Przasnysz climate — normals and trends
Przasnysz (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.7 °C and it receives 630 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 (-3.2 °C). Rainfall peaks in July.
Przasnysz averages 109 frost days, 3 hot days (≥ 30 °C) and 129 rainy days per year.
Przasnysz 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 127 to 91 per year over the period.
The hottest day of the period reached 36.0 °C (on 8 August 2015) and the coldest -31.0 °C (on 11 January 1950).
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
PrzasnyszMazovia
- coords
- 53.02°, 20.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.7°C
Average daily high
11.3°C
Average daily low
4.0°C
Annual rainfall
630mm
Sunshine / day
7.0h
Mean relative humidity
79%
Average peak wind
18.5km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
109 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
65.7 cm
Average feels-like high
8.5 °C
Average feels-like low
0.8 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
0 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 = 0.43 · 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
36.0 °C
8 August 2015
Coldest day
-31.0 °C
11 January 1950
Wettest day
72 mm
3 September 1995
Windiest day
54.8 km/h
3 November 1981
Strongest gust
106.6 km/h
23 February 2008
Hottest feels-like
36.2 °C
11 July 1959
Coldest feels-like
-36.2 °C
11 January 1950
Snowiest day
22.1 cm
30 January 1979
Sunniest day
16.2 h
23 June 2019
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 | 3.9 °C | +4.9 °C | 44 mm | +5 mm |
| Feb | 1.9 °C | +1.6 °C | 11 mm | -26 mm |
| Mar | 11.2 °C | +6.2 °C | 33 mm | -5 mm |
| Apr | 16.2 °C | +4.3 °C | 26 mm | -20 mm |
| May | 15.6 °C | -2.0 °C | 75 mm | +10 mm |
| Jun | 22.2 °C | +1.1 °C | 61 mm | -11 mm |
| Jul | 23.7 °C | +0.9 °C | 122 mm | +39 mm |
| Aug | 23.4 °C | +0.9 °C | 47 mm | -19 mm |
| Sep | 19.8 °C | +2.1 °C | 77 mm | +25 mm |
| Oct | 11.6 °C | 0.0 °C | 54 mm | +10 mm |
| Nov | 5.6 °C | +0.6 °C | 50 mm | +5 mm |
| Dec | 3.8 °C | +2.7 °C | 17 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 Przasnysz?
Przasnysz has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.7 °C and it receives 630 mm of precipitation per year.
What is the hottest day ever recorded in Przasnysz?
The hottest day measured in Przasnysz between 1940 and 2025 was 8 August 2015, reaching 36.0 °C.
What is the coldest day in Przasnysz?
The coldest day measured in Przasnysz between 1940 and 2025 was 11 January 1950, at -31.0 °C.
Does it snow in Przasnysz?
Yes. Przasnysz gets on average 65.7 cm of snow per year and has around 109 frost days.
Has the climate of Przasnysz warmed?
Yes: Przasnysz warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Przasnysz?
The wettest day measured in Przasnysz between 1940 and 2025 was 3 September 1995, with 72 mm of rain in 24 hours.
What was the windiest day in Przasnysz?
The windiest day measured in Przasnysz between 1940 and 2025 was 3 November 1981, with winds reaching 54.8 km/h.
What is the warmest month in Przasnysz?
The warmest month in Przasnysz is July (18.3 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Przasnysz?
Przasnysz receives on average 630 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Przasnysz?
Przasnysz gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.
What is the biggest single-day snowfall in Przasnysz?
The heaviest 24-hour snowfall measured in Przasnysz between 1940 and 2025 was 30 January 1979, with 22.1 cm.
Are there tropical nights in Przasnysz?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Przasnysz.
What was the most extreme apparent temperature in Przasnysz?
In Przasnysz, between 1940 and 2025, the highest apparent temperature reached 36.2 °C on 11 July 1959, and the lowest was -36.2 °C on 11 January 1950.
Compare Przasnysz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Przasnysz