World Resorts Finland Porvoo Weather

Porvoo weather in August

Weather in Porvoo: August

Average day temperature: 65.6°F
Average night temperature: 60.1°F
Sea water temperature: 63.6°F
Number of sunny days: 12 days
Day length: 14.3 - 16.9 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 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 27°F. Daily and nightly averages during August were 63.7°F and 58.2°F.

Sea water temperature in Porvoo in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 61.4°F. The highest and lowest sea temperatures during the month were 66.4°F and 56.3°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 Porvoo in August is 2.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 12.2 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: 8.1.

Best time for vacation in Porvoo

Sunniest months:
June 15 days
July 14 days
May 13 days
Warmest months:
July 66.1 °F
August 65.6 °F
June 59.8 °F
Warmest sea temp:
August 63.6 °F
July 63.0 °F
September 58.5 °F
Coldest months:
February 27.3 °F
January 27.5 °F
March 33.2 °F
Rainiest months:
August 4 days
October 4 days
September 4 days
Windiest months:
December 14.6 mph
October 14.3 mph
November 14.0 mph

Porvoo on a weather map

Porvoo
+64°F
N 2 mph
Feels like: +64°F
Precip.: 16%
Places in Finland:
Name
°F
+64°F
+64°F
+57°F
+64°F
+64°F
+68°F
+61°F
+64°F
+54°F
+63°F
+68°F
+64°F
+64°F
+64°F
+64°F
24 Hours Forecast
Porvoo
Local time: 16:55
August 27, thursday
1800
64°F
N
2 mph
2100
63°F
N
4 mph
August 28, friday
0000
63°F
NE
3 mph
0300
61°F
E
2 mph
0600
61°F
E
2 mph
0900
63°F
NE
1 mph
1200
63°F
NE
4 mph
1500
63°F
N
5 mph
Units of measurement: °C / °F