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Weather & Climate in Ajdovščina, Slovenia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ajdovščina experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 32°F in January while summers reach 65°F in July. The area gets 190 sunny days per year. Annual precipitation totals 80.4 inches (wetter than the 38-inch national average). The area receives 18.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 338 feet.
Temperature
32°F Jan (-0°C)
65°F Jul (18°C)
| Annual Average | 48.1°F |
| 11% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 190 days/yr |
Geography
| Elevation | 338 ft (103 m) |
| Area | 2.7 sq mi (7.0 km²) |
| Population Density | 2,534/sq mi |
| Coordinates | 45.8860°N, 13.9095°W |
| Timezone | Europe/Ljubljana |
Precipitation & Snow
Air Quality
Earthquake History
1,104 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 | 45 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 50 km | 8 km |
| Mar 13, 1998 | 4 km NW of Ilirska Bistrica, Slovenia | M5.2 | 40 km | 10 km |
| May 29, 1993 | 1 km SE of ?rnomelj, Slovenia | M5.1 | 107 km | 15 km |
| May 22, 1995 | 6 km NNW of Ilirska Bistrica, Slovenia | M4.9 | 39 km | 27 km |
| Feb 5, 2007 | 11 km ESE of Novi Vinodolski, Croatia | M4.9 | 118 km | 10 km |
| Nov 11, 1990 | 5 km ENE of Cerkno, Slovenia | M4.7 | 30 km | 22 km |
| Feb 16, 2023 | 3 km W of Baška, Croatia | M4.7 | 120 km | 10 km |
| Feb 14, 2002 | 4 km SSW of Moggio di Sotto, Italy | M4.7 | 79 km | 10 km |
| Jul 21, 2003 | 3 km WNW of Niederwölz, Austria | M4.7 | 145 km | 10 km |
| Jun 2, 2002 | 6 km SSE of Pivka, Slovenia | M4.6 | 38 km | 10 km |
| Jan 17, 2003 | 4 km SSE of Punat, Croatia | M4.6 | 116 km | 10 km |
| May 6, 1998 | 6 km NNW of Tolmin, Slovenia | M4.6 | 42 km | 10 km |
| Oct 5, 1991 | 0 km W of Nimis, Italy | M4.5 | 61 km | 10 km |
| Jun 9, 2012 | 5 km NE of Lamosano, Italy | M4.5 | 119 km | 7 km |
| May 28, 1998 | 3 km WSW of Osoppo, Italy | M4.5 | 78 km | 10 km |
| Apr 22, 2014 | 7 km SE of Pivka, Slovenia | M4.5 | 39 km | 5 km |
| May 13, 1999 | 2 km NW of Clodig, Italy | M4.4 | 42 km | 10 km |
| Jan 30, 2015 | 4 km W of Moggio di Sotto, Italy | M4.4 | 83 km | 6 km |
| Mar 13, 2014 | 9 km E of Ribnica, Slovenia | M4.4 | 74 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 235.0 m (771 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | VAJONT DAM, VAJONT RIVER | Meteorological | 235.0 m | 2,000 | 129 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 5.8 in | Coldest |
| February | 34°F (1°C) | 4.5 in | Driest |
| March | 38°F (3°C) | 5.7 in | |
| April | 45°F (7°C) | 7.1 in | |
| May | 53°F (12°C) | 6.5 in | |
| June | 60°F (16°C) | 7.2 in | |
| July | 65°F (18°C) | 5.2 in | |
| August | 65°F (19°C) | 5.6 in | Warmest |
| September | 59°F (15°C) | 7.2 in | |
| October | 51°F (11°C) | 8.5 in | |
| November | 41°F (5°C) | 9.4 in | Wettest |
| December | 34°F (1°C) | 7.8 in |
Ajdovščina has a seasonal temperature swing of 34°F / from 32°F in January to 65°F in August. Total annual precipitation is 80.4 inches, with November being the wettest month (9.4") and February the driest (4.5").