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. | |
| more information | ||
14 days
forecast
forecast
| Pori |
sea water
temperature
temperature
| Pori |
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 8.6 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 May is: 10.7.
Best time for vacation in Pori
Pori on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Pori
Local time: 19:02
March 17, tuesday
2100

34°F
N
9 mph
9 mph
March 18, wednesday
0000

34°F
N
11 mph
11 mph
0300

34°F
N
12 mph
12 mph
0600

36°F
N
13 mph
13 mph
0900

37°F
N
14 mph
14 mph
1200

41°F
NE
16 mph
16 mph
1500

41°F
NE
15 mph
15 mph
1800

39°F
NE
15 mph
15 mph




























