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Weather & Climate in Irsta, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Irsta has a cool climate with an average annual temperature of 43°F (6°C). Winters average 26°F in January while summers reach 62°F in July. The area gets 295 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 22.7 inches (drier than the 38-inch national average). The area receives 7.9 inches of snow annually. The city sits at an elevation of 102 feet.
Temperature
26°F Jan (-4°C)
62°F Jul (17°C)
| Annual Average | 42.7°F |
| 21% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 8,174/sq mi |
| Coordinates | 59.7000°N, 16.9333°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Dec 12, 1990 | 11 km NW of Irsta, Sweden | M3.9 | 12 km | 10 km |
| Apr 11, 1993 | 2 km NNE of Ludvika, Sweden | M3.7 | 109 km | 10 km |
| Apr 5, 1995 | 9 km N of Åkersberga, Sweden | M2.7 | 79 km | 15 km |
| Mar 30, 1995 | 11 km SSW of Norrtälje, Sweden | M2.7 | 97 km | 10 km |
| May 15, 1994 | 13 km NNW of Ryd, Sweden | M2.6 | 149 km | 5 km |
| Apr 3, 1995 | 14 km NE of Åkersberga, Sweden | M2.6 | 86 km | 10 km |
| Apr 5, 1995 | 6 km NNE of Åkersberga, Sweden | M2.5 | 81 km | 10 km |
| May 12, 2005 | 6 km E of Dalarö, Sweden | M2.5 | 109 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 1.5 in | |
| February | 25°F (-4°C) | 1.1 in | Coldest, Driest |
| March | 32°F (-0°C) | 1.4 in | |
| April | 40°F (5°C) | 1.4 in | |
| May | 51°F (11°C) | 1.3 in | |
| June | 58°F (15°C) | 2.3 in | |
| July | 62°F (17°C) | 2.8 in | Warmest, Wettest |
| August | 60°F (16°C) | 2.5 in | |
| September | 52°F (11°C) | 2.4 in | |
| October | 43°F (6°C) | 2.1 in | |
| November | 35°F (1°C) | 2.2 in | |
| December | 28°F (-2°C) | 1.7 in |
Irsta has a seasonal temperature swing of 37°F / from 25°F in February to 62°F in July. Total annual precipitation is 22.7 inches, with July being the wettest month (2.8") and February the driest (1.1").