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Weather & Climate in Kostel, Slovenia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kostel experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 30°F in January while summers reach 64°F in July. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 55.4 inches (wetter than the 38-inch national average). The area receives 10.9 inches of snow annually. The city sits at an elevation of 1,171 feet.
Temperature
30°F Jan (-1°C)
64°F Jul (18°C)
| Annual Average | 46.8°F |
| 13% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 1,171 ft (357 m) |
| Area | 21.7 sq mi (56.1 km²) |
| Population Density | 29/sq mi |
| Coordinates | 45.5084°N, 14.9092°W |
| Timezone | Europe/Ljubljana |
Precipitation & Snow
Air Quality
Earthquake History
1,015 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Apr 12, 1998 | 5 km E of Kobarid, Slovenia | M5.6 | 127 km | 10 km |
| Mar 22, 2020 | 5 km E of Gornja Bistra, Croatia | M5.3 | 94 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 132 km | 8 km |
| Mar 13, 1998 | 4 km NW of Ilirska Bistrica, Slovenia | M5.2 | 56 km | 10 km |
| May 29, 1993 | 1 km SE of ?rnomelj, Slovenia | M5.1 | 24 km | 15 km |
| May 22, 1995 | 6 km NNW of Ilirska Bistrica, Slovenia | M4.9 | 54 km | 27 km |
| Jun 1, 1993 | Slovenia-Hungary-Croatia border region | M4.9 | 141 km | 30 km |
| Feb 5, 2007 | 11 km ESE of Novi Vinodolski, Croatia | M4.9 | 45 km | 10 km |
| Sep 3, 1990 | 1 km ENE of Donja Bistra, Croatia | M4.8 | 87 km | 20 km |
| Mar 26, 1996 | 6 km NW of Starigrad, Croatia | M4.7 | 136 km | 33 km |
| Nov 11, 1990 | 5 km ENE of Cerkno, Slovenia | M4.7 | 96 km | 22 km |
| Jan 6, 2021 | 3 km W of Petrinja, Croatia | M4.7 | 104 km | 10 km |
| Apr 6, 2021 | 16 km NNW of Dvor, Croatia | M4.7 | 112 km | 10 km |
| Feb 16, 2023 | 3 km W of Baška, Croatia | M4.7 | 63 km | 10 km |
| Jan 17, 2003 | 4 km SSE of Punat, Croatia | M4.6 | 62 km | 10 km |
| Mar 22, 2020 | 6 km E of Gornja Bistra, Croatia | M4.6 | 94 km | 10 km |
| Aug 16, 2021 | 6 km NW of Petrinja, Croatia | M4.6 | 103 km | 10 km |
| Feb 11, 2025 | 5 km NE of Starigrad, Croatia | M4.6 | 140 km | 10 km |
| May 6, 1998 | 6 km NNW of Tolmin, Slovenia | M4.6 | 123 km | 10 km |
| Jun 2, 2002 | 6 km SSE of Pivka, Slovenia | M4.6 | 55 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.1 in | Coldest, Driest |
| February | 32°F (0°C) | 3.3 in | |
| March | 39°F (4°C) | 4.1 in | |
| April | 46°F (8°C) | 4.6 in | |
| May | 54°F (12°C) | 4.2 in | |
| June | 60°F (16°C) | 5.3 in | |
| July | 64°F (18°C) | 4.3 in | Warmest |
| August | 63°F (17°C) | 4.7 in | |
| September | 56°F (13°C) | 5.3 in | |
| October | 48°F (9°C) | 6.1 in | |
| November | 39°F (4°C) | 6.1 in | Wettest |
| December | 31°F (-0°C) | 4.5 in |
Kostel has a seasonal temperature swing of 34°F / from 30°F in January to 64°F in July. Total annual precipitation is 55.4 inches, with November being the wettest month (6.1") and January the driest (3.1").