Oulu
December
Weather in Oulu for December 2025
Your guide to Oulu weather in December - trends and predictions
Oulu is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Oulu at the beginning of December is -3.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -3.9 °C by the end of December.
Snow Forecast ❄️
Temperatures
7
Dry days
1
Rainy days
23
Snow days
-5°/-9°
Temperatures
18 km/h
Avg max wind
92 %
Avg humidity
Oulu in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -1° | 2  -0° | 3 -4° | 4  -5° | 5 -6° | 6  -3° | 7 -3° |
| 8 -4° | 9  -4° | 10 -3° | 11 -3° | 12 -8° | 13 -8° | 14 -7° |
| 15 -9° | 16  -3° | 17 -5° | 18 -4° | 19 -1° | 20 -2° | 21 -4° |
| 22  -4° | 23 -2° | 24 -4° | 25  -1° | 26 -2° | 27 -5° | 28 -5° |
| 29 -5° | 30 -4° | 31 -5° |
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Temperatures trend during December in Oulu
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Light snow | -1° /-7° | 0.3 mm | 0.1 cm | |
| 2 Dec. | Overcast | 0° /-6° | 1.4 mm | 0 cm | |
| 3 Dec. | Light snow | -4° /-8° | 0.4 mm | 0.4 cm | |
| 4 Dec. | Moderate snow | -5° /-6° | 0.3 mm | 0.3 cm | |
| 5 Dec. | Moderate snow | -6° /-7° | 0.7 mm | 0.6 cm | |
| 6 Dec. | Mist | -3° /-8° | 0.4 mm | 0.3 cm | |
| 7 Dec. | Light snow | -3° /-8° | 0.2 mm | 0.1 cm | |
| 8 Dec. | Moderate snow | -4° /-6° | 0.2 mm | 0.2 cm | |
| 9 Dec. | Light freezing rain | -4° /-9° | 0.1 mm | 0.1 cm | |
| 10 Dec. | Light snow | -3° /-6° | 0.5 mm | 0.1 cm | |
| 11 Dec. | Light freezing rain | -3° /-8° | 0.2 mm | 0.1 cm | |
| 12 Dec. | Mist | -8° /-11° | 0.1 mm | 0.1 cm | |
| 13 Dec. | Light freezing rain | -8° /-11° | 0.2 mm | 0.1 cm | |
| 14 Dec. | Light snow | -7° /-10° | 0.6 mm | 0.5 cm | |
| 15 Dec. | Light snow | -9° /-12° | 0.3 mm | 0.2 cm | |
| 16 Dec. | Heavy snow | -3° /-11° | 6.5 mm | 3.7 cm | |
| 17 Dec. | Light snow | -5° /-8° | 0 mm | 0 cm | |
| 18 Dec. | Heavy snow | -4° /-10° | 0.4 mm | 0.1 cm | |
| 19 Dec. | Heavy snow | -1° /-6° | 11.5 mm | 6.9 cm | |
| 20 Dec. | Moderate snow | -2° /-11° | 7.3 mm | 5.3 cm | |
| 21 Dec. | Light snow | -4° /-14° | 1.3 mm | 0.9 cm | |
| 22 Dec. | Patchy moderate snow | -4° /-11° | 2.4 mm | 1.3 cm | |
| 23 Dec. | Heavy snow | -2° /-9° | 2.6 mm | 1.9 cm | |
| 24 Dec. | Overcast | -4° /-12° | 0.6 mm | 0.4 cm | |
| 25 Dec. | Sunny | -1° /-8° | 1.3 mm | 0.4 cm | |
| 26 Dec. | Light freezing rain | -2° /-8° | 0.6 mm | 0.1 cm | |
| 27 Dec. | Light freezing rain | -5° /-9° | 0.3 mm | 0.1 cm | |
| 28 Dec. | Light freezing rain | -5° /-10° | 0.5 mm | 0 cm | |
| 29 Dec. | Overcast | -5° /-9° | 0.3 mm | 0.1 cm | |
| 30 Dec. | Patchy moderate snow | -4° /-8° | 1.7 mm | 0.5 cm | |
| 31 Dec. | Moderate snow | -5° /-9° | 2.8 mm | 0.6 cm | |
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Important Notice
Our weather forecast for Oulu in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oulu forecast closer to your planned date for the most up-to-date weather information.
Oulu in December - FAQ
What are the expected maximum and minimum temperatures in Oulu during December?
Brace for cold days with temperatures not exceeding -5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Oulu during December?
In December, Oulu can expect light to moderate rainfall, totaling 35.6 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Oulu in December 2025?
Oulu experiences an average snowfall of 21.835 cm during December, occurring over 23 days.
What are the typical wind conditions in Oulu during December?
The average wind speed in Oulu during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Oulu snow forecast December 2025
Track daily snowfall levels and discover Oulu’s snowy potential this December ❄️
December rainfall patterns in Oulu
Explore the daily rainfall trends and prepare for Oulus December weather 💧
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