day of the period reached 38.5 °C (on 8 August 2013) and the coldest -26.1 °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
KeszthelyZala County
- coords
- 46.77°, 17.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.1°C
Average daily high
15.0°C
Average daily low
7.5°C
Annual rainfall
663mm
Sunshine / day
8.5h
Mean relative humidity
74%
Average peak wind
15.8km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
70 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
46.2 cm
Average feels-like high
13.2 °C
Average feels-like low
5.0 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
12.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.29 · 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
38.5 °C
8 August 2013
Coldest day
-26.1 °C
24 January 1942
Wettest day
60 mm
10 July 1999
Windiest day
50.4 km/h
10 February 1984
Strongest gust
102.6 km/h
10 February 1984
Hottest feels-like
40.0 °C
6 July 1957
Coldest feels-like
-31.4 °C
24 January 1942
Snowiest day
22.9 cm
13 November 1993
Sunniest day
15.3 h
20 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 | 30 mm | -9 mm |
| Feb | 5.1 °C | +0.1 °C | 27 mm | -14 mm |
| Mar | 13.6 °C | +3.4 °C | 79 mm | +34 mm |
| Apr | 17.9 °C | +2.0 °C | 31 mm | -22 mm |
| May | 19.3 °C | -1.4 °C | 58 mm | -8 mm |
| Jun | 28.3 °C | +4.0 °C | 24 mm | -46 mm |
| Jul | 27.0 °C | +0.6 °C | 112 mm | +45 mm |
| Aug | 27.5 °C | +1.4 °C | 78 mm | +16 mm |
| Sep | 23.0 °C | +1.3 °C | 55 mm | -3 mm |
| Oct | 15.5 °C | -0.1 °C | 55 mm | +3 mm |
| Nov | 9.1 °C | +0.4 °C | 67 mm | +6 mm |
| Dec | 4.3 °C | +0.6 °C | 38 mm | -11 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 Keszthely?
Keszthely has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 11.1 °C and it receives 663 mm of precipitation per year.
What is the hottest day ever recorded in Keszthely?
The hottest day measured in Keszthely between 1940 and 2025 was 8 August 2013, reaching 38.5 °C.
What is the coldest day in Keszthely?
The coldest day measured in Keszthely between 1940 and 2025 was 24 January 1942, at -26.1 °C.
Does it snow in Keszthely?
Yes. Keszthely gets on average 46.2 cm of snow per year and has around 70 frost days.
Has the climate of Keszthely warmed?
Yes: Keszthely warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Keszthely?
The wettest day measured in Keszthely between 1940 and 2025 was 10 July 1999, with 60 mm of rain in 24 hours.
What was the windiest day in Keszthely?
The windiest day measured in Keszthely between 1940 and 2025 was 10 February 1984, with winds reaching 50.4 km/h.
What is the warmest month in Keszthely?
The warmest month in Keszthely is July (21.6 °C on average); the coldest is January (-0.5 °C).
How much does it rain in Keszthely?
Keszthely receives on average 663 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Keszthely?
Keszthely gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Keszthely?
The heaviest 24-hour snowfall measured in Keszthely between 1940 and 2025 was 13 November 1993, with 22.9 cm.
Are there tropical nights in Keszthely?
Yes: Keszthely has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Keszthely?
In Keszthely, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 6 July 1957, and the lowest was -31.4 °C on 24 January 1942.
Compare Keszthely with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Keszthely