Tervakoski, Finland

Full City Profile

4,753 Population 18/sq mi density

276 ft Elevation 84 meters

39°F Avg Temperature 4°C

Tervakoski has a cool climate with an average annual temperature of 39°F (4°C). Winters average 20°F in January while summers reach 61°F in July. The area gets 291 sunny days per year. Annual precipitation totals 24.8 inches. The area receives 8.8 inches of snow annually.

Temperature

20°F Jan (-7°C) 61°F Jul (16°C)

Annual Average	39.4°F
	27% below US avg
January Average	20°F (-7°C)
July Average	61°F (16°C)
Sunny Days	291 days/yr

Geography

Elevation	276 ft (84 m)
Area	259.0 sq mi (670.8 km²)
Population Density	18/sq mi
Coordinates	60.8141°N, 24.6259°W
Timezone	Europe/Helsinki

Precipitation & Snow

Annual Rainfall 24.8"

35% below US avg

Snowfall 8.8"

Wettest Month (Aug) 3.15"

Driest Month (Feb) 1.30"

Air Quality

Earthquake History

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

May 12, 2005	28 km SE of Hanko, Finland	M2.7	145 km
Mar 19, 2011	Finland	M2.6	46 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	20°F (-7°C)	1.8 in
February	19°F (-7°C)	1.3 in	Coldest, Driest
March	27°F (-3°C)	1.5 in
April	37°F (3°C)	1.4 in
May	49°F (10°C)	1.3 in
June	58°F (14°C)	2.1 in
July	61°F (16°C)	3.1 in	Warmest
August	58°F (14°C)	3.2 in	Wettest
September	48°F (9°C)	2.4 in
October	40°F (4°C)	2.5 in
November	31°F (-1°C)	2.3 in
December	24°F (-4°C)	2.0 in

Tervakoski has a seasonal temperature swing of 42°F / from 19°F in February to 61°F in July. Total annual precipitation is 24.8 inches, with August being the wettest month (3.2") and February the driest (1.3").

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