Rauma Weather in December
December in Rauma brings low temperatures, with daytime highs of 3°C (37°F) and nights around -1°C (30°F). Quite a bit of snow/rainfall is expected, around 66 mm (2.6 in), so pack an umbrella.
Rainfall in Rauma in December
Climate statistics over the past 30 years suggest around 19 days of snow/rain, with 66 mm (2.6 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Rauma in December
Daytime highs in Rauma in December reach 3°C (37°F), with nights around -1°C (30°F). Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It is a very cold month, so be prepared and make sure to dress up warm. It's always better to be prepared than to find oneself shivering in the cold.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rauma. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Rauma's climate page.
Rauma Temperature in December
Min Temperature
-1°C (30°F)
Max Temperature
3°C (37°F)
Chance of Rain
64%
Precipitation
66 mm (2.6 in)
Rainy days
19 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rauma typically stay consistent throughout December, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -6°C (21°F) to -2°C (28°F).
Average temperatures in December
Historical weather for Rauma in December
Browse day-by-day weather records for Rauma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rauma historical weather extremes in December
Based on weather observations in Rauma between 1976 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 6, 2006, with a maximum of 10°C (50°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
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What to Wear in Rauma in December
We recommend to layer up for chilly conditions in Rauma in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.What To Do in Rauma 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 Rauma's climate page.
See the full Rauma climate overview or explore weather in Finland.
