Biłgoraj climate — normals and trends
Biłgoraj (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 723 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 (19.0 °C on average) and the coldest is January (-3.2 °C). Rainfall peaks in July.
Biłgoraj averages 105 frost days, 5 hot days (≥ 30 °C) and 137 rainy days per year.
Biłgoraj has warmed by +2.5 °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 123 to 87 per year over the period.
The hottest day of the period reached 36.1 °C (on 15 August 1952) and the coldest -30.5 °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
BiłgorajLublin
- coords
- 50.54°, 22.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
12.1°C
Average daily low
4.5°C
Annual rainfall
723mm
Sunshine / day
7.5h
Mean relative humidity
78%
Average peak wind
17.2km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
105 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
77.5 cm
Average feels-like high
9.5 °C
Average feels-like low
1.5 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
36.1 °C
15 August 1952
Coldest day
-30.5 °C
11 January 1950
Wettest day
62 mm
26 June 1966
Windiest day
47.5 km/h
3 November 1981
Strongest gust
104.8 km/h
20 January 1986
Hottest feels-like
37.2 °C
15 August 1952
Coldest feels-like
-35.9 °C
11 January 1950
Snowiest day
20.0 cm
19 April 1999
Sunniest day
15.1 h
18 June 2021
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 | 5.3 °C | +6.1 °C | 49 mm | +5 mm |
| Feb | 2.3 °C | +1.3 °C | 13 mm | -30 mm |
| Mar | 12.0 °C | +6.0 °C | 55 mm | +10 mm |
| Apr | 15.9 °C | +2.8 °C | 51 mm | -4 mm |
| May | 15.9 °C | -2.7 °C | 81 mm | +5 mm |
| Jun | 23.6 °C | +1.6 °C | 52 mm | -37 mm |
| Jul | 24.9 °C | +1.2 °C | 141 mm | +49 mm |
| Aug | 24.8 °C | +1.4 °C | 40 mm | -34 mm |
| Sep | 21.1 °C | +2.5 °C | 68 mm | +6 mm |
| Oct | 12.0 °C | -0.7 °C | 49 mm | +2 mm |
| Nov | 7.6 °C | +1.7 °C | 70 mm | +21 mm |
| Dec | 4.2 °C | +2.9 °C | 28 mm | -21 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 Biłgoraj?
Biłgoraj has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 723 mm of precipitation per year.
What is the hottest day ever recorded in Biłgoraj?
The hottest day measured in Biłgoraj between 1940 and 2025 was 15 August 1952, reaching 36.1 °C.
What is the coldest day in Biłgoraj?
The coldest day measured in Biłgoraj between 1940 and 2025 was 11 January 1950, at -30.5 °C.
Does it snow in Biłgoraj?
Yes. Biłgoraj gets on average 77.5 cm of snow per year and has around 105 frost days.
Has the climate of Biłgoraj warmed?
Yes: Biłgoraj warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Biłgoraj?
The wettest day measured in Biłgoraj between 1940 and 2025 was 26 June 1966, with 62 mm of rain in 24 hours.
What was the windiest day in Biłgoraj?
The windiest day measured in Biłgoraj between 1940 and 2025 was 3 November 1981, with winds reaching 47.5 km/h.
What is the warmest month in Biłgoraj?
The warmest month in Biłgoraj is July (19.0 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Biłgoraj?
Biłgoraj receives on average 723 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Biłgoraj?
Biłgoraj 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 Biłgoraj?
The heaviest 24-hour snowfall measured in Biłgoraj between 1940 and 2025 was 19 April 1999, with 20.0 cm.
Are there tropical nights in Biłgoraj?
Yes: Biłgoraj has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Biłgoraj?
In Biłgoraj, between 1940 and 2025, the highest apparent temperature reached 37.2 °C on 15 August 1952, and the lowest was -35.9 °C on 11 January 1950.
Compare Biłgoraj with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Biłgoraj