Porvoo in december: average Weather, Temperature and Climate
Weather in Porvoo in december 2025
The weather in Porvoo in december comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 267.5cm
Weather at 6am
32°F
Cloudy
46% of time
17%
14%
12%
Weather at 12pm
32°F
Cloudy
48% of time
16%
15%
13%
Weather at 6pm
32°F
Cloudy
51% of time
17%
13%
11%
Weather at 3am
32°F
43%
17%
15%
11%
Evolution of daily average temperature and precipitation in Porvoo in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Porvoo in december.
The climate of Porvoo in december is very bad
The weather in december in Porvoo is wet (with 2.5in of precipitation over 4 days). The weather's not getting better compared to the previous month since in november there is an average of 3.2in of rainfall over 5 days.
The climate is rather more than very fresh here this month. Bring warm clothes! The thermometer averaged maximum of 34°F. The seasonal minimum is 31°F. Thus, the mean temperature average on this month of december in Porvoo is 32°F. Note that these seasonal averages are in contrast with those observed in Porvoo in the month of december with a maximum record of 49°F in 2015 and a minimum record of -0°F in 2010. You can expect to have about 18 days with temperatures under 32°F, or 58% of the month.
On this month of december, day length in Porvoo is generally 05:48. Sunrise is at 09:19 and sets at 15:07.
Seasonal average climate and temperature of Porvoo in december
Check below seasonal norms These datas are set from the weather statements of the last years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 32°F | ||||
| Highest temperature | 34°F | ||||
| Lowest temperature | 31°F | ||||
| Highest record temperature | 49°F (2015) | ||||
| Lowest record temperature | -0°F (2010) | ||||
| Number of days at -32°F | 18 day(s) (58%) | ||||
| Sea temperature | |||||
| Average sea temperature | 39°F | ||||
| Lowest sea temperature | 32°F | ||||
| Highest sea temperature | 46°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 22°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.5in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 0.9in (2015) | ||||
| Snowfall | 267.5cm | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 7.85km | ||||
| Cloud cover | 75% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 3 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 09:19 | ||||
| Time of sunset | 15:07 | ||||
| Length of day | 05:48 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Porvoo in december 2024:
41°F to 45°F
43°F to 45°F
32°F to 45°F
27°F to 29°F
31°F to 32°F
32°F to 34°F
31°F to 32°F
32°F to 34°F
23°F to 29°F
32°F to 36°F
34°F to 38°F
27°F to 29°F
22°F to 36°F
34°F to 36°F
22°F to 34°F
34°F to 40°F
27°F to 34°F
16°F to 32°F
40°F to 41°F
31°F to 41°F
29°F to 34°F
38°F to 40°F
36°F to 40°F
27°F to 36°F
38°F to 40°F
36°F to 43°F
32°F to 38°F
32°F to 41°F
41°F to 43°F
32°F to 41°F
29°F to 31°F
Map: other cities in Finland in december
Cities near Porvoo:
| Mäntsälä in december | very bad weather |
| Vantaa in december | very bad weather |
| Helsinki in december | very bad weather |
| Riihimäki in december | very bad weather |
| Lahti in december | very bad weather |
| Kotka in december | very bad weather |
| Kirkkonummi in december | very bad weather |
| Kouvola in december | very bad weather |
| Hamina in december | very bad weather |
| Lohja in december | very bad weather |
| Heinola in december | very bad weather |
| Hämeenlinna in december | very bad weather |
Click over cities on the map for information about the weather in december.
Porvoo
perfect weather
good
tolerable
bad
very bad
Weather data for Porvoo in december:
Weather data for Porvoo for december are derived from an average of the weather forecast since 2009 in Porvoo. There is a margin of error and these forecasts are to be considered as general information only. The weather in Porvoo can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Porvoo.