Zamość climate — normals and trends
Zamość (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 683 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 (18.7 °C on average) and the coldest is January (-3.5 °C). Rainfall peaks in July.
Zamość averages 108 frost days, 4 hot days (≥ 30 °C) and 133 rainy days per year.
Zamość 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 89 per year over the period.
The hottest day of the period reached 36.1 °C (on 1 July 2019) and the coldest -33.1 °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
ZamośćLublin
- coords
- 50.72°, 23.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
11.7°C
Average daily low
4.3°C
Annual rainfall
683mm
Sunshine / day
7.4h
Mean relative humidity
78%
Average peak wind
17.5km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
108 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
76.6 cm
Average feels-like high
9.1 °C
Average feels-like low
1.2 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
1 July 2019
Coldest day
-33.1 °C
11 January 1950
Wettest day
73 mm
26 June 1966
Windiest day
49.9 km/h
3 November 1981
Strongest gust
106.2 km/h
20 January 1986
Hottest feels-like
36.8 °C
3 August 1998
Coldest feels-like
-38.4 °C
11 January 1950
Snowiest day
18.0 cm
11 December 2022
Sunniest day
15.2 h
20 June 2022
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 | 5.1 °C | +6.2 °C | 39 mm | -1 mm |
| Feb | 1.7 °C | +1.1 °C | 12 mm | -27 mm |
| Mar | 11.6 °C | +6.1 °C | 51 mm | +9 mm |
| Apr | 15.5 °C | +2.8 °C | 48 mm | -5 mm |
| May | 15.4 °C | -2.7 °C | 75 mm | +3 mm |
| Jun | 23.1 °C | +1.6 °C | 62 mm | -23 mm |
| Jul | 24.5 °C | +1.3 °C | 138 mm | +51 mm |
| Aug | 24.4 °C | +1.4 °C | 26 mm | -46 mm |
| Sep | 20.8 °C | +2.6 °C | 77 mm | +16 mm |
| Oct | 11.7 °C | -0.5 °C | 40 mm | -6 mm |
| Nov | 7.2 °C | +1.7 °C | 67 mm | +22 mm |
| Dec | 4.0 °C | +3.0 °C | 24 mm | -19 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 Zamość?
Zamość has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 683 mm of precipitation per year.
What is the hottest day ever recorded in Zamość?
The hottest day measured in Zamość between 1940 and 2025 was 1 July 2019, reaching 36.1 °C.
What is the coldest day in Zamość?
The coldest day measured in Zamość between 1940 and 2025 was 11 January 1950, at -33.1 °C.
Does it snow in Zamość?
Yes. Zamość gets on average 76.6 cm of snow per year and has around 108 frost days.
Has the climate of Zamość warmed?
Yes: Zamość warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zamość?
The wettest day measured in Zamość between 1940 and 2025 was 26 June 1966, with 73 mm of rain in 24 hours.
What was the windiest day in Zamość?
The windiest day measured in Zamość between 1940 and 2025 was 3 November 1981, with winds reaching 49.9 km/h.
What is the warmest month in Zamość?
The warmest month in Zamość is July (18.7 °C on average); the coldest is January (-3.5 °C).
How much does it rain in Zamość?
Zamość receives on average 683 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Zamość?
Zamość gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zamość?
The heaviest 24-hour snowfall measured in Zamość between 1940 and 2025 was 11 December 2022, with 18.0 cm.
Are there tropical nights in Zamość?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Zamość.
What was the most extreme apparent temperature in Zamość?
In Zamość, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 3 August 1998, and the lowest was -38.4 °C on 11 January 1950.
Compare Zamość with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zamość