Espoo, Uusimaa Weather by Month and Climate Averages

How much rain does Espoo get?

Espoo gets 451 mm of precipitation in an average year, spread over about 75 days with measurable rain. That is fewer rainy days than 99% of Finland.

August is the wettest month, with 56 mm. May is the driest, with 21 mm. December has the most rainy days, about 9.

The longest dry spell in the last five years lasted 16 days, to March 24, 2022.

Espoo weather by month

Espoo weather in January

In January, Espoo averages a high of -1°C and a low of -6°C. It gets 36 mm of precipitation over about 8 rainy days. The sun is out about 16% of daylight hours. The January record high is 8°C (1973) and the record low is -24°C (1980).

Espoo weather in February

In February, Espoo averages a high of -1°C and a low of -5°C. It gets 30 mm of precipitation over about 7 rainy days. The sun is out about 22% of daylight hours. The February record high is 8°C (2015) and the record low is -27°C (1979).

Espoo weather in March

In March, Espoo averages a high of 3°C and a low of -3°C. It gets 22 mm of precipitation over about 5 rainy days. The sun is out about 37% of daylight hours. The March record high is 13°C (2022) and the record low is -20°C (1971).

Espoo weather in April

In April, Espoo averages a high of 8°C and a low of 1°C. It gets 23 mm of precipitation over about 5 rainy days. The sun is out about 44% of daylight hours. The April record high is 20°C (2014) and the record low is -8°C (1974).

Espoo weather in May

In May, Espoo averages a high of 15°C and a low of 7°C. It gets 21 mm of precipitation over about 4 rainy days. The sun is out about 46% of daylight hours. The May record high is 28°C (2018) and the record low is -3°C (1976).

Espoo weather in June

In June, Espoo averages a high of 19°C and a low of 12°C. It gets 41 mm of precipitation over about 5 rainy days. The sun is out about 56% of daylight hours. The June record high is 31°C (1972) and the record low is 2°C (1975). June is one of the most comfortable months to visit.

Espoo weather in July

In July, Espoo averages a high of 22°C and a low of 14°C. It gets 31 mm of precipitation over about 4 rainy days. The sun is out about 41% of daylight hours. The July record high is 33°C (2019) and the record low is 8°C (2009). July is one of the most comfortable months to visit.

Espoo weather in August

In August, Espoo averages a high of 21°C and a low of 13°C. It gets 56 mm of precipitation over about 6 rainy days. The sun is out about 36% of daylight hours. The August record high is 32°C (1975) and the record low is 4°C (1978).

Espoo weather in September

In September, Espoo averages a high of 16°C and a low of 10°C. It gets 38 mm of precipitation over about 6 rainy days. The sun is out about 32% of daylight hours. The September record high is 26°C (2024) and the record low is -3°C (1976).

Espoo weather in October

In October, Espoo averages a high of 9°C and a low of 4°C. It gets 56 mm of precipitation over about 8 rainy days. The sun is out about 24% of daylight hours. The October record high is 18°C (1973) and the record low is -8°C (1980).

Espoo weather in November

In November, Espoo averages a high of 6°C and a low of 1°C. It gets 48 mm of precipitation over about 9 rainy days. The sun is out about 17% of daylight hours. The November record high is 14°C (2022) and the record low is -19°C (1980).

Espoo weather in December

In December, Espoo averages a high of 2°C and a low of -2°C. It gets 47 mm of precipitation over about 9 rainy days. The sun is out about 13% of daylight hours. The December record high is 11°C (2015) and the record low is -29°C (1978).

Sunshine, humidity and wind in Espoo

June is the sunniest month in Espoo, with sunshine about 56% of daylight hours. December is the cloudiest, at 13%. Over the year the sun shines about 32% of daylight hours. Espoo is sunnier than 84% of Finland.

Humidity peaks in January at 90% and is lowest in May at 62%.

First and last freeze in Espoo

The first fall freeze in Espoo typically comes around October 14, and the last spring freeze around May 4. That leaves a frost-free growing season of about 163 days.

Espoo weather records

The hottest temperature on record at the Espoo station is 33°C, on July 28, 2019. The coldest is -29°C, on December 31, 1978.

The wettest day on record brought 62 mm of rain, on August 23, 2019.

44 all-time records have been set at the station since 1970.

The best time to visit Espoo

The most comfortable time to visit is typically June to July, when daytime highs sit near 21°C.

Winter (December–February) is cold, with average highs around 0°C and lows near -5°C.

Spring (March–May) is chilly, with average highs around 9°C and lows near 2°C.

Summer (June–August) is warm, with average highs around 21°C and lows near 13°C. It can feel humid.

Autumn (September–November) is chilly, with average highs around 10°C and lows near 5°C.

Espoo climate questions

How much rain does Espoo get?

Espoo gets 451 mm of precipitation in an average year, over about 75 rainy days.

What is the wettest month in Espoo?

August is the wettest month in Espoo, with 56 mm. May is the driest, with 21 mm.

How many rainy days does Espoo have a year?

Espoo has about 75 days with measurable rain in an average year. December has the most, about 9.

What is the hottest month in Espoo?

July is the warmest month in Espoo, with an average high of 22°C.

What is the coldest month in Espoo?

January is the coldest month in Espoo, with an average low of -6°C.

What is the record high temperature in Espoo?

The record high at the Espoo station is 33°C, set on July 28, 2019. The record low is -29°C, on December 31, 1978.

What is the sunniest month in Espoo?

June is the sunniest month in Espoo, with sunshine about 56% of daylight hours. December is the cloudiest.

When is the first frost in Espoo?

The first fall freeze in Espoo typically comes around October 14. The last spring freeze is around May 4.

What is the best time to visit Espoo?

The most comfortable time to visit is typically June to July, when daytime highs sit near 21°C.