Nysa climate — normals and trends
Nysa (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.4 °C and it receives 748 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 (18.1 °C on average) and the coldest is January (-1.8 °C). Rainfall peaks in July.
Nysa averages 93 frost days, 3 hot days (≥ 30 °C) and 140 rainy days per year.
Nysa 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 114 to 72 per year over the period.
The hottest day of the period reached 35.2 °C (on 24 July 1988) and the coldest -28.8 °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
NysaOpole Voivodeship
- coords
- 50.47°, 17.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.4°C
Average daily high
12.1°C
Average daily low
4.8°C
Annual rainfall
748mm
Sunshine / day
7.5h
Mean relative humidity
78%
Average peak wind
16.3km/h
Seasonal range
19.9°C
Frost days (< 0 °C)
93 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
79.4 cm
Average feels-like high
9.7 °C
Average feels-like low
2.0 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 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
35.2 °C
24 July 1988
Coldest day
-28.8 °C
9 February 1956
Wettest day
103 mm
7 July 1997
Windiest day
47.3 km/h
18 January 2007
Strongest gust
112.7 km/h
19 January 2007
Hottest feels-like
37.5 °C
5 July 1957
Coldest feels-like
-34.1 °C
9 February 1956
Snowiest day
16.7 cm
27 October 2012
Sunniest day
16.0 h
24 June 1994
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.7 °C | +4.2 °C | 41 mm | -1 mm |
| Feb | 3.8 °C | +1.6 °C | 12 mm | -32 mm |
| Mar | 11.6 °C | +4.9 °C | 39 mm | -10 mm |
| Apr | 15.8 °C | +3.2 °C | 40 mm | -17 mm |
| May | 15.8 °C | -1.6 °C | 75 mm | -5 mm |
| Jun | 23.2 °C | +2.5 °C | 50 mm | -37 mm |
| Jul | 23.3 °C | +0.7 °C | 189 mm | +87 mm |
| Aug | 23.4 °C | +0.9 °C | 56 mm | -25 mm |
| Sep | 19.2 °C | +0.9 °C | 85 mm | +23 mm |
| Oct | 11.9 °C | -0.9 °C | 64 mm | +17 mm |
| Nov | 6.8 °C | +0.4 °C | 70 mm | +18 mm |
| Dec | 4.2 °C | +2.0 °C | 19 mm | -28 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 Nysa?
Nysa has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.4 °C and it receives 748 mm of precipitation per year.
What is the hottest day ever recorded in Nysa?
The hottest day measured in Nysa between 1940 and 2025 was 24 July 1988, reaching 35.2 °C.
What is the coldest day in Nysa?
The coldest day measured in Nysa between 1940 and 2025 was 9 February 1956, at -28.8 °C.
Does it snow in Nysa?
Yes. Nysa gets on average 79.4 cm of snow per year and has around 93 frost days.
Has the climate of Nysa warmed?
Yes: Nysa warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nysa?
The wettest day measured in Nysa between 1940 and 2025 was 7 July 1997, with 103 mm of rain in 24 hours.
What was the windiest day in Nysa?
The windiest day measured in Nysa between 1940 and 2025 was 18 January 2007, with winds reaching 47.3 km/h.
What is the warmest month in Nysa?
The warmest month in Nysa is July (18.1 °C on average); the coldest is January (-1.8 °C).
How much does it rain in Nysa?
Nysa receives on average 748 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Nysa?
Nysa 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 Nysa?
The heaviest 24-hour snowfall measured in Nysa between 1940 and 2025 was 27 October 2012, with 16.7 cm.
Are there tropical nights in Nysa?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Nysa.
What was the most extreme apparent temperature in Nysa?
In Nysa, between 1940 and 2025, the highest apparent temperature reached 37.5 °C on 5 July 1957, and the lowest was -34.1 °C on 9 February 1956.
Compare Nysa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nysa