Zielona Góra climate — normals and trends
Zielona Góra (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 609 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 (19.1 °C on average) and the coldest is January (-0.9 °C). Rainfall peaks in July.
Zielona Góra averages 83 frost days, 8 hot days (≥ 30 °C) and 127 rainy days per year.
Zielona Góra has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 100 to 66 per year over the period.
The hottest day of the period reached 39.1 °C (on 19 June 2022) and the coldest -28.5 °C (on 14 January 1987).
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
Zielona GóraLubusz
- coords
- 51.94°, 15.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
12.9°C
Average daily low
5.5°C
Annual rainfall
609mm
Sunshine / day
7.4h
Mean relative humidity
76%
Average peak wind
17.5km/h
Seasonal range
20.0°C
Frost days (< 0 °C)
83 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
44.3 cm
Average feels-like high
10.2 °C
Average feels-like low
2.5 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
39.1 °C
19 June 2022
Coldest day
-28.5 °C
14 January 1987
Wettest day
65 mm
13 August 2002
Windiest day
52.1 km/h
13 November 1972
Strongest gust
123.5 km/h
13 November 1972
Hottest feels-like
40.6 °C
20 August 1943
Coldest feels-like
-33.7 °C
14 January 1987
Snowiest day
17.6 cm
3 March 1965
Sunniest day
16.0 h
5 June 1940
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 | 5.0 °C | +3.7 °C | 64 mm | +21 mm |
| Feb | 4.1 °C | +1.3 °C | 19 mm | -20 mm |
| Mar | 12.1 °C | +4.8 °C | 25 mm | -18 mm |
| Apr | 17.4 °C | +4.1 °C | 23 mm | -22 mm |
| May | 18.1 °C | -0.4 °C | 66 mm | +7 mm |
| Jun | 25.1 °C | +3.1 °C | 37 mm | -28 mm |
| Jul | 24.6 °C | +1.0 °C | 99 mm | +26 mm |
| Aug | 25.0 °C | +1.5 °C | 54 mm | -10 mm |
| Sep | 20.7 °C | +1.7 °C | 57 mm | +9 mm |
| Oct | 12.7 °C | -0.6 °C | 60 mm | +18 mm |
| Nov | 7.9 °C | +1.2 °C | 35 mm | -9 mm |
| Dec | 4.9 °C | +2.0 °C | 25 mm | -22 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 Zielona Góra?
Zielona Góra has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 609 mm of precipitation per year.
What is the hottest day ever recorded in Zielona Góra?
The hottest day measured in Zielona Góra between 1940 and 2025 was 19 June 2022, reaching 39.1 °C.
What is the coldest day in Zielona Góra?
The coldest day measured in Zielona Góra between 1940 and 2025 was 14 January 1987, at -28.5 °C.
Does it snow in Zielona Góra?
Yes. Zielona Góra gets on average 44.3 cm of snow per year and has around 83 frost days.
Has the climate of Zielona Góra warmed?
Yes: Zielona Góra warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zielona Góra?
The wettest day measured in Zielona Góra between 1940 and 2025 was 13 August 2002, with 65 mm of rain in 24 hours.
What was the windiest day in Zielona Góra?
The windiest day measured in Zielona Góra between 1940 and 2025 was 13 November 1972, with winds reaching 52.1 km/h.
What is the warmest month in Zielona Góra?
The warmest month in Zielona Góra is July (19.1 °C on average); the coldest is January (-0.9 °C).
How much does it rain in Zielona Góra?
Zielona Góra receives on average 609 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Zielona Góra?
Zielona Góra gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zielona Góra?
The heaviest 24-hour snowfall measured in Zielona Góra between 1940 and 2025 was 3 March 1965, with 17.6 cm.
Are there tropical nights in Zielona Góra?
Yes: Zielona Góra has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zielona Góra?
In Zielona Góra, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 20 August 1943, and the lowest was -33.7 °C on 14 January 1987.
Compare Zielona Góra with another city
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Nearby cities
The climate around Zielona Góra