Krosno climate — normals and trends
Krosno (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 807 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 (18.3 °C on average) and the coldest is January (-3.4 °C). Rainfall peaks in July.
Krosno averages 106 frost days, 3 hot days (≥ 30 °C) and 148 rainy days per year.
Krosno has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 127 to 85 per year over the period.
The hottest day of the period reached 35.5 °C (on 8 August 2013) and the coldest -30.8 °C (on 1 February 1991).
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
KrosnoSubcarpathia
- coords
- 49.69°, 21.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
11.8°C
Average daily low
4.3°C
Annual rainfall
807mm
Sunshine / day
7.5h
Mean relative humidity
79%
Average peak wind
17.2km/h
Seasonal range
21.7°C
Frost days (< 0 °C)
106 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
101.6 cm
Average feels-like high
9.3 °C
Average feels-like low
1.3 °C
Average peak gust
36.3 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
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.55 · 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
35.5 °C
8 August 2013
Coldest day
-30.8 °C
1 February 1991
Wettest day
64 mm
26 September 1945
Windiest day
45.3 km/h
18 February 1946
Strongest gust
99.7 km/h
18 February 1946
Hottest feels-like
37.6 °C
24 June 2021
Coldest feels-like
-35.7 °C
1 February 1991
Snowiest day
22.4 cm
23 November 1999
Sunniest day
15.1 h
21 June 1959
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 | 4.4 °C | +5.4 °C | 44 mm | -6 mm |
| Feb | 2.8 °C | +1.7 °C | 19 mm | -31 mm |
| Mar | 11.8 °C | +5.6 °C | 46 mm | -5 mm |
| Apr | 15.7 °C | +2.9 °C | 55 mm | -7 mm |
| May | 16.0 °C | -1.9 °C | 103 mm | +20 mm |
| Jun | 24.1 °C | +3.0 °C | 57 mm | -36 mm |
| Jul | 24.5 °C | +1.6 °C | 134 mm | +31 mm |
| Aug | 25.0 °C | +2.2 °C | 55 mm | -27 mm |
| Sep | 20.5 °C | +2.2 °C | 79 mm | +10 mm |
| Oct | 11.6 °C | -0.9 °C | 70 mm | +16 mm |
| Nov | 7.4 °C | +1.5 °C | 97 mm | +41 mm |
| Dec | 4.2 °C | +3.2 °C | 21 mm | -35 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 Krosno?
Krosno has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 807 mm of precipitation per year.
What is the hottest day ever recorded in Krosno?
The hottest day measured in Krosno between 1940 and 2025 was 8 August 2013, reaching 35.5 °C.
What is the coldest day in Krosno?
The coldest day measured in Krosno between 1940 and 2025 was 1 February 1991, at -30.8 °C.
Does it snow in Krosno?
Yes. Krosno gets on average 101.6 cm of snow per year and has around 106 frost days.
Has the climate of Krosno warmed?
Yes: Krosno warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Krosno?
The wettest day measured in Krosno between 1940 and 2025 was 26 September 1945, with 64 mm of rain in 24 hours.
What was the windiest day in Krosno?
The windiest day measured in Krosno between 1940 and 2025 was 18 February 1946, with winds reaching 45.3 km/h.
What is the warmest month in Krosno?
The warmest month in Krosno is July (18.3 °C on average); the coldest is January (-3.4 °C).
How much does it rain in Krosno?
Krosno receives on average 807 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Krosno?
Krosno 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 Krosno?
The heaviest 24-hour snowfall measured in Krosno between 1940 and 2025 was 23 November 1999, with 22.4 cm.
Are there tropical nights in Krosno?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Krosno.
What was the most extreme apparent temperature in Krosno?
In Krosno, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 24 June 2021, and the lowest was -35.7 °C on 1 February 1991.
Compare Krosno with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Krosno