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Vaasa weather in August

Weather in Vaasa: August

Average day temperature: 63.6°F
Average night temperature: 56.8°F
Sea water temperature: 63.3°F
Number of sunny days: 11 days
Day length: 14.6 - 17.6 hours
Number of rainy days: 5 days
Precipitation totals: 2.3 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 67°F. At the same time the lowest night temperature was 21°F. Daily and nightly averages during August were 61.9°F and 54.2°F.

Sea water temperature in Vaasa in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 61.9°F. The highest and lowest sea temperatures during the month were 64.0°F and 60.6°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Vaasa in August is 2.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August 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 August is: 7.9.

Best time for vacation in Vaasa

Sunniest months:
June 14 days
July 14 days
May 13 days
Warmest months:
July 64.5 °F
August 63.6 °F
June 57.5 °F
Warmest sea temp:
August 63.3 °F
July 63.2 °F
September 56.4 °F
Coldest months:
January 25.5 °F
February 26.3 °F
December 31.5 °F
Rainiest months:
August 5 days
July 4 days
October 4 days
Windiest months:
December 12.7 mph
November 12.7 mph
October 12.1 mph

Vaasa on a weather map

Vaasa
+48°F
N 9 mph
Feels like: +45°F
Precip.: 27%
Places in Finland:
Name
°F
+48°F
+46°F
+45°F
+48°F
+50°F
+45°F
+45°F
+43°F
+46°F
+43°F
+45°F
+48°F
+46°F
+46°F
+43°F
24 Hours Forecast
Vaasa
Local time: 04:33
September 15, tuesday
0600
48°F
N
9 mph
0900
52°F
N
11 mph
1200
57°F
N
12 mph
1500
54°F
N
12 mph
1800
52°F
N
14 mph
2100
52°F
NW
16 mph
September 16, wednesday
0000
54°F
N
15 mph
0300
55°F
N
15 mph
Units of measurement: °C / °F