Vantaa climate

Name: Vantaa
Address: FI

Vantaa is warmest in July, with average highs of 22 °C, and coldest in February, when nights average -8.0 °C. August is the wettest month (76 mm) and April the driest (37 mm). Figures are 1991–2020 climate normals.

Across a full year Vantaa averages 672 mm of rain, 12 days above 25 °C and 143 days below freezing.

Finland · population 252,724 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month July 22 °C
Coldest month February -8.0 °C
Driest month April 37 mm
Wettest month August 76 mm
Least cloud May 55 % cloud
Hottest on record July 32 °C
Coldest on record February -28 °C
Warmest sea August 17 °C

What to expectVantaa through the year

Vantaa has a clear annual cycle: average daily highs run from -2.8 °C in February to 22 °C in July, a swing of 23 °C in mean temperature across the year.

Counted across a normal year, 12 days a year reach 25 °C, 1 of them reach 30 °C, 143 nights drop below freezing. The warmest reading in the 1991–2020 record is 32 °C, in July.

Rain is spread fairly evenly through the year, from 37 mm in April to 76 mm in August. There is no dry season to aim for.

The sea off Vantaa is warmest in August at 17 °C and coldest in February at 0.7 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	-2.3 °C	50 mm	83 %
February	-2.8 °C	42 mm	79 %
March	1.2 °C	37 mm	67 %
April	8.0 °C	37 mm	64 %
May	14.7 °C	44 mm	55 %
June	18.9 °C	72 mm	60 %
July	21.8 °C	75 mm	57 %
August	20.3 °C	76 mm	62 %
September	14.9 °C	57 mm	66 %
October	8.1 °C	62 mm	74 %
November	3.0 °C	62 mm	83 %
December	-0.2 °C	57 mm	83 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days below 0 °C
January	-2.3 °C	-6.9 °C	-4.4 °C	7.7 °C	-27.5 °C	0	28
February	-2.8 °C	-8.0 °C	-5.2 °C	6.9 °C	-27.6 °C	0	26
March	1.2 °C	-5.4 °C	-2.0 °C	14.4 °C	-22.1 °C	0	27
April	8.0 °C	-0.3 °C	4.0 °C	21.0 °C	-12.1 °C	0	16
May	14.7 °C	5.5 °C	10.5 °C	28.4 °C	-5.1 °C	0	2
June	18.9 °C	10.6 °C	15.1 °C	29.2 °C	2.9 °C	2	0
July	21.8 °C	13.9 °C	18.2 °C	31.5 °C	6.9 °C	6	0
August	20.3 °C	12.9 °C	16.7 °C	30.5 °C	5.7 °C	3	0
September	14.9 °C	8.7 °C	11.8 °C	24.7 °C	-1.5 °C	0	0
October	8.1 °C	3.4 °C	5.8 °C	17.3 °C	-11.3 °C	0	7
November	3.0 °C	-0.5 °C	1.4 °C	11.7 °C	-18.2 °C	0	15
December	-0.2 °C	-4.1 °C	-2.0 °C	9.5 °C	-26.9 °C	0	23

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	50 mm	11	6.7 h/day	83 %	88 %	20 km/h	2.0 °C
February	42 mm	9	9.1 h/day	79 %	87 %	19 km/h	0.7 °C
March	37 mm	8	12 h/day	67 %	83 %	19 km/h	0.7 °C
April	37 mm	9	15 h/day	64 %	75 %	18 km/h	2.2 °C
May	44 mm	9	17 h/day	55 %	68 %	18 km/h	6.2 °C
June	72 mm	11	19 h/day	60 %	69 %	18 km/h	11.4 °C
July	75 mm	12	18 h/day	57 %	72 %	17 km/h	16.1 °C
August	76 mm	12	16 h/day	62 %	77 %	17 km/h	17.2 °C
September	57 mm	10	13 h/day	66 %	82 %	19 km/h	14.4 °C
October	62 mm	11	10 h/day	74 %	87 %	20 km/h	10.3 °C
November	62 mm	12	7.5 h/day	83 %	89 %	21 km/h	7.0 °C
December	57 mm	12	5.8 h/day	83 %	89 %	22 km/h	4.2 °C

How Vantaa compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Vantaa	22 °C	-8.0 °C	672 mm	12
Helsinki · Finland	21 °C	-7.3 °C	673 mm	5
Tallinn · Estonia	21 °C	-6.5 °C	633 mm	11
Tampere · Finland	21 °C	-8.4 °C	630 mm	9
Turku · Finland	22 °C	-7.3 °C	669 mm	10

Where Vantaa ranks

Ranking	Position	Value
The coolest places in Europe in April	37thof 50	8.0 °C
The coolest places in Europe in September	44thof 50	15 °C
Best beach destinations in Europe in March	45thof 50	14/100
The coolest places in Europe in May	47thof 50	15 °C
The coolest places in the world in April	48thof 50	8.0 °C
Best beach destinations in Europe in February	50thof 50	12/100

Planning a trip? See the best time to visit Vantaa.

QuestionsCommon questions about Vantaa’s climate

When is the best time to visit Vantaa?

That depends on what you want, so the honest answer is a comparison rather than a single month. June, July, August sit closest to 20 °C on average, July is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Vantaa get?

In July, the warmest month, daily highs average 22 °C. About 1 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average -8.0 °C in February, the coldest month. A normal year has 143 nights below freezing.

Which month is wettest in Vantaa?

August, averaging 76 mm over 12 days with rain. The driest month is April with 37 mm. The year as a whole averages 672 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Vantaa rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.