Trebinje climate — normals and trends
Trebinje (Bosnia and Herzegovina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.8 °C and it receives 1,633 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 (21.8 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in November.
Trebinje averages 25 frost days, 4 hot days (≥ 30 °C) and 131 rainy days per year.
Trebinje has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 40 to 10 per year over the period.
The hottest day of the period reached 33.7 °C (on 24 August 2007) and the coldest -16.6 °C (on 30 December 1941).
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
TrebinjeRepublika Srpska
- coords
- 42.71°, 18.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.8°C
Average daily high
16.1°C
Average daily low
9.6°C
Annual rainfall
1,633mm
Sunshine / day
9.8h
Mean relative humidity
73%
Average peak wind
15.0km/h
Seasonal range
17.7°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
40.6 cm
Average feels-like high
15.1 °C
Average feels-like low
7.6 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.56 · 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
33.7 °C
24 August 2007
Coldest day
-16.6 °C
30 December 1941
Wettest day
128 mm
16 September 1972
Windiest day
52.9 km/h
13 December 1957
Strongest gust
123.8 km/h
13 December 1957
Hottest feels-like
38.1 °C
18 July 2024
Coldest feels-like
-21.7 °C
24 January 1942
Snowiest day
15.3 cm
14 February 1994
Sunniest day
14.6 h
21 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 | 10.3 °C | +3.3 °C | 120 mm | -42 mm |
| Feb | 10.0 °C | +1.8 °C | 99 mm | -68 mm |
| Mar | 13.4 °C | +2.4 °C | 313 mm | +167 mm |
| Apr | 16.2 °C | +1.8 °C | 69 mm | -69 mm |
| May | 19.1 °C | +0.4 °C | 96 mm | -6 mm |
| Jun | 27.4 °C | +4.8 °C | 6 mm | -61 mm |
| Jul | 27.9 °C | +2.5 °C | 65 mm | +24 mm |
| Aug | 27.4 °C | +1.7 °C | 109 mm | +55 mm |
| Sep | 24.2 °C | +2.2 °C | 171 mm | +56 mm |
| Oct | 16.5 °C | -1.0 °C | 101 mm | -81 mm |
| Nov | 13.7 °C | +1.2 °C | 332 mm | +75 mm |
| Dec | 11.0 °C | +2.5 °C | 60 mm | -142 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 Trebinje?
Trebinje has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.8 °C and it receives 1,633 mm of precipitation per year.
What is the hottest day ever recorded in Trebinje?
The hottest day measured in Trebinje between 1940 and 2025 was 24 August 2007, reaching 33.7 °C.
What is the coldest day in Trebinje?
The coldest day measured in Trebinje between 1940 and 2025 was 30 December 1941, at -16.6 °C.
Does it snow in Trebinje?
Yes. Trebinje gets on average 40.6 cm of snow per year and has around 25 frost days.
Has the climate of Trebinje warmed?
Yes: Trebinje warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trebinje?
The wettest day measured in Trebinje between 1940 and 2025 was 16 September 1972, with 128 mm of rain in 24 hours.
What was the windiest day in Trebinje?
The windiest day measured in Trebinje between 1940 and 2025 was 13 December 1957, with winds reaching 52.9 km/h.
What is the warmest month in Trebinje?
The warmest month in Trebinje is July (21.8 °C on average); the coldest is January (4.1 °C).
How much does it rain in Trebinje?
Trebinje receives on average 1,633 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Trebinje?
Trebinje gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Trebinje?
The heaviest 24-hour snowfall measured in Trebinje between 1940 and 2025 was 14 February 1994, with 15.3 cm.
Are there tropical nights in Trebinje?
Yes: Trebinje has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Trebinje?
In Trebinje, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 18 July 2024, and the lowest was -21.7 °C on 24 January 1942.
Compare Trebinje with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Trebinje