Zambrów climate — normals and trends
Zambrów (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.5 °C and it receives 653 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 (-3.6 °C). Rainfall peaks in July.
Zambrów averages 112 frost days, 3 hot days (≥ 30 °C) and 133 rainy days per year.
Zambrów 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 131 to 93 per year over the period.
The hottest day of the period reached 35.8 °C (on 8 August 2015) and the coldest -33.3 °C (on 12 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
ZambrówPodlasie
- coords
- 52.99°, 22.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.5°C
Average daily high
11.1°C
Average daily low
3.9°C
Annual rainfall
653mm
Sunshine / day
7.0h
Mean relative humidity
79%
Average peak wind
18.3km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
71.6 cm
Average feels-like high
8.3 °C
Average feels-like low
0.6 °C
Average peak gust
35.9 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 = 0.42 · 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
35.8 °C
8 August 2015
Coldest day
-33.3 °C
12 January 1950
Wettest day
66 mm
3 September 1995
Windiest day
50.8 km/h
3 November 1981
Strongest gust
110.9 km/h
7 March 1983
Hottest feels-like
36.5 °C
31 July 1994
Coldest feels-like
-38.7 °C
12 January 1950
Snowiest day
20.2 cm
30 January 1979
Sunniest day
16.2 h
24 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 | +5.4 °C | 47 mm | +6 mm |
| Feb | 1.4 °C | +1.6 °C | 17 mm | -22 mm |
| Mar | 11.0 °C | +6.3 °C | 36 mm | -2 mm |
| Apr | 16.1 °C | +4.3 °C | 28 mm | -21 mm |
| May | 15.6 °C | -2.1 °C | 75 mm | +12 mm |
| Jun | 22.3 °C | +1.2 °C | 58 mm | -18 mm |
| Jul | 24.0 °C | +1.2 °C | 120 mm | +36 mm |
| Aug | 23.5 °C | +1.1 °C | 39 mm | -30 mm |
| Sep | 20.3 °C | +2.7 °C | 68 mm | +12 mm |
| Oct | 11.2 °C | -0.1 °C | 60 mm | +14 mm |
| Nov | 5.8 °C | +1.1 °C | 48 mm | +1 mm |
| Dec | 3.7 °C | +2.9 °C | 23 mm | -23 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 Zambrów?
Zambrów has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.5 °C and it receives 653 mm of precipitation per year.
What is the hottest day ever recorded in Zambrów?
The hottest day measured in Zambrów between 1940 and 2025 was 8 August 2015, reaching 35.8 °C.
What is the coldest day in Zambrów?
The coldest day measured in Zambrów between 1940 and 2025 was 12 January 1950, at -33.3 °C.
Does it snow in Zambrów?
Yes. Zambrów gets on average 71.6 cm of snow per year and has around 112 frost days.
Has the climate of Zambrów warmed?
Yes: Zambrów warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zambrów?
The wettest day measured in Zambrów between 1940 and 2025 was 3 September 1995, with 66 mm of rain in 24 hours.
What was the windiest day in Zambrów?
The windiest day measured in Zambrów between 1940 and 2025 was 3 November 1981, with winds reaching 50.8 km/h.
What is the warmest month in Zambrów?
The warmest month in Zambrów is July (18.3 °C on average); the coldest is January (-3.6 °C).
How much does it rain in Zambrów?
Zambrów receives on average 653 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Zambrów?
Zambrów 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 Zambrów?
The heaviest 24-hour snowfall measured in Zambrów between 1940 and 2025 was 30 January 1979, with 20.2 cm.
Are there tropical nights in Zambrów?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Zambrów.
What was the most extreme apparent temperature in Zambrów?
In Zambrów, between 1940 and 2025, the highest apparent temperature reached 36.5 °C on 31 July 1994, and the lowest was -38.7 °C on 12 January 1950.
Compare Zambrów with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zambrów