Krnov climate — normals and trends
Krnov (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 801 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 (17.6 °C on average) and the coldest is January (-2.8 °C). Rainfall peaks in July.
Krnov averages 105 frost days, 2 hot days (≥ 30 °C) and 148 rainy days per year.
Krnov has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 126 to 84 per year over the period.
The hottest day of the period reached 35.9 °C (on 8 August 2013) and the coldest -28.9 °C (on 9 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
KrnovMoravian-Silesian Region
- coords
- 50.09°, 17.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
11.3°C
Average daily low
4.3°C
Annual rainfall
801mm
Sunshine / day
7.5h
Mean relative humidity
79%
Average peak wind
17.9km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
105 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
92.6 cm
Average feels-like high
8.7 °C
Average feels-like low
1.2 °C
Average peak gust
37.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
35.9 °C
8 August 2013
Coldest day
-28.9 °C
9 February 1956
Wettest day
88 mm
14 September 2024
Windiest day
45.6 km/h
12 February 1962
Strongest gust
110.5 km/h
19 January 2007
Hottest feels-like
35.9 °C
5 July 1957
Coldest feels-like
-35.5 °C
9 February 1956
Snowiest day
18.8 cm
9 April 1977
Sunniest day
15.9 h
27 June 2019
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 | 3.2 °C | +3.8 °C | 38 mm | -2 mm |
| Feb | 2.8 °C | +1.6 °C | 14 mm | -28 mm |
| Mar | 10.9 °C | +5.0 °C | 50 mm | +1 mm |
| Apr | 15.1 °C | +3.2 °C | 35 mm | -28 mm |
| May | 15.5 °C | -1.2 °C | 79 mm | -10 mm |
| Jun | 23.1 °C | +3.0 °C | 62 mm | -40 mm |
| Jul | 22.9 °C | +0.9 °C | 204 mm | +89 mm |
| Aug | 23.3 °C | +1.4 °C | 45 mm | -47 mm |
| Sep | 18.5 °C | +0.8 °C | 117 mm | +50 mm |
| Oct | 11.2 °C | -0.9 °C | 54 mm | +6 mm |
| Nov | 5.9 °C | +0.3 °C | 80 mm | +29 mm |
| Dec | 3.2 °C | +2.1 °C | 17 mm | -27 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 Krnov?
Krnov has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 801 mm of precipitation per year.
What is the hottest day ever recorded in Krnov?
The hottest day measured in Krnov between 1940 and 2025 was 8 August 2013, reaching 35.9 °C.
What is the coldest day in Krnov?
The coldest day measured in Krnov between 1940 and 2025 was 9 February 1956, at -28.9 °C.
Does it snow in Krnov?
Yes. Krnov gets on average 92.6 cm of snow per year and has around 105 frost days.
Has the climate of Krnov warmed?
Yes: Krnov warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Krnov?
The wettest day measured in Krnov between 1940 and 2025 was 14 September 2024, with 88 mm of rain in 24 hours.
What was the windiest day in Krnov?
The windiest day measured in Krnov between 1940 and 2025 was 12 February 1962, with winds reaching 45.6 km/h.
What is the warmest month in Krnov?
The warmest month in Krnov is July (17.6 °C on average); the coldest is January (-2.8 °C).
How much does it rain in Krnov?
Krnov receives on average 801 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Krnov?
Krnov gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Krnov?
The heaviest 24-hour snowfall measured in Krnov between 1940 and 2025 was 9 April 1977, with 18.8 cm.
Are there tropical nights in Krnov?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Krnov.
What was the most extreme apparent temperature in Krnov?
In Krnov, between 1940 and 2025, the highest apparent temperature reached 35.9 °C on 5 July 1957, and the lowest was -35.5 °C on 9 February 1956.
Compare Krnov with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Krnov