Helsinki
December
Weather in Helsinki for December 2024
Your guide to Helsinki weather in December - trends and predictions
In general, the average temperature in Helsinki at the beginning of December is -4.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of -0.1 °C by the end of December.
Helsinki sees moderate rainfall in December, averaging 8 rainy days.
Expect heavy snowfall in Helsinki during December, with an average of 17 snowy days.
Is December a good time to visit Helsinki? check out the best time to travel to Helsinki page.
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6
Dry days
8
Rainy days
17
Snow days
-1°/-6°
Temperatures
20 km/h
Avg max wind
91 %
Avg humidity
Helsinki in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -4° | ||||||
| 2  -8° | 3  -7° | 4 -8° | 5  -1° | 6 -1° | 7  -3° | 8 -3° |
| 9  -4° | 10 -3° | 11 0° | 12 -2° | 13 -4° | 14 -6° | 15 -6° |
| 16  3° | 17  4° | 18 2° | 19  4° | 20 0° | 21 1° | 22  2° |
| 23 2° | 24 -0° | 25 -0° | 26 -2° | 27  0° | 28 0° | 29 2° |
| 30 2° | 31  -3° |
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Temperatures trend during December in Helsinki
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 | -4° /-8° | 0.5 mm | 0.4 cm | |
| 2 Dec. | Mist | -8° /-11° | 0.1 mm | 0 cm | |
| 3 Dec. | Moderate snow | -7° /-12° | 0.7 mm | 0.5 cm | |
| 4 Dec. | Mist | -8° /-12° | 0.1 mm | 0 cm | |
| 5 Dec. | Heavy snow | -1° /-12° | 3.6 mm | 3.1 cm | |
| 6 Dec. | Moderate snow | -1° /-5° | 0.5 mm | 0.4 cm | |
| 7 Dec. | Light freezing rain | -3° /-6° | 0.1 mm | 0 cm | |
| 8 Dec. | Moderate snow | -3° /-4° | 0.4 mm | 0.3 cm | |
| 9 Dec. | Moderate or heavy snow showers | -4° /-4° | 1.5 mm | 1.2 cm | |
| 10 Dec. | Moderate or heavy snow showers | -3° /-4° | 3.3 mm | 2.8 cm | |
| 11 Dec. | Moderate or heavy snow showers | 0° /-3° | 6 mm | 5.1 cm | |
| 12 Dec. | Moderate snow | -2° /-4° | 3.8 mm | 3.3 cm | |
| 13 Dec. | Moderate snow | -4° /-5° | 2.9 mm | 2.4 cm | |
| 14 Dec. | Light snow | -6° /-12° | 0.4 mm | 0.3 cm | |
| 15 Dec. | Light snow | -6° /-10° | 0.1 mm | 0 cm | |
| 16 Dec. | Patchy rain possible | 3° /-9° | 1.4 mm | 0 cm | |
| 17 Dec. | Partly cloudy | 4° /0° | 0.4 mm | 0 cm | |
| 18 Dec. | Mist | 2° /0° | 0.4 mm | 0 cm | |
| 19 Dec. | Light rain | 4° /1° | 3.3 mm | 0 cm | |
| 20 Dec. | Partly cloudy | 0° /-3° | 0 mm | 0 cm | |
| 21 Dec. | Heavy snow | 1° /-1° | 3.3 mm | 2.7 cm | |
| 22 Dec. | Overcast | 2° /0° | 4.3 mm | 1.9 cm | |
| 23 Dec. | Moderate snow | 2° /-3° | 5.2 mm | 3.4 cm | |
| 24 Dec. | Partly cloudy | 0° /-5° | 0.2 mm | 0.1 cm | |
| 25 Dec. | Overcast | 0° /-4° | 1.8 mm | 1.5 cm | |
| 26 Dec. | Overcast | -2° /-5° | 0.2 mm | 0 cm | |
| 27 Dec. | Patchy moderate snow | 0° /-6° | 2.7 mm | 1.1 cm | |
| 28 Dec. | Overcast | 0° /-6° | 1.3 mm | 0.9 cm | |
| 29 Dec. | Light freezing rain | 2° /-3° | 8.4 mm | 3.8 cm | |
| 30 Dec. | Patchy rain possible | 2° /-3° | 6.4 mm | 2.7 cm | |
| 31 Dec. | Heavy rain at times | -3° /-6° | 1.3 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Helsinki 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 Helsinki forecast closer to your planned date for the most up-to-date weather information.
Helsinki in December - FAQ
What are the expected maximum and minimum temperatures in Helsinki during December?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Helsinki during December?
Moderate rainfall is anticipated in Helsinki during December, with a total of 96.6 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
Is snowfall common in Helsinki during December?
Helsinki experiences an average snowfall of 53.7 cm during December, occurring over 17 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Helsinki during December?
The average wind speed in Helsinki during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Helsinki in December?
As you prepare for your trip to Helsinki in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Helsinki, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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