Measurements:
°C
°F
Vaasa
54°F
N 3 mph
Feels like: 54°F
Precip: 0%
World Resorts Finland Vaasa Weather May Weather in Vaasa

Vaasa Weather: May

Average Day Temperature: 48.3°F
Average Night Temperature: 41.0°F
Sea Water Temperature: 43.3°F
Number of Sunny Days: 13 days
Sunshine Hours: 16.6 - 19.5 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 58°F. The lowest night temperature was 33°F. The average values for day and night temperatures during May were 48.9°F и 42.4°F respectivly.

Vaasa Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Vaasa was 47.3°F. The maximum and minimum values were 36.6°F and 56.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Vaasa is 1.4 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 10.6 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Vaasa in May is 10.7 hours.

Best Time to Visit Vaasa
The most sunny months:
July 15 days
June 14 days
May 13 days
The most warm months:
July 66.2 °F
August 65.2 °F
June 58.3 °F
Warmest sea temperature:
August 64.9 °F
July 64.6 °F
September 57.1 °F
The most cold months:
January 22.7 °F
February 23.7 °F
December 29.5 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
October 12 mph

Vaasa on the Weather Map

Finland Resorts:
NAME
Espoo +60
Helsinki +56
Imatra +50
Juvaskyla +58
Kemi +44
Koli National Park +50
Kotka +52
Lahti +58
Oulu +54
Pori +60
Porvoo +58
Saariselka +52
Turku +60
Vaasa +54
Vantaa +60
24 Hours Weather Forecast
Vaasa
Local time: 09:36
30 may, saturday
1200 58°F
SE
5 mph
1500 60°F
SE
5 mph
1800 58°F
S
8 mph
2100 52°F
S
6 mph
31 may, sunday
0000 50°F
SW
6 mph
0300 48°F
SW
6 mph
0600 50°F
SW
4 mph
0900 56°F
SW
3 mph