Weather in Vaasa: April
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Average day temperature: | 38.6°F |
| Average night temperature: | 32.7°F | |
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Sea water temperature: | 34.1°F |
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Number of sunny days: | 8 days |
| Day length: | 13.5 - 16.5 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.3 in. | |
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forecast
| Vaasa |
temperature
| Vaasa |
Air temperature in April, °F
The highest day temperature during April of 2026 was 49°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during April were 42.0°F and 34.9°F.
Sea water temperature in Vaasa in April, °F
The average sea water temperature in April of 2026 was 37.7°F. The highest and lowest sea temperatures during the month were 44.1°F and 30.7°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Vaasa in April is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in April is 9.6 mph It makes April one of the least windy months of the year.
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 April is: 7.0.
Best time for vacation in Vaasa
Vaasa on a weather map
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