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Weather & Climate in Tjällmo, Sweden
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tjällmo has a cool climate with an average annual temperature of 43°F (6°C). Winters average 27°F in January while summers reach 62°F in July. The area gets 288 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 26.2 inches (drier than the 38-inch national average). The area receives 9.9 inches of snow annually. The city sits at an elevation of 203 feet.
Temperature
27°F Jan (-3°C)
62°F Jul (16°C)
| Annual Average | 43.1°F |
| 20% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 62°F (16°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 203 ft (62 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 1,619/sq mi |
| Coordinates | 58.7167°N, 15.3500°W |
| Timezone | Europe/Stockholm |
Precipitation & Snow
Air Quality
Earthquake History
4 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 | 145 km | 10 km |
| Feb 1, 1995 | 11 km SSW of Töreboda, Sweden | M3.4 | 78 km | 10 km |
| Jun 23, 2018 | 2 km SW of Götene, Sweden | M2.8 | 111 km | 10 km |
| May 15, 1994 | 13 km NNW of Ryd, Sweden | M2.6 | 20 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1969 | NORSALV RIVER | Meteorological | 5.0 m | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.0 in | |
| February | 27°F (-3°C) | 1.3 in | Coldest, Driest |
| March | 33°F (0°C) | 1.6 in | |
| April | 40°F (4°C) | 1.7 in | |
| May | 51°F (11°C) | 1.5 in | |
| June | 58°F (15°C) | 2.4 in | |
| July | 62°F (16°C) | 2.9 in | Warmest, Wettest |
| August | 60°F (15°C) | 2.5 in | |
| September | 52°F (11°C) | 2.8 in | |
| October | 44°F (7°C) | 2.5 in | |
| November | 35°F (2°C) | 2.6 in | |
| December | 30°F (-1°C) | 2.4 in |
Tjällmo has a seasonal temperature swing of 35°F / from 27°F in February to 62°F in July. Total annual precipitation is 26.2 inches, with July being the wettest month (2.9") and February the driest (1.3").