Jabłonna climate — normals and trends
Jabłonna (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 628 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 (18.8 °C on average) and the coldest is January (-2.7 °C). Rainfall peaks in July.
Jabłonna averages 99 frost days, 5 hot days (≥ 30 °C) and 129 rainy days per year.
Jabłonna has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 80 per year over the period.
The hottest day of the period reached 36.0 °C (on 31 July 1994) and the coldest -32.3 °C (on 30 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
JabłonnaMazovia
- coords
- 52.38°, 20.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
11.8°C
Average daily low
4.7°C
Annual rainfall
628mm
Sunshine / day
7.2h
Mean relative humidity
78%
Average peak wind
17.4km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
99 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
60.0 cm
Average feels-like high
9.2 °C
Average feels-like low
1.6 °C
Average peak gust
35.1 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
+2.4 °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
36.0 °C
31 July 1994
Coldest day
-32.3 °C
30 January 1987
Wettest day
55 mm
3 September 1995
Windiest day
51.5 km/h
3 November 1981
Strongest gust
106.2 km/h
24 November 1984
Hottest feels-like
36.8 °C
12 July 1959
Coldest feels-like
-37.6 °C
30 January 1987
Snowiest day
22.7 cm
30 January 1979
Sunniest day
15.9 h
20 June 2025
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 | 4.3 °C | +4.8 °C | 46 mm | +6 mm |
| Feb | 2.3 °C | +1.3 °C | 10 mm | -28 mm |
| Mar | 11.6 °C | +5.9 °C | 31 mm | -7 mm |
| Apr | 16.8 °C | +4.2 °C | 29 mm | -18 mm |
| May | 16.0 °C | -2.2 °C | 70 mm | +8 mm |
| Jun | 22.9 °C | +1.3 °C | 49 mm | -21 mm |
| Jul | 24.6 °C | +1.4 °C | 89 mm | +7 mm |
| Aug | 24.6 °C | +1.7 °C | 35 mm | -31 mm |
| Sep | 20.4 °C | +2.2 °C | 67 mm | +15 mm |
| Oct | 12.0 °C | -0.1 °C | 50 mm | +7 mm |
| Nov | 6.3 °C | +0.8 °C | 47 mm | +2 mm |
| Dec | 4.0 °C | +2.5 °C | 18 mm | -27 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 Jabłonna?
Jabłonna has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 628 mm of precipitation per year.
What is the hottest day ever recorded in Jabłonna?
The hottest day measured in Jabłonna between 1940 and 2025 was 31 July 1994, reaching 36.0 °C.
What is the coldest day in Jabłonna?
The coldest day measured in Jabłonna between 1940 and 2025 was 30 January 1987, at -32.3 °C.
Does it snow in Jabłonna?
Yes. Jabłonna gets on average 60.0 cm of snow per year and has around 99 frost days.
Has the climate of Jabłonna warmed?
Yes: Jabłonna warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jabłonna?
The wettest day measured in Jabłonna between 1940 and 2025 was 3 September 1995, with 55 mm of rain in 24 hours.
What was the windiest day in Jabłonna?
The windiest day measured in Jabłonna between 1940 and 2025 was 3 November 1981, with winds reaching 51.5 km/h.
What is the warmest month in Jabłonna?
The warmest month in Jabłonna is July (18.8 °C on average); the coldest is January (-2.7 °C).
How much does it rain in Jabłonna?
Jabłonna receives on average 628 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Jabłonna?
Jabłonna gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jabłonna?
The heaviest 24-hour snowfall measured in Jabłonna between 1940 and 2025 was 30 January 1979, with 22.7 cm.
Are there tropical nights in Jabłonna?
Yes: Jabłonna has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jabłonna?
In Jabłonna, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 12 July 1959, and the lowest was -37.6 °C on 30 January 1987.
Compare Jabłonna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jabłonna