Třeboň climate — normals and trends
Třeboň (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 655 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 (18.1 °C on average) and the coldest is January (-1.7 °C). Rainfall peaks in July.
Třeboň averages 94 frost days, 4 hot days (≥ 30 °C) and 130 rainy days per year.
Třeboň has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 114 to 74 per year over the period.
The hottest day of the period reached 36.1 °C (on 27 July 1983) and the coldest -29.6 °C (on 10 February 1956).
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
TřeboňSouth Bohemian Region
- coords
- 49.00°, 14.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.3°C
Average daily low
4.8°C
Annual rainfall
655mm
Sunshine / day
7.9h
Mean relative humidity
77%
Average peak wind
15.1km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
94 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
64.9 cm
Average feels-like high
9.9 °C
Average feels-like low
2.1 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
36.1 °C
27 July 1983
Coldest day
-29.6 °C
10 February 1956
Wettest day
77 mm
12 August 2002
Windiest day
46.5 km/h
1 March 1990
Strongest gust
117.0 km/h
19 January 2007
Hottest feels-like
39.2 °C
20 August 1943
Coldest feels-like
-34.7 °C
10 February 1956
Snowiest day
19.6 cm
19 March 1982
Sunniest day
16.0 h
14 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 | 3.4 °C | +2.6 °C | 31 mm | -7 mm |
| Feb | 3.8 °C | +0.9 °C | 13 mm | -24 mm |
| Mar | 11.4 °C | +3.8 °C | 50 mm | +6 mm |
| Apr | 16.3 °C | +3.3 °C | 50 mm | +1 mm |
| May | 16.7 °C | -0.9 °C | 38 mm | -34 mm |
| Jun | 24.6 °C | +3.7 °C | 56 mm | -22 mm |
| Jul | 23.3 °C | +0.5 °C | 94 mm | +10 mm |
| Aug | 24.4 °C | +1.7 °C | 44 mm | -27 mm |
| Sep | 19.4 °C | +0.9 °C | 56 mm | +4 mm |
| Oct | 11.9 °C | -0.8 °C | 43 mm | +1 mm |
| Nov | 6.1 °C | 0.0 °C | 50 mm | +6 mm |
| Dec | 3.0 °C | +0.9 °C | 22 mm | -21 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 Třeboň?
Třeboň has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 655 mm of precipitation per year.
What is the hottest day ever recorded in Třeboň?
The hottest day measured in Třeboň between 1940 and 2025 was 27 July 1983, reaching 36.1 °C.
What is the coldest day in Třeboň?
The coldest day measured in Třeboň between 1940 and 2025 was 10 February 1956, at -29.6 °C.
Does it snow in Třeboň?
Yes. Třeboň gets on average 64.9 cm of snow per year and has around 94 frost days.
Has the climate of Třeboň warmed?
Yes: Třeboň warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Třeboň?
The wettest day measured in Třeboň between 1940 and 2025 was 12 August 2002, with 77 mm of rain in 24 hours.
What was the windiest day in Třeboň?
The windiest day measured in Třeboň between 1940 and 2025 was 1 March 1990, with winds reaching 46.5 km/h.
What is the warmest month in Třeboň?
The warmest month in Třeboň is July (18.1 °C on average); the coldest is January (-1.7 °C).
How much does it rain in Třeboň?
Třeboň receives on average 655 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Třeboň?
Třeboň gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Třeboň?
The heaviest 24-hour snowfall measured in Třeboň between 1940 and 2025 was 19 March 1982, with 19.6 cm.
Are there tropical nights in Třeboň?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Třeboň.
What was the most extreme apparent temperature in Třeboň?
In Třeboň, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 20 August 1943, and the lowest was -34.7 °C on 10 February 1956.
Compare Třeboň with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Třeboň