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Weather & Climate in Opatija, Croatia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Opatija has a cool climate with an average annual temperature of 43°F (6°C). Winters average 28°F in January while summers reach 60°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 110.3 inches (wetter than the 38-inch national average). The area receives 109.2 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 105 feet.
Temperature
28°F Jan (-2°C)
60°F Jul (16°C)
| Annual Average | 42.9°F |
| 21% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 105 ft (32 m) |
| Area | 4.4 sq mi (11.5 km²) |
| Population Density | 1,284/sq mi |
| Coordinates | 45.3366°N, 14.3078°W |
| Timezone | Europe/Zagreb |
Precipitation & Snow
Air Quality
Earthquake History
972 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 | 113 km | 10 km |
| Mar 22, 2020 | 5 km E of Gornja Bistra, Croatia | M5.3 | 144 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 119 km | 8 km |
| Mar 13, 1998 | 4 km NW of Ilirska Bistrica, Slovenia | M5.2 | 30 km | 10 km |
| May 29, 1993 | 1 km SE of ?rnomelj, Slovenia | M5.1 | 74 km | 15 km |
| May 22, 1995 | 6 km NNW of Ilirska Bistrica, Slovenia | M4.9 | 32 km | 27 km |
| Feb 5, 2007 | 11 km ESE of Novi Vinodolski, Croatia | M4.9 | 55 km | 10 km |
| Sep 3, 1990 | 1 km ENE of Donja Bistra, Croatia | M4.8 | 138 km | 20 km |
| Nov 11, 1990 | 5 km ENE of Cerkno, Slovenia | M4.7 | 91 km | 22 km |
| Feb 14, 2002 | 4 km SSW of Moggio di Sotto, Italy | M4.7 | 145 km | 10 km |
| Mar 26, 1996 | 6 km NW of Starigrad, Croatia | M4.7 | 140 km | 33 km |
| Feb 16, 2023 | 3 km W of Baška, Croatia | M4.7 | 52 km | 10 km |
| Mar 22, 2020 | 6 km E of Gornja Bistra, Croatia | M4.6 | 145 km | 10 km |
| Jun 2, 2002 | 6 km SSE of Pivka, Slovenia | M4.6 | 33 km | 10 km |
| Feb 11, 2025 | 5 km NE of Starigrad, Croatia | M4.6 | 147 km | 10 km |
| Jan 17, 2003 | 4 km SSE of Punat, Croatia | M4.6 | 48 km | 10 km |
| May 6, 1998 | 6 km NNW of Tolmin, Slovenia | M4.6 | 110 km | 10 km |
| Oct 5, 1991 | 0 km W of Nimis, Italy | M4.5 | 126 km | 10 km |
| Apr 22, 2014 | 7 km SE of Pivka, Slovenia | M4.5 | 33 km | 5 km |
| May 28, 1998 | 3 km WSW of Osoppo, Italy | M4.5 | 141 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 4.5 in | Coldest |
| February | 36°F (2°C) | 3.8 in | |
| March | 39°F (4°C) | 4.5 in | |
| April | 46°F (8°C) | 5.0 in | |
| May | 54°F (12°C) | 4.5 in | |
| June | 61°F (16°C) | 5.3 in | |
| July | 60°F (16°C) | 3.7 in | Driest |
| August | 66°F (19°C) | 4.5 in | Warmest |
| September | 59°F (15°C) | 5.4 in | |
| October | 52°F (11°C) | 6.6 in | |
| November | 43°F (6°C) | 7.3 in | Wettest |
| December | 36°F (2°C) | 5.9 in |
Opatija has a seasonal temperature swing of 38°F / from 28°F in January to 66°F in August. Total annual precipitation is 60.8 inches, with November being the wettest month (7.3") and July the driest (3.7").