Forssa, Finland

Full City Profile

16,368 Population 122/sq mi density

436 ft Elevation 133 meters

40°F Avg Temperature 4°C

Forssa has a cool climate with an average annual temperature of 40°F (4°C). Winters average 21°F in January while summers reach 61°F in July. The area gets 291 sunny days per year. Annual precipitation totals 25.0 inches. The area receives 8.8 inches of snow annually.

Temperature

21°F Jan (-6°C) 61°F Jul (16°C)

Annual Average	39.7°F
	26% below US avg
January Average	21°F (-6°C)
July Average	61°F (16°C)
Sunny Days	291 days/yr

Geography

Elevation	436 ft (133 m)
Area	134.1 sq mi (347.3 km²)
Population Density	122/sq mi
Coordinates	60.8146°N, 23.6215°W
Timezone	Europe/Helsinki

Precipitation & Snow

Annual Rainfall 25.0"

34% below US avg

Snowfall 8.8"

Wettest Month (Jul) 3.23"

Driest Month (Feb) 1.26"

Air Quality

Earthquake History

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M2.7. Most recent: M2.6 on Mar 19, 2011.

May 12, 2005	29 km SSE of Hanko, Finland	M2.7	139 km
May 12, 2005	28 km SSE of Hanko, Finland	M2.7	136 km
May 12, 2005	28 km SE of Hanko, Finland	M2.7	128 km
May 24, 1995	8 km ENE of Nagu, Finland	M2.7	108 km
Mar 9, 2005	Baltic Sea	M2.6	147 km
Mar 9, 2005	30 km SSW of Dragsfjärd, Finland	M2.6	134 km
Mar 19, 2011	Finland	M2.6	95 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	21°F (-6°C)	1.8 in
February	20°F (-7°C)	1.3 in	Coldest, Driest
March	27°F (-3°C)	1.3 in
April	37°F (3°C)	1.4 in
May	49°F (10°C)	1.4 in
June	58°F (14°C)	2.2 in
July	61°F (16°C)	3.2 in	Warmest, Wettest
August	58°F (14°C)	3.1 in
September	49°F (9°C)	2.4 in
October	40°F (5°C)	2.5 in
November	31°F (-0°C)	2.4 in
December	25°F (-4°C)	2.0 in

Forssa has a seasonal temperature swing of 41°F / from 20°F in February to 61°F in July. Total annual precipitation is 25.0 inches, with July being the wettest month (3.2") and February the driest (1.3").

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