World Resorts Finland Porvoo Weather

Porvoo weather in June

Weather in Porvoo: June

Average day temperature: 59.9°F
Average night temperature: 53.9°F
Sea water temperature: 55.9°F
Number of sunny days: 15 days
Day length: 18.4 - 19.0 hours
Number of rainy days: 3 days
Precipitation totals: 1.8 in.

Air temperature in June, °F

Show year:
2025
2024
2023

The highest day temperature during June of 2025 was 63°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during June were 58.4°F and 52.9°F.

Sea water temperature in Porvoo in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 59.0°F and 53.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in June are sunny but cloudy days are also possible.

Precipitation total in June, in.

Precipitation total value in Porvoo in June is 1.8 in. Other months of the year show relatively similar values.

Wind speed in June, mph

The average wind speed value in June is 10.9 mph It makes June one of the least windy months of the year.

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 June is: 12.0.

Best time for vacation in Porvoo

Sunniest months:
June 15 days
July 15 days
May 13 days
Warmest months:
July 66.2 °F
August 65.8 °F
June 59.9 °F
Warmest sea temp:
August 63.7 °F
July 63.0 °F
September 58.5 °F
Coldest months:
January 27.9 °F
February 28.0 °F
March 33.0 °F
Rainiest months:
August 5 days
October 4 days
December 4 days
Windiest months:
December 14.5 mph
October 14.3 mph
November 14.0 mph

Porvoo on a weather map

Porvoo
+41°F
NE 9 mph
Feels like: +34°F
Precip.: 0%
Places in Finland:
Name
°F
+39°F
+39°F
+32°F
+39°F
+37°F
+37°F
+36°F
+39°F
+18°F
+36°F
+41°F
+39°F
+39°F
+36°F
24 Hours Forecast
Porvoo
Local time: 09:35
December 05, friday
1200
41°F
NE
7 mph
1500
41°F
N
6 mph
1800
41°F
N
6 mph
2100
41°F
NW
7 mph
December 06, saturday
0000
41°F
NW
8 mph
0300
41°F
NW
10 mph
0600
41°F
NW
11 mph
0900
41°F
W
14 mph
Units of measurement: °C / °F