Weather in Vaasa: May
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Average day temperature: | 48.5°F |
| Average night temperature: | 41.9°F | |
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Sea water temperature: | 44.1°F |
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Number of sunny days: | 13 days |
| Day length: | 16.6 - 19.5 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
| more information | ||
14 days
forecast
forecast
| Vaasa |
sea water
temperature
temperature
| Vaasa |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 57°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during May were 49.5°F and 43.5°F.
Sea water temperature in Vaasa in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 48.0°F. The highest and lowest sea temperatures during the month were 55.9°F and 37.9°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Vaasa in May is 1.4 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.1 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 10.4.
Best time for vacation in Vaasa
Vaasa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vaasa
Local time: 10:36
June 06, saturday
1200
54°F
S
7 mph
7 mph
1500
54°F
S
9 mph
9 mph
1800
54°F
SW
7 mph
7 mph
2100
54°F
S
8 mph
8 mph
June 07, sunday
0000
54°F
NW
6 mph
6 mph
0300
54°F
NW
12 mph
12 mph
0600
52°F
N
15 mph
15 mph
0900
52°F
N
16 mph
16 mph
