Vantaa, Uusimaa Weather by Month and Climate Averages

How much rain does Vantaa get?

Vantaa gets 680 mm of precipitation in an average year, spread over about 166 days with measurable rain. That is fewer rainy days than 54% of Finland.

October is the wettest month, with 79 mm. March is the driest, with 34 mm. December has the most rainy days, about 19.

The longest dry spell in the last five years lasted 16 days, to July 6, 2022.

Vantaa weather by month

Vantaa weather in January

In January, Vantaa averages a high of -2°C and a low of -7°C. It gets 54 mm of precipitation over about 18 rainy days. The sun is out about 16% of daylight hours. The January record high is 8°C (2007) and the record low is -36°C (1987).

Vantaa weather in February

In February, Vantaa averages a high of -2°C and a low of -8°C. It gets 41 mm of precipitation over about 15 rainy days. The sun is out about 21% of daylight hours. The February record high is 10°C (1990) and the record low is -31°C (1979).

Vantaa weather in March

In March, Vantaa averages a high of 2°C and a low of -5°C. It gets 34 mm of precipitation over about 12 rainy days. The sun is out about 37% of daylight hours. The March record high is 18°C (2007) and the record low is -27°C (1981).

Vantaa weather in April

In April, Vantaa averages a high of 9°C and a low of 0°C. It gets 36 mm of precipitation over about 11 rainy days. The sun is out about 44% of daylight hours. The April record high is 23°C (1995) and the record low is -12°C (1998).

Vantaa weather in May

In May, Vantaa averages a high of 16°C and a low of 6°C. It gets 39 mm of precipitation over about 10 rainy days. The sun is out about 46% of daylight hours. The May record high is 29°C (2018) and the record low is -6°C (1995).

Vantaa weather in June

In June, Vantaa averages a high of 20°C and a low of 10°C. It gets 64 mm of precipitation over about 13 rainy days. The sun is out about 56% of daylight hours. The June record high is 32°C (2011) and the record low is -1°C (1975). June is one of the most comfortable months to visit.

Vantaa weather in July

In July, Vantaa averages a high of 23°C and a low of 13°C. It gets 64 mm of precipitation over about 11 rainy days. The sun is out about 41% of daylight hours. The July record high is 34°C (2010) and the record low is 4°C (1990). July is one of the most comfortable months to visit.

Vantaa weather in August

In August, Vantaa averages a high of 21°C and a low of 12°C. It gets 77 mm of precipitation over about 14 rainy days. The sun is out about 36% of daylight hours. The August record high is 32°C (2010) and the record low is 1°C (1978). August is one of the most comfortable months to visit.

Vantaa weather in September

In September, Vantaa averages a high of 16°C and a low of 8°C. It gets 61 mm of precipitation over about 13 rainy days. The sun is out about 32% of daylight hours. The September record high is 27°C (2024) and the record low is -7°C (1986).

Vantaa weather in October

In October, Vantaa averages a high of 9°C and a low of 3°C. It gets 79 mm of precipitation over about 16 rainy days. The sun is out about 24% of daylight hours. The October record high is 18°C (2005) and the record low is -14°C (2002).

Vantaa weather in November

In November, Vantaa averages a high of 3°C and a low of -1°C. It gets 70 mm of precipitation over about 16 rainy days. The sun is out about 17% of daylight hours. The November record high is 14°C (2022) and the record low is -21°C (1980).

Vantaa weather in December

In December, Vantaa averages a high of 1°C and a low of -4°C. It gets 62 mm of precipitation over about 19 rainy days. The sun is out about 13% of daylight hours. The December record high is 11°C (2015) and the record low is -32°C (1978).

Sunshine, humidity and wind in Vantaa

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

Humidity peaks in January at 90% and is lowest in May at 61%.

First and last freeze in Vantaa

The first fall freeze in Vantaa typically comes around September 25, and the last spring freeze around May 12. That leaves a frost-free growing season of about 136 days.

Vantaa weather records

The hottest temperature on record at the Vantaa station is 34°C, on July 28, 2010. The coldest is -36°C, on January 10, 1987.

The wettest day on record brought 66 mm of rain, on July 9, 1996.

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

The annual mean temperature has changed by +0.5°C per decade since 1970.

The best time to visit Vantaa

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

Winter (December–February) is cold, with average highs around -1°C and lows near -6°C.

Spring (March–May) is chilly, with average highs around 9°C and lows near 0°C.

Summer (June–August) is warm, with average highs around 21°C and lows near 12°C. It can feel humid.

Autumn (September–November) is chilly, with average highs around 9°C and lows near 3°C.

Vantaa climate questions

How much rain does Vantaa get?

Vantaa gets 680 mm of precipitation in an average year, over about 166 rainy days.

What is the wettest month in Vantaa?

October is the wettest month in Vantaa, with 79 mm. March is the driest, with 34 mm.

How many rainy days does Vantaa have a year?

Vantaa has about 166 days with measurable rain in an average year. December has the most, about 19.

What is the hottest month in Vantaa?

July is the warmest month in Vantaa, with an average high of 23°C.

What is the coldest month in Vantaa?

February is the coldest month in Vantaa, with an average low of -8°C.

What is the record high temperature in Vantaa?

The record high at the Vantaa station is 34°C, set on July 28, 2010. The record low is -36°C, on January 10, 1987.

What is the sunniest month in Vantaa?

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

When is the first frost in Vantaa?

The first fall freeze in Vantaa typically comes around September 25. The last spring freeze is around May 12.

What is the best time to visit Vantaa?

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