Wieliczka climate — normals and trends
Wieliczka (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.1 °C and it receives 772 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 (18.2 °C on average) and the coldest is January (-3.0 °C). Rainfall peaks in July.
Wieliczka averages 110 frost days, 4 hot days (≥ 30 °C) and 145 rainy days per year.
Wieliczka has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 131 to 89 per year over the period.
The hottest day of the period reached 36.6 °C (on 8 August 2013) and the coldest -31.0 °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
WieliczkaLesser Poland
- coords
- 49.99°, 20.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.1°C
Average daily high
12.3°C
Average daily low
4.0°C
Annual rainfall
772mm
Sunshine / day
7.4h
Mean relative humidity
79%
Average peak wind
16.0km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
110 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
87.0 cm
Average feels-like high
10.0 °C
Average feels-like low
1.3 °C
Average peak gust
32.5 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
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.60 · 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
36.6 °C
8 August 2013
Coldest day
-31.0 °C
11 January 1940
Wettest day
73 mm
29 July 2000
Windiest day
49.7 km/h
7 March 2002
Strongest gust
112.7 km/h
19 January 2007
Hottest feels-like
39.1 °C
8 July 1957
Coldest feels-like
-36.3 °C
11 January 1940
Snowiest day
20.1 cm
30 January 1979
Sunniest day
15.4 h
19 June 2022
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 | 5.6 °C | +5.7 °C | 49 mm | +4 mm |
| Feb | 4.1 °C | +2.2 °C | 33 mm | -12 mm |
| Mar | 12.3 °C | +5.5 °C | 51 mm | +2 mm |
| Apr | 16.4 °C | +3.3 °C | 49 mm | -10 mm |
| May | 16.1 °C | -1.9 °C | 77 mm | -6 mm |
| Jun | 23.7 °C | +2.5 °C | 79 mm | -14 mm |
| Jul | 23.9 °C | +1.0 °C | 138 mm | +39 mm |
| Aug | 25.0 °C | +2.1 °C | 42 mm | -42 mm |
| Sep | 20.4 °C | +1.8 °C | 93 mm | +28 mm |
| Oct | 12.4 °C | -0.8 °C | 68 mm | +17 mm |
| Nov | 7.5 °C | +0.9 °C | 87 mm | +35 mm |
| Dec | 3.9 °C | +2.0 °C | 12 mm | -36 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 Wieliczka?
Wieliczka has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.1 °C and it receives 772 mm of precipitation per year.
What is the hottest day ever recorded in Wieliczka?
The hottest day measured in Wieliczka between 1940 and 2025 was 8 August 2013, reaching 36.6 °C.
What is the coldest day in Wieliczka?
The coldest day measured in Wieliczka between 1940 and 2025 was 11 January 1940, at -31.0 °C.
Does it snow in Wieliczka?
Yes. Wieliczka gets on average 87.0 cm of snow per year and has around 110 frost days.
Has the climate of Wieliczka warmed?
Yes: Wieliczka warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wieliczka?
The wettest day measured in Wieliczka between 1940 and 2025 was 29 July 2000, with 73 mm of rain in 24 hours.
What was the windiest day in Wieliczka?
The windiest day measured in Wieliczka between 1940 and 2025 was 7 March 2002, with winds reaching 49.7 km/h.
What is the warmest month in Wieliczka?
The warmest month in Wieliczka is July (18.2 °C on average); the coldest is January (-3.0 °C).
How much does it rain in Wieliczka?
Wieliczka receives on average 772 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Wieliczka?
Wieliczka 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 Wieliczka?
The heaviest 24-hour snowfall measured in Wieliczka between 1940 and 2025 was 30 January 1979, with 20.1 cm.
Are there tropical nights in Wieliczka?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Wieliczka.
What was the most extreme apparent temperature in Wieliczka?
In Wieliczka, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 8 July 1957, and the lowest was -36.3 °C on 11 January 1940.
Compare Wieliczka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Wieliczka