Pori Weather in December
December in Pori brings low temperatures, with highs of 2°C (36°F) and nights dropping to -3°C (27°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.
Rainfall in Pori in December
Typically around 20 days of snow/rainfall are expected, averaging 61 mm (2.4 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Pori in December
Pori in December gets highs of 2°C (36°F) during the day and drops to -3°C (27°F) at night. The winter season takes place during December. Staying warm is the main priority this month, especially during mornings and evenings. With lows of -3°C (27°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.December in Pori can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Pori's climate page.
Pori Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
2°C (36°F)
Chance of Rain
66%
Precipitation
61 mm (2.4 in)
Rainy days
20 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Pori typically stay consistent throughout December, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -3°C (27°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Pori in December
Browse day-by-day weather records for Pori spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pori historical weather extremes in December
The extremes listed below come from historical weather data collected in Pori from 1976 through 2025.
- The warmest day in December was on December 20, 2015, with a maximum of 11°C (52°F).
Best Places in Finland in December
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Pori in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Pori in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Pori's climate page.
See the full Pori climate overview or explore weather in Finland.
