Debrecen climate — normals and trends
Debrecen (Hungary) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.2 °C and it receives 613 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 (22.3 °C on average) and the coldest is January (-1.2 °C). Rainfall peaks in June.
Debrecen averages 79 frost days, 26 hot days (≥ 30 °C) and 111 rainy days per year.
Debrecen has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 65 per year over the period.
The hottest day of the period reached 40.2 °C (on 23 July 2022) and the coldest -26.6 °C (on 24 January 1942).
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
DebrecenHajdú-Bihar
- coords
- 47.53°, 21.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.2°C
Average daily high
15.7°C
Average daily low
7.1°C
Annual rainfall
613mm
Sunshine / day
8.6h
Mean relative humidity
71%
Average peak wind
14.2km/h
Seasonal range
23.5°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
26 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
36.4 cm
Average feels-like high
13.8 °C
Average feels-like low
4.7 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
12.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
40.2 °C
23 July 2022
Coldest day
-26.6 °C
24 January 1942
Wettest day
59 mm
13 August 2017
Windiest day
39.3 km/h
13 October 2009
Strongest gust
82.8 km/h
29 January 2007
Hottest feels-like
40.3 °C
23 July 2022
Coldest feels-like
-31.4 °C
24 January 1942
Snowiest day
16.8 cm
10 February 1999
Sunniest day
15.0 h
25 May 1940
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 | 5.4 °C | +3.8 °C | 26 mm | -9 mm |
| Feb | 5.0 °C | +0.3 °C | 15 mm | -24 mm |
| Mar | 13.9 °C | +3.4 °C | 72 mm | +32 mm |
| Apr | 18.4 °C | +1.6 °C | 28 mm | -24 mm |
| May | 19.1 °C | -2.8 °C | 80 mm | +13 mm |
| Jun | 28.9 °C | +3.5 °C | 7 mm | -69 mm |
| Jul | 28.5 °C | +0.9 °C | 70 mm | +5 mm |
| Aug | 28.6 °C | +1.0 °C | 42 mm | -11 mm |
| Sep | 24.2 °C | +1.3 °C | 61 mm | +14 mm |
| Oct | 15.0 °C | -1.5 °C | 31 mm | -12 mm |
| Nov | 10.0 °C | +1.0 °C | 58 mm | +8 mm |
| Dec | 5.7 °C | +2.3 °C | 4 mm | -42 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 Debrecen?
Debrecen has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.2 °C and it receives 613 mm of precipitation per year.
What is the hottest day ever recorded in Debrecen?
The hottest day measured in Debrecen between 1940 and 2025 was 23 July 2022, reaching 40.2 °C.
What is the coldest day in Debrecen?
The coldest day measured in Debrecen between 1940 and 2025 was 24 January 1942, at -26.6 °C.
Does it snow in Debrecen?
Yes. Debrecen gets on average 36.4 cm of snow per year and has around 79 frost days.
Has the climate of Debrecen warmed?
Yes: Debrecen warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Debrecen?
The wettest day measured in Debrecen between 1940 and 2025 was 13 August 2017, with 59 mm of rain in 24 hours.
What was the windiest day in Debrecen?
The windiest day measured in Debrecen between 1940 and 2025 was 13 October 2009, with winds reaching 39.3 km/h.
What is the warmest month in Debrecen?
The warmest month in Debrecen is July (22.3 °C on average); the coldest is January (-1.2 °C).
How much does it rain in Debrecen?
Debrecen receives on average 613 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Debrecen?
Debrecen gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Debrecen?
The heaviest 24-hour snowfall measured in Debrecen between 1940 and 2025 was 10 February 1999, with 16.8 cm.
Are there tropical nights in Debrecen?
Yes: Debrecen has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Debrecen?
In Debrecen, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 23 July 2022, and the lowest was -31.4 °C on 24 January 1942.
Compare Debrecen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Debrecen