Lieto, Finland

Full City Profile

20,694 Population 139/sq mi density

49 ft Elevation 15 meters

41°F Avg Temperature 5°C

Lieto has a cool climate with an average annual temperature of 41°F (5°C). Winters average 23°F in January while summers reach 62°F in July. The area gets 289 sunny days per year. Annual precipitation totals 26.1 inches. The area receives 9.8 inches of snow annually.

Temperature

23°F Jan (-5°C) 62°F Jul (16°C)

Annual Average	40.8°F
	24% below US avg
January Average	23°F (-5°C)
July Average	62°F (16°C)
Sunny Days	289 days/yr

Geography

Elevation	49 ft (15 m)
Area	148.7 sq mi (385.0 km²)
Population Density	139/sq mi
Coordinates	60.5103°N, 22.4618°W
Timezone	Europe/Helsinki

Precipitation & Snow

Annual Rainfall 26.1"

31% below US avg

Snowfall 9.8"

Wettest Month (Jul) 3.11"

Driest Month (May) 1.34"

Air Quality

Earthquake History

8 earthquakes (M2.5+) within 150 km since 1990. Strongest: M2.8. Most recent: M2.7 on May 12, 2005.

Mar 9, 2005	56 km ESE of Kökar, Aland Islands	M2.8	98 km
May 12, 2005	29 km SSE of Hanko, Finland	M2.7	109 km
May 12, 2005	28 km SSE of Hanko, Finland	M2.7	108 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	39 km
Mar 9, 2005	Baltic Sea	M2.6	92 km
Mar 9, 2005	30 km SSW of Dragsfjärd, Finland	M2.6	79 km
Mar 9, 2005	49 km SSW of Dragsfjärd, Finland	M2.5	96 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	23°F (-5°C)	2.0 in
February	21°F (-6°C)	1.4 in	Coldest
March	28°F (-2°C)	1.5 in
April	38°F (3°C)	1.5 in
May	50°F (10°C)	1.3 in	Driest
June	58°F (14°C)	2.1 in
July	62°F (16°C)	3.1 in	Warmest, Wettest
August	59°F (15°C)	3.1 in
September	50°F (10°C)	2.6 in
October	42°F (5°C)	2.7 in
November	33°F (0°C)	2.6 in
December	27°F (-3°C)	2.3 in

Lieto has a seasonal temperature swing of 40°F / from 21°F in February to 62°F in July. Total annual precipitation is 26.2 inches, with July being the wettest month (3.1") and May the driest (1.3").

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