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Weather & Climate in Janja, Bosnia and Herzegovina
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Janja experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 33°F in January while summers reach 70°F in July. The area gets 278 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 32.1 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 344 feet.
Temperature
33°F Jan (1°C)
70°F Jul (21°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 344 ft (105 m) |
| Area | 346.9 sq mi (898.5 km²) |
| Population Density | 16/sq mi |
| Coordinates | 44.6655°N, 19.2469°W |
| Timezone | Europe/Sarajevo |
Precipitation & Snow
Air Quality
Earthquake History
259 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.5.
| Sep 29, 1998 | 12 km W of Ljig, Serbia | M5.5 | 83 km | 10 km |
| Apr 30, 1999 | 14 km WSW of Ljig, Serbia | M5.4 | 85 km | 14 km |
| Aug 25, 1995 | 5 km NW of Požega, Croatia | M4.9 | 149 km | 24 km |
| Apr 29, 1991 | 6 km SSW of Mili?i, Bosnia and Herzegovina | M4.8 | 63 km | 19 km |
| Aug 30, 2019 | 6 km NNW of Mramor, Bosnia and Herzegovina | M4.8 | 57 km | 7 km |
| Mar 22, 2006 | 23 km SSW of Ljig, Serbia | M4.8 | 98 km | 10 km |
| Jun 7, 1992 | 11 km S of Sokolac, Bosnia and Herzegovina | M4.7 | 98 km | 11 km |
| Jun 3, 1990 | 8 km NNE of Maslovare, Bosnia and Herzegovina | M4.6 | 132 km | 10 km |
| Feb 26, 1998 | 6 km W of ?e?ava, Bosnia and Herzegovina | M4.6 | 124 km | 23 km |
| Jul 27, 2012 | 4 km SSW of Zenica, Bosnia and Herzegovina | M4.5 | 122 km | 10 km |
| May 19, 2023 | 5 km E of Srebrenik, Bosnia and Herzegovina | M4.5 | 55 km | 10 km |
| Mar 8, 2015 | 16 km S of Valjevo, Serbia | M4.4 | 81 km | 9 km |
| May 11, 2006 | 19 km NW of ?a?ak, Serbia | M4.4 | 104 km | 10 km |
| Oct 7, 2016 | 1 km NNW of Piškorevci, Croatia | M4.4 | 94 km | 10 km |
| Oct 19, 1992 | 9 km W of Olovo, Bosnia and Herzegovina | M4.4 | 87 km | 10 km |
| Feb 19, 2024 | 11 km NNE of Hotonj, Bosnia and Herzegovina | M4.3 | 99 km | 10 km |
| Jul 21, 2019 | 4 km SW of Srebrenik, Bosnia and Herzegovina | M4.2 | 64 km | 10 km |
| Jul 30, 2012 | 3 km N of Lokvine, Bosnia and Herzegovina | M4.2 | 120 km | 12 km |
| Aug 18, 1993 | 6 km SSW of Maslovare, Bosnia and Herzegovina | M4.2 | 139 km | 10 km |
| Jul 21, 2019 | 8 km SSE of ?ajni?e, Bosnia and Herzegovina | M4.2 | 131 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) | 2.1 in | Coldest |
| February | 37°F (3°C) | 1.8 in | Driest |
| March | 44°F (7°C) | 2.1 in | |
| April | 52°F (11°C) | 2.6 in | |
| May | 62°F (16°C) | 3.0 in | |
| June | 67°F (19°C) | 4.2 in | Wettest |
| July | 70°F (21°C) | 3.3 in | Warmest |
| August | 70°F (21°C) | 2.8 in | |
| September | 62°F (17°C) | 2.4 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 43°F (6°C) | 2.8 in | |
| December | 36°F (2°C) | 2.4 in |
Janja has a seasonal temperature swing of 37°F / from 33°F in January to 70°F in July. Total annual precipitation is 32.1 inches, with June being the wettest month (4.2") and February the driest (1.8").