Znojmo climate — normals and trends
Znojmo (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 577 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 (19.8 °C on average) and the coldest is January (-1.4 °C). Rainfall peaks in July.
Znojmo averages 91 frost days, 10 hot days (≥ 30 °C) and 108 rainy days per year.
Znojmo has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 110 to 72 per year over the period.
The hottest day of the period reached 38.8 °C (on 5 July 1957) and the coldest -27.8 °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
ZnojmoSouth Moravian
- coords
- 48.86°, 16.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
13.5°C
Average daily low
5.6°C
Annual rainfall
577mm
Sunshine / day
7.7h
Mean relative humidity
74%
Average peak wind
16.9km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
108 d/yr
Annual snowfall
43.5 cm
Average feels-like high
11.0 °C
Average feels-like low
2.8 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
38.8 °C
5 July 1957
Coldest day
-27.8 °C
24 January 1942
Wettest day
76 mm
14 September 2024
Windiest day
48.0 km/h
16 March 2014
Strongest gust
110.9 km/h
1 March 1990
Hottest feels-like
39.8 °C
5 July 1957
Coldest feels-like
-32.5 °C
24 January 1942
Snowiest day
21.5 cm
3 January 1941
Sunniest day
15.9 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 | 3.5 °C | +2.3 °C | 17 mm | -12 mm |
| Feb | 3.9 °C | +0.3 °C | 10 mm | -19 mm |
| Mar | 12.2 °C | +3.6 °C | 49 mm | +14 mm |
| Apr | 17.1 °C | +2.8 °C | 45 mm | -0 mm |
| May | 18.7 °C | -0.4 °C | 35 mm | -32 mm |
| Jun | 27.1 °C | +4.4 °C | 49 mm | -27 mm |
| Jul | 25.4 °C | +0.6 °C | 102 mm | +26 mm |
| Aug | 26.5 °C | +1.9 °C | 30 mm | -34 mm |
| Sep | 21.0 °C | +0.9 °C | 102 mm | +52 mm |
| Oct | 13.4 °C | -0.4 °C | 28 mm | -7 mm |
| Nov | 6.7 °C | -0.2 °C | 43 mm | +5 mm |
| Dec | 3.6 °C | +0.9 °C | 32 mm | -0 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 Znojmo?
Znojmo has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 577 mm of precipitation per year.
What is the hottest day ever recorded in Znojmo?
The hottest day measured in Znojmo between 1940 and 2025 was 5 July 1957, reaching 38.8 °C.
What is the coldest day in Znojmo?
The coldest day measured in Znojmo between 1940 and 2025 was 24 January 1942, at -27.8 °C.
Does it snow in Znojmo?
Yes. Znojmo gets on average 43.5 cm of snow per year and has around 91 frost days.
Has the climate of Znojmo warmed?
Yes: Znojmo warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Znojmo?
The wettest day measured in Znojmo between 1940 and 2025 was 14 September 2024, with 76 mm of rain in 24 hours.
What was the windiest day in Znojmo?
The windiest day measured in Znojmo between 1940 and 2025 was 16 March 2014, with winds reaching 48.0 km/h.
What is the warmest month in Znojmo?
The warmest month in Znojmo is July (19.8 °C on average); the coldest is January (-1.4 °C).
How much does it rain in Znojmo?
Znojmo receives on average 577 mm of precipitation per year, spread over about 108 rainy days.
Is it sunny in Znojmo?
Znojmo gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Znojmo?
The heaviest 24-hour snowfall measured in Znojmo between 1940 and 2025 was 3 January 1941, with 21.5 cm.
Are there tropical nights in Znojmo?
Yes: Znojmo has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Znojmo?
In Znojmo, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 5 July 1957, and the lowest was -32.5 °C on 24 January 1942.
Compare Znojmo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Znojmo