Heidelberg
December
Weather in Heidelberg for December 2026
Your guide to Heidelberg weather in December - trends and predictions
With an average of 2 snowy days, Heidelberg usually enjoys a light touch of snow in December.
In general, the average temperature in Heidelberg at the beginning of December is 5.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.3 °C by the end of December.
The climate of Heidelberg in December is notably wet, with an average of 15 rainy days, and a total of 44.8 mm of precipitation.
Is December a good time to visit Heidelberg? check out the best time to travel to Heidelberg page.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
14
Dry days
15
Rainy days
2
Snow days
7°/4°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Heidelberg Weather December
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Temperatures trend during December in Heidelberg
See the weather trend as well as the moving average line
December weather in Heidelberg day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate snow | 5° /1° | 0.3 mm | 0.3 cm | |
| 2 Dec. |  Partly cloudy | 5° /0° | 1.1 mm | 0 cm | |
| 3 Dec. | Partly cloudy | 5° /1° | 1 mm | 0 cm | |
| 4 Dec. |  Light sleet | 5° /1° | 0.4 mm | 0 cm | |
| 5 Dec. |  Light drizzle | 5° /1° | 1 mm | 0 cm | |
| 6 Dec. |  Light rain shower | 8° /3° | 3.5 mm | 0 cm | |
| 7 Dec. | Partly cloudy | 8° /3° | 3.5 mm | 0 cm | |
| 8 Dec. | Light rain | 8° /4° | 1.3 mm | 0 cm | |
| 9 Dec. | Light rain | 9° /5° | 3.1 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 8° /5° | 0.4 mm | 0 cm | |
| 11 Dec. | Light drizzle | 9° /5° | 1.7 mm | 0 cm | |
| 12 Dec. | Light rain | 8° /4° | 4.4 mm | 0 cm | |
| 13 Dec. | Patchy rain possible | 8° /3° | 0.6 mm | 0 cm | |
| 14 Dec. | Light rain shower | 7° /3° | 0.9 mm | 0 cm | |
| 15 Dec. | Light drizzle | 7° /3° | 0.9 mm | 0 cm | |
| 16 Dec. | Partly cloudy | 7° /4° | 0 mm | 0 cm | |
| 17 Dec. |  Sunny | 8° /4° | 0 mm | 0 cm | |
| 18 Dec. | Partly cloudy | 9° /4° | 0 mm | 0 cm | |
| 19 Dec. | Partly cloudy | 9° /3° | 1.6 mm | 0 cm | |
| 20 Dec. | Light drizzle | 7° /4° | 2.4 mm | 0 cm | |
| 21 Dec. | Light rain | 9° /4° | 2.3 mm | 0 cm | |
| 22 Dec. | Light rain shower | 9° /5° | 5.3 mm | 0 cm | |
| 23 Dec. |  Moderate or heavy rain shower | 9° /4° | 3.8 mm | 0.3 cm | |
| 24 Dec. | Patchy rain possible | 7° /4° | 0.5 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 8° /4° | 0.2 mm | 0 cm | |
| 26 Dec. | Moderate rain at times | 8° /3° | 1.9 mm | 0 cm | |
| 27 Dec. |  Overcast | 6° /2° | 0 mm | 0 cm | |
| 28 Dec. | Sunny | 7° /2° | 0.3 mm | 0 cm | |
| 29 Dec. | Sunny | 7° /3° | 0.6 mm | 0 cm | |
| 30 Dec. | Moderate rain at times | 7° /3° | 0.8 mm | 0 cm | |
| 31 Dec. | Overcast | 8° /4° | 0.9 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Heidelberg 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 Heidelberg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Heidelberg weather in December vs November vs January
Compare December weather in Heidelberg with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 10°/5° | 7°/4° | 5°/1° |
| Rainfall | 69 mm | 45 mm | 70 mm |
| Snowfall | 2 cm | 1 cm | 10 cm |
| Wind | 15.2 km/h | 15 km/h | 15.5 km/h |
| Humidity | 76% | 77% | 77% |
| Rainy days | 21 days | 15 days | 11 days |
| Snow days | 5 days | 2 days | 10 days |
| Dry days | 4 days | 14 days | 10 days |
Planning a trip to Heidelberg? Discover the best time to visit
Heidelberg in December - FAQ
What are the expected maximum and minimum temperatures in Heidelberg during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 4°.
How much rainfall should be expected in Heidelberg during December?
In December, Heidelberg can expect light to moderate rainfall, totaling 44.8 mm across approximately 15 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Heidelberg in December 2026?
Heidelberg experiences an average snowfall of 0.591667 cm during December, occurring over 2 days.
What are the typical wind conditions in Heidelberg during December?
The average wind speed in Heidelberg during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Heidelberg in December?
As you prepare for your trip to Heidelberg 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 Heidelberg, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long trousers
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- 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
Heidelberg snow forecast December 2026
Track daily snowfall levels and discover Heidelberg’s snowy potential this December ❄️
On average, Heidelberg sees 2 snowy days during December, with approximately 0.6 cm of total snowfall.
December rainfall patterns in Heidelberg
Explore the daily rainfall trends and prepare for Heidelbergs December weather 💧
Typically, Heidelberg has 15 rainy days in December with a total of 44.8 mm of rainfall.
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