Measurements:
°C
°F
Vaasa
12°F
SW 11 mph
Feels like: -2°F
Precip: 0%
World Resorts Finland Vaasa Weather May Weather in Vaasa

Vaasa Weather: May

Average Day Temperature: 48.2°F
Average Night Temperature: 40.9°F
Sea Water Temperature: 43.1°F
Number of Sunny Days: 14 days
Sunshine Hours: 16.6 - 19.5 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 46°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 40.3°F и 39.6°F respectivly.

Vaasa Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Vaasa was 46.8°F. The maximum and minimum values were 39.0°F and 52.4°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 1.5 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 10.7 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 10.8 hours.

Best Time to Visit Vaasa
The most sunny months:
July 15 days
May 14 days
June 14 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 23.3 °F
February 24.3 °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 +18
Helsinki +18
Juvaskyla +14
Kemi -2
Koli National Park +16
Kotka +16
Lahti +16
Lappeenranta +16
Oulu +6
Pori +16
Saariselka -18
Savolinna +14
Turku +18
Vaasa +12
Vantaa +18
24 Hours Weather Forecast
Vaasa
Local time: 16:29
11 jan, sunday
1800 12°F
SW
11 mph
2100 12°F
SW
10 mph
12 jan, monday
0000 10°F
SW
9 mph
0300 8°F
SW
7 mph
0600 8°F
SW
6 mph
0900 8°F
W
6 mph
1200 8°F
W
6 mph
1500 8°F
W
4 mph