Jelenia Góra climate — normals and trends
Jelenia Góra (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.3 °C and it receives 867 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 (16.8 °C on average) and the coldest is January (-2.7 °C). Rainfall peaks in July.
Jelenia Góra averages 112 frost days, 2 hot days (≥ 30 °C) and 155 rainy days per year.
Jelenia Góra has warmed by +2.4 °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 132 to 92 per year over the period.
The hottest day of the period reached 34.7 °C (on 8 August 2015) and the coldest -30.5 °C (on 9 February 1956).
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
Jelenia GóraLower Silesia
- coords
- 50.90°, 15.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.3°C
Average daily high
11.0°C
Average daily low
3.7°C
Annual rainfall
867mm
Sunshine / day
7.6h
Mean relative humidity
80%
Average peak wind
17.1km/h
Seasonal range
19.5°C
Frost days (< 0 °C)
112 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
105.3 cm
Average feels-like high
8.4 °C
Average feels-like low
0.6 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
34.7 °C
8 August 2015
Coldest day
-30.5 °C
9 February 1956
Wettest day
85 mm
13 August 2002
Windiest day
50.4 km/h
18 January 2007
Strongest gust
130.3 km/h
18 January 2007
Hottest feels-like
37.6 °C
20 August 1943
Coldest feels-like
-35.7 °C
9 February 1956
Snowiest day
19.7 cm
18 March 1985
Sunniest day
16.0 h
23 June 1942
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 | 3.8 °C | +4.0 °C | 58 mm | +2 mm |
| Feb | 2.6 °C | +1.3 °C | 20 mm | -33 mm |
| Mar | 10.5 °C | +4.9 °C | 46 mm | -12 mm |
| Apr | 14.6 °C | +3.3 °C | 72 mm | +9 mm |
| May | 15.2 °C | -0.9 °C | 80 mm | -10 mm |
| Jun | 22.3 °C | +2.9 °C | 82 mm | -13 mm |
| Jul | 22.0 °C | +0.9 °C | 125 mm | +12 mm |
| Aug | 22.4 °C | +1.3 °C | 94 mm | -3 mm |
| Sep | 18.4 °C | +1.3 °C | 86 mm | +20 mm |
| Oct | 10.9 °C | -1.0 °C | 62 mm | +6 mm |
| Nov | 6.5 °C | +1.0 °C | 67 mm | +8 mm |
| Dec | 3.7 °C | +2.3 °C | 30 mm | -30 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 Jelenia Góra?
Jelenia Góra has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.3 °C and it receives 867 mm of precipitation per year.
What is the hottest day ever recorded in Jelenia Góra?
The hottest day measured in Jelenia Góra between 1940 and 2025 was 8 August 2015, reaching 34.7 °C.
What is the coldest day in Jelenia Góra?
The coldest day measured in Jelenia Góra between 1940 and 2025 was 9 February 1956, at -30.5 °C.
Does it snow in Jelenia Góra?
Yes. Jelenia Góra gets on average 105.3 cm of snow per year and has around 112 frost days.
Has the climate of Jelenia Góra warmed?
Yes: Jelenia Góra warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jelenia Góra?
The wettest day measured in Jelenia Góra between 1940 and 2025 was 13 August 2002, with 85 mm of rain in 24 hours.
What was the windiest day in Jelenia Góra?
The windiest day measured in Jelenia Góra between 1940 and 2025 was 18 January 2007, with winds reaching 50.4 km/h.
What is the warmest month in Jelenia Góra?
The warmest month in Jelenia Góra is July (16.8 °C on average); the coldest is January (-2.7 °C).
How much does it rain in Jelenia Góra?
Jelenia Góra receives on average 867 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Jelenia Góra?
Jelenia Góra gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jelenia Góra?
The heaviest 24-hour snowfall measured in Jelenia Góra between 1940 and 2025 was 18 March 1985, with 19.7 cm.
Are there tropical nights in Jelenia Góra?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Jelenia Góra.
What was the most extreme apparent temperature in Jelenia Góra?
In Jelenia Góra, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 20 August 1943, and the lowest was -35.7 °C on 9 February 1956.
Compare Jelenia Góra with another city
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Nearby cities
The climate around Jelenia Góra