Weather in Porvoo: October
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Average day temperature: | 47.7°F |
| Average night temperature: | 45.0°F | |
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Sea water temperature: | 49.1°F |
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Number of sunny days: | 6 days |
| Day length: | 8.7 - 11.4 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.4 in. | |
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forecast
| Porvoo |
temperature
| Porvoo |
Air temperature in October, °F
The highest day temperature during October of 2025 was 54°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during October were 48.8°F and 47.2°F.
Sea water temperature in Porvoo in October, °F
The average sea water temperature in October of 2025 was 48.9°F. The highest and lowest sea temperatures during the month were 52.9°F and 44.2°F.
Mostly all days in October are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Porvoo in October is 3.0 in. Other months of the year show relatively similar values.
The average wind speed value in October is 15.4 mph It makes October most windy month of the year.
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 October is: 3.7.
Best time for vacation in Porvoo
Porvoo on a weather map
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