Otoka climate — normals and trends
Otoka (Bosnia and Herzegovina) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 1,077 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 (20.4 °C on average) and the coldest is January (-0.3 °C). Rainfall peaks in May.
Otoka averages 84 frost days, 17 hot days (≥ 30 °C) and 141 rainy days per year.
Otoka has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 106 to 62 per year over the period.
The hottest day of the period reached 39.5 °C (on 4 August 2017) and the coldest -28.9 °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
OtokaFederation of Bosnia and Herzegovina
- coords
- 44.96°, 16.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
15.3°C
Average daily low
6.1°C
Annual rainfall
1,077mm
Sunshine / day
8.4h
Mean relative humidity
79%
Average peak wind
10.2km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
129.9 cm
Average feels-like high
14.2 °C
Average feels-like low
4.2 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.61 · 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
39.5 °C
4 August 2017
Coldest day
-28.9 °C
24 January 1942
Wettest day
83 mm
13 November 1997
Windiest day
32.4 km/h
27 February 1990
Strongest gust
90.0 km/h
28 December 2020
Hottest feels-like
41.1 °C
17 July 2023
Coldest feels-like
-33.6 °C
24 January 1942
Snowiest day
32.3 cm
4 February 1969
Sunniest day
14.7 h
21 June 2025
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 | 8.1 °C | +4.9 °C | 57 mm | -15 mm |
| Feb | 7.0 °C | +1.2 °C | 75 mm | +1 mm |
| Mar | 14.4 °C | +3.7 °C | 164 mm | +81 mm |
| Apr | 18.3 °C | +2.6 °C | 88 mm | -10 mm |
| May | 20.4 °C | +0.4 °C | 124 mm | +12 mm |
| Jun | 30.0 °C | +6.3 °C | 5 mm | -99 mm |
| Jul | 29.2 °C | +3.1 °C | 76 mm | -13 mm |
| Aug | 28.5 °C | +2.4 °C | 56 mm | -24 mm |
| Sep | 24.6 °C | +2.8 °C | 58 mm | -33 mm |
| Oct | 17.0 °C | +0.9 °C | 75 mm | -9 mm |
| Nov | 11.4 °C | +1.8 °C | 126 mm | +25 mm |
| Dec | 6.0 °C | +1.4 °C | 40 mm | -50 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 Otoka?
Otoka has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 1,077 mm of precipitation per year.
What is the hottest day ever recorded in Otoka?
The hottest day measured in Otoka between 1940 and 2025 was 4 August 2017, reaching 39.5 °C.
What is the coldest day in Otoka?
The coldest day measured in Otoka between 1940 and 2025 was 24 January 1942, at -28.9 °C.
Does it snow in Otoka?
Yes. Otoka gets on average 129.9 cm of snow per year and has around 84 frost days.
Has the climate of Otoka warmed?
Yes: Otoka warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Otoka?
The wettest day measured in Otoka between 1940 and 2025 was 13 November 1997, with 83 mm of rain in 24 hours.
What was the windiest day in Otoka?
The windiest day measured in Otoka between 1940 and 2025 was 27 February 1990, with winds reaching 32.4 km/h.
What is the warmest month in Otoka?
The warmest month in Otoka is July (20.4 °C on average); the coldest is January (-0.3 °C).
How much does it rain in Otoka?
Otoka receives on average 1,077 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Otoka?
Otoka gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Otoka?
The heaviest 24-hour snowfall measured in Otoka between 1940 and 2025 was 4 February 1969, with 32.3 cm.
Are there tropical nights in Otoka?
Yes: Otoka has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Otoka?
In Otoka, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 17 July 2023, and the lowest was -33.6 °C on 24 January 1942.
Compare Otoka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Otoka