Lillestrøm
December
Weather in Lillestrøm for December 2025
Your guide to Lillestrøm weather in December - trends and predictions
Expect heavy snowfall in Lillestrøm during December, with an average of 17 snowy days.
In general, the average temperature in Lillestrøm at the beginning of December is -4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of -1.9 °C by the end of December.
Snow Forecast ❄️
Temperatures
13
Dry days
1
Rainy days
17
Snow days
-4°/-9°
Temperatures
10 km/h
Avg max wind
92 %
Avg humidity
Lillestrøm in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -1° | 2  -1° | 3  -6° | 4  -7° | 5 -5° | 6  -4° | 7  -4° |
| 8 -2° | 9 -3° | 10  -3° | 11 -3° | 12  -6° | 13 -8° | 14 -5° |
| 15 -2° | 16  4° | 17 0° | 18 3° | 19 4° | 20  -2° | 21 -0° |
| 22  -1° | 23 -5° | 24 -6° | 25  -2° | 26  -2° | 27 -3° | 28 -3° |
| 29 1° | 30 -1° | 31 -3° |
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Temperatures trend during December in Lillestrøm
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. | Cloudy | -1° /-6° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | -1° /-8° | 3.4 mm | 1.2 cm | |
| 3 Dec. | Partly cloudy | -6° /-10° | 0 mm | 0 cm | |
| 4 Dec. | Sunny | -7° /-10° | 0 mm | 0 cm | |
| 5 Dec. | Sunny | -5° /-10° | 4.4 mm | 3.2 cm | |
| 6 Dec. | Heavy snow | -4° /-7° | 7.9 mm | 5.8 cm | |
| 7 Dec. | Light snow | -4° /-7° | 3.6 mm | 2.7 cm | |
| 8 Dec. | Heavy snow | -2° /-9° | 4.3 mm | 3.6 cm | |
| 9 Dec. | Heavy snow | -3° /-8° | 5.9 mm | 5 cm | |
| 10 Dec. | Moderate snow | -3° /-8° | 1.2 mm | 1.1 cm | |
| 11 Dec. | Heavy snow | -3° /-7° | 3 mm | 2.5 cm | |
| 12 Dec. | Mist | -6° /-11° | 0 mm | 0 cm | |
| 13 Dec. | Mist | -8° /-14° | 0 mm | 0 cm | |
| 14 Dec. | Light snow | -5° /-13° | 0.9 mm | 0.7 cm | |
| 15 Dec. | Mist | -2° /-12° | 0.1 mm | 0.1 cm | |
| 16 Dec. | Freezing fog | 4° /-3° | 0.1 mm | 0 cm | |
| 17 Dec. | Mist | 0° /-4° | 0 mm | 0 cm | |
| 18 Dec. | Freezing fog | 3° /-3° | 6 mm | 1.4 cm | |
| 19 Dec. | Sunny | 4° /-4° | 0 mm | 0 cm | |
| 20 Dec. | Moderate or heavy snow with thunder | -2° /-7° | 2.7 mm | 2.1 cm | |
| 21 Dec. | Heavy snow | 0° /-8° | 8.8 mm | 6.5 cm | |
| 22 Dec. | Light freezing rain | -1° /-8° | 1.1 mm | 0.1 cm | |
| 23 Dec. | Partly cloudy | -5° /-11° | 0 mm | 0 cm | |
| 24 Dec. | Heavy snow | -6° /-12° | 1 mm | 0.8 cm | |
| 25 Dec. | Patchy moderate snow | -2° /-9° | 1.7 mm | 0.5 cm | |
| 26 Dec. | Moderate or heavy snow showers | -2° /-6° | 6 mm | 4.7 cm | |
| 27 Dec. | Partly cloudy | -3° /-8° | 0 mm | 0 cm | |
| 28 Dec. | Overcast | -3° /-8° | 2.2 mm | 1.8 cm | |
| 29 Dec. | Moderate snow | 1° /-6° | 6.4 mm | 4.7 cm | |
| 30 Dec. | Light freezing rain | -1° /-8° | 2.4 mm | 0.1 cm | |
| 31 Dec. | Overcast | -3° /-8° | 4 mm | 1.7 cm | |
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Important Notice
Our weather forecast for Lillestrøm 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 Lillestrøm forecast closer to your planned date for the most up-to-date weather information.
Lillestrøm in December - FAQ
What are the expected maximum and minimum temperatures in Lillestrøm during December?
Brace for cold days with temperatures not exceeding -4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Lillestrøm during December?
Moderate rainfall is anticipated in Lillestrøm during December, with a total of 86.7 mm spread over approximately 1 days. Considering plans for rainy days is advisable.
Will it snow in Lillestrøm in December 2025?
Lillestrøm experiences an average snowfall of 60.045 cm during December, occurring over 17 days.
What are the typical wind conditions in Lillestrøm during December?
The average wind speed in Lillestrøm during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Lillestrøm snow forecast December 2025
Track daily snowfall levels and discover Lillestrøm’s snowy potential this December ❄️
December rainfall patterns in Lillestrøm
Explore the daily rainfall trends and prepare for Lillestrøms December weather 💧
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