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Weather & Climate in Kostajnica, Bosnia and Herzegovina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kostajnica experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 33°F in January while summers reach 69°F in July. The area gets 266 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 38.7 inches. The area receives 5.5 inches of snow annually. The city sits at an elevation of 367 feet.
Temperature
33°F Jan (1°C)
69°F Jul (21°C)
| Annual Average | 51.9°F |
| 4% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 367 ft (112 m) |
| Area | 3,286.5 sq mi (8,512.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | 45.2196°N, 16.5393°W |
| Timezone | Europe/Sarajevo |
Precipitation & Snow
Air Quality
Earthquake History
580 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Mar 22, 2020 | 5 km E of Gornja Bistra, Croatia | M5.3 | 88 km | 10 km |
| May 29, 1993 | 1 km SE of ?rnomelj, Slovenia | M5.1 | 111 km | 15 km |
| Nov 27, 1990 | 14 km N of Hrvace, Croatia | M5.1 | 148 km | 10 km |
| Jun 1, 1993 | Slovenia-Hungary-Croatia border region | M4.9 | 105 km | 30 km |
| Feb 20, 1996 | 11 km W of Kneževo, Bosnia and Herzegovina | M4.9 | 97 km | 10 km |
| Aug 25, 1995 | 5 km NW of Požega, Croatia | M4.9 | 88 km | 24 km |
| Feb 5, 2007 | 11 km ESE of Novi Vinodolski, Croatia | M4.9 | 127 km | 10 km |
| Sep 3, 1990 | 1 km ENE of Donja Bistra, Croatia | M4.8 | 93 km | 20 km |
| Jan 6, 2021 | 3 km W of Petrinja, Croatia | M4.7 | 33 km | 10 km |
| Feb 16, 2023 | 3 km W of Baška, Croatia | M4.7 | 147 km | 10 km |
| Mar 26, 1996 | 6 km NW of Starigrad, Croatia | M4.7 | 134 km | 33 km |
| Apr 6, 2021 | 16 km NNW of Dvor, Croatia | M4.7 | 21 km | 10 km |
| Aug 16, 2021 | 6 km NW of Petrinja, Croatia | M4.6 | 37 km | 10 km |
| Jun 3, 1990 | 8 km NNE of Maslovare, Bosnia and Herzegovina | M4.6 | 104 km | 10 km |
| Feb 26, 1998 | 6 km W of ?e?ava, Bosnia and Herzegovina | M4.6 | 108 km | 23 km |
| Feb 11, 2025 | 5 km NE of Starigrad, Croatia | M4.6 | 129 km | 10 km |
| Mar 22, 2020 | 6 km E of Gornja Bistra, Croatia | M4.6 | 88 km | 10 km |
| Dec 13, 1995 | 9 km W of Živinice, Bosnia and Herzegovina | M4.6 | 95 km | 10 km |
| Mar 7, 2019 | 3 km SSW of Böhönye, Hungary | M4.5 | 144 km | 10 km |
| May 10, 2003 | 9 km NNW of Livno, Bosnia and Herzegovina | M4.5 | 150 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 2.4 in | Coldest |
| February | 36°F (2°C) | 2.3 in | Driest |
| March | 44°F (7°C) | 2.7 in | |
| April | 52°F (11°C) | 3.2 in | |
| May | 60°F (16°C) | 3.4 in | |
| June | 66°F (19°C) | 3.8 in | |
| July | 69°F (21°C) | 3.5 in | Warmest |
| August | 69°F (20°C) | 3.5 in | |
| September | 62°F (17°C) | 3.4 in | |
| October | 53°F (12°C) | 3.5 in | |
| November | 43°F (6°C) | 3.8 in | Wettest |
| December | 36°F (2°C) | 3.1 in |
Kostajnica has a seasonal temperature swing of 36°F / from 33°F in January to 69°F in July. Total annual precipitation is 38.7 inches, with November being the wettest month (3.8") and February the driest (2.3").