Derventa climate — normals and trends
Derventa (Bosnia and Herzegovina) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 779 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 (22.0 °C on average) and the coldest is January (-0.1 °C). Rainfall peaks in June.
Derventa averages 74 frost days, 26 hot days (≥ 30 °C) and 121 rainy days per year.
Derventa 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 95 to 53 per year over the period.
The hottest day of the period reached 40.6 °C (on 24 August 2012) and the coldest -28.2 °C (on 22 January 1940).
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
DerventaRepublika Srpska
- coords
- 44.98°, 17.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.6°C
Average daily high
16.4°C
Average daily low
7.2°C
Annual rainfall
779mm
Sunshine / day
8.7h
Mean relative humidity
75%
Average peak wind
11.3km/h
Seasonal range
22.1°C
Frost days (< 0 °C)
74 d/yr
Hot days (≥ 30 °C)
26 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
66.2 cm
Average feels-like high
15.3 °C
Average feels-like low
5.4 °C
Average peak gust
25.5 km/h
Tropical nights (≥ 20 °C)
8 d/yr
Solar radiation
13.1 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
40.6 °C
24 August 2012
Coldest day
-28.2 °C
22 January 1940
Wettest day
63 mm
20 August 2015
Windiest day
39.9 km/h
6 November 1985
Strongest gust
80.3 km/h
6 November 1985
Hottest feels-like
42.9 °C
16 July 2024
Coldest feels-like
-33.5 °C
22 January 1940
Snowiest day
23.9 cm
23 December 2024
Sunniest day
14.9 h
23 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 | 7.5 °C | +4.1 °C | 39 mm | -15 mm |
| Feb | 7.1 °C | +0.6 °C | 48 mm | -6 mm |
| Mar | 15.9 °C | +4.0 °C | 131 mm | +71 mm |
| Apr | 19.9 °C | +2.8 °C | 62 mm | -9 mm |
| May | 21.6 °C | -0.1 °C | 102 mm | +25 mm |
| Jun | 30.2 °C | +4.9 °C | 4 mm | -78 mm |
| Jul | 29.8 °C | +2.3 °C | 50 mm | -21 mm |
| Aug | 29.9 °C | +2.3 °C | 38 mm | -20 mm |
| Sep | 26.2 °C | +2.9 °C | 32 mm | -29 mm |
| Oct | 17.7 °C | +0.3 °C | 53 mm | -2 mm |
| Nov | 12.1 °C | +1.7 °C | 87 mm | +17 mm |
| Dec | 6.3 °C | +1.4 °C | 28 mm | -38 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 Derventa?
Derventa has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 779 mm of precipitation per year.
What is the hottest day ever recorded in Derventa?
The hottest day measured in Derventa between 1940 and 2025 was 24 August 2012, reaching 40.6 °C.
What is the coldest day in Derventa?
The coldest day measured in Derventa between 1940 and 2025 was 22 January 1940, at -28.2 °C.
Does it snow in Derventa?
Yes. Derventa gets on average 66.2 cm of snow per year and has around 74 frost days.
Has the climate of Derventa warmed?
Yes: Derventa warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Derventa?
The wettest day measured in Derventa between 1940 and 2025 was 20 August 2015, with 63 mm of rain in 24 hours.
What was the windiest day in Derventa?
The windiest day measured in Derventa between 1940 and 2025 was 6 November 1985, with winds reaching 39.9 km/h.
What is the warmest month in Derventa?
The warmest month in Derventa is July (22.0 °C on average); the coldest is January (-0.1 °C).
How much does it rain in Derventa?
Derventa receives on average 779 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Derventa?
Derventa gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Derventa?
The heaviest 24-hour snowfall measured in Derventa between 1940 and 2025 was 23 December 2024, with 23.9 cm.
Are there tropical nights in Derventa?
Yes: Derventa has on average 8 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Derventa?
In Derventa, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 16 July 2024, and the lowest was -33.5 °C on 22 January 1940.
Compare Derventa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Derventa