Rybnik climate — normals and trends
Rybnik (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 787 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 (18.7 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in July.
Rybnik averages 91 frost days, 5 hot days (≥ 30 °C) and 145 rainy days per year.
Rybnik has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 70 per year over the period.
The hottest day of the period reached 37.4 °C (on 8 August 2013) and the coldest -29.3 °C (on 11 January 1940).
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
RybnikSilesia
- coords
- 50.10°, 18.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
12.7°C
Average daily low
5.0°C
Annual rainfall
787mm
Sunshine / day
7.7h
Mean relative humidity
78%
Average peak wind
17.6km/h
Seasonal range
20.8°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
75.8 cm
Average feels-like high
10.2 °C
Average feels-like low
2.2 °C
Average peak gust
33.6 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °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
37.4 °C
8 August 2013
Coldest day
-29.3 °C
11 January 1940
Wettest day
80 mm
6 July 1997
Windiest day
50.7 km/h
2 March 1956
Strongest gust
104.8 km/h
19 January 2007
Hottest feels-like
39.6 °C
8 July 1957
Coldest feels-like
-34.9 °C
28 January 1954
Snowiest day
20.2 cm
3 April 1970
Sunniest day
15.7 h
3 July 2015
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 | 5.3 °C | +4.9 °C | 45 mm | -1 mm |
| Feb | 4.5 °C | +2.1 °C | 18 mm | -29 mm |
| Mar | 12.5 °C | +5.1 °C | 46 mm | -3 mm |
| Apr | 16.7 °C | +3.2 °C | 31 mm | -28 mm |
| May | 16.8 °C | -1.5 °C | 74 mm | -10 mm |
| Jun | 24.3 °C | +2.8 °C | 68 mm | -25 mm |
| Jul | 24.1 °C | +0.7 °C | 167 mm | +65 mm |
| Aug | 24.9 °C | +1.5 °C | 39 mm | -42 mm |
| Sep | 20.3 °C | +1.2 °C | 117 mm | +51 mm |
| Oct | 12.7 °C | -1.0 °C | 77 mm | +25 mm |
| Nov | 7.5 °C | +0.4 °C | 85 mm | +29 mm |
| Dec | 4.6 °C | +2.3 °C | 12 mm | -38 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 Rybnik?
Rybnik has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 787 mm of precipitation per year.
What is the hottest day ever recorded in Rybnik?
The hottest day measured in Rybnik between 1940 and 2025 was 8 August 2013, reaching 37.4 °C.
What is the coldest day in Rybnik?
The coldest day measured in Rybnik between 1940 and 2025 was 11 January 1940, at -29.3 °C.
Does it snow in Rybnik?
Yes. Rybnik gets on average 75.8 cm of snow per year and has around 91 frost days.
Has the climate of Rybnik warmed?
Yes: Rybnik warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rybnik?
The wettest day measured in Rybnik between 1940 and 2025 was 6 July 1997, with 80 mm of rain in 24 hours.
What was the windiest day in Rybnik?
The windiest day measured in Rybnik between 1940 and 2025 was 2 March 1956, with winds reaching 50.7 km/h.
What is the warmest month in Rybnik?
The warmest month in Rybnik is July (18.7 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Rybnik?
Rybnik receives on average 787 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Rybnik?
Rybnik 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 Rybnik?
The heaviest 24-hour snowfall measured in Rybnik between 1940 and 2025 was 3 April 1970, with 20.2 cm.
Are there tropical nights in Rybnik?
Yes: Rybnik has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rybnik?
In Rybnik, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 8 July 1957, and the lowest was -34.9 °C on 28 January 1954.
Compare Rybnik with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rybnik