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Somero, Finland

Full City Profile

8,423 Population 23/sq mi density
305 ft Elevation 93 meters
40°F Avg Temperature 4°C
Somero has a cool climate with an average annual temperature of 40°F (4°C). Winters average 22°F in January while summers reach 61°F in July. The area gets 289 sunny days per year. Annual precipitation totals 25.8 inches. The area receives 9.6 inches of snow annually.

Temperature

22°F Jan (-6°C) 61°F Jul (16°C)
Annual Average39.9°F
26% below US avg
January Average22°F (-6°C)
July Average61°F (16°C)
Sunny Days289 days/yr

Geography

Elevation305 ft (93 m)
Area358.6 sq mi (928.9 km²)
Population Density23/sq mi
Coordinates60.6167°N, 23.5333°W
TimezoneEurope/Helsinki

Precipitation & Snow

Annual Rainfall 25.8"
32% below US avg
Snowfall 9.6"
Wettest Month (Jul) 3.15"
Driest Month (Feb) 1.38"

Air Quality

Earthquake History

9 earthquakes (M2.5+) within 150 km since 1990. Strongest: M2.8. Most recent: M2.6 on Mar 19, 2011.

Mar 9, 2005 56 km ESE of Kökar, Aland Islands M2.8 141 km
May 12, 2005 29 km SSE of Hanko, Finland M2.7 116 km
May 12, 2005 28 km SSE of Hanko, Finland M2.7 113 km
May 12, 2005 28 km SE of Hanko, Finland M2.7 106 km
May 24, 1995 8 km ENE of Nagu, Finland M2.7 92 km
Mar 9, 2005 Baltic Sea M2.6 126 km
Mar 9, 2005 30 km SSW of Dragsfjärd, Finland M2.6 113 km
Mar 19, 2011 Finland M2.6 96 km
Mar 9, 2005 49 km SSW of Dragsfjärd, Finland M2.5 131 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 1.9 in
February 20°F (-7°C) 1.4 in Coldest, Driest
March 27°F (-3°C) 1.5 in
April 37°F (3°C) 1.4 in
May 50°F (10°C) 1.4 in
June 58°F (14°C) 2.1 in
July 61°F (16°C) 3.2 in Warmest, Wettest
August 58°F (15°C) 3.1 in
September 49°F (9°C) 2.5 in
October 40°F (5°C) 2.6 in
November 32°F (-0°C) 2.6 in
December 25°F (-4°C) 2.2 in

Somero has a seasonal temperature swing of 41°F / from 20°F in February to 61°F in July. Total annual precipitation is 25.8 inches, with July being the wettest month (3.2") and February the driest (1.4").

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