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Pori weather in May

Weather in Pori: May

Average day temperature: 54.2°F
Average night temperature: 43.8°F
Sea water temperature: 44.7°F
Number of sunny days: 13 days
Day length: 16.3 - 18.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.4 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 53°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during May were 44.8°F and 42.1°F.

Sea water temperature in Pori in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 46.9°F. The highest and lowest sea temperatures during the month were 52.0°F and 42.4°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 Pori in May is 1.5 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.4 mph It makes May 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 May is: 10.7.

Best time for vacation in Pori

Sunniest months:
June 14 days
May 13 days
July 13 days
Warmest months:
July 68.9 °F
August 66.6 °F
June 62.5 °F
Warmest sea temp:
August 64.5 °F
July 63.7 °F
September 57.2 °F
Coldest months:
January 26.5 °F
February 28.6 °F
December 31.7 °F
Rainiest months:
August 5 days
October 5 days
July 4 days
Windiest months:
December 9.8 mph
October 9.6 mph
November 9.4 mph

Pori on a weather map

Pori
+39°F
NW 4 mph
Feels like: +37°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
Pori
Local time: 10:19
December 05, friday
1200
39°F
N
6 mph
1500
41°F
N
6 mph
1800
39°F
NW
6 mph
2100
39°F
W
6 mph
December 06, saturday
0000
39°F
NW
6 mph
0300
39°F
W
7 mph
0600
39°F
W
7 mph
0900
39°F
W
9 mph
Units of measurement: °C / °F