Weather in Mainz for December 2025
Snowfall in Mainz during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Mainz at the beginning of December is 4.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.1 °C by the end of December.
Mainz in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 67 mm.
Is December a good time to visit Mainz? check out the best time to travel to Mainz page.
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Mainz in December average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  4° | 2  4° | 3  4° | 4  2° | 5  4° | 6  6° | 7 5° |
| 8  4° | 9  7° | 10 7° | 11 8° | 12  7° | 13 7° | 14 5° |
| 15 6° | 16  8° | 17 8° | 18 8° | 19 8° | 20 6° | 21 8° |
| 22  9° | 23 9° | 24 8° | 25 9° | 26 9° | 27 7° | 28 7° |
| 29 8° | 30 8° | 31 9° |
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Temperatures trend during December in Mainz
December weather day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Overcast | 4° /1° | 0 mm | 0 cm | |
| 2 Dec. | Partly cloudy | 4° /-1° | 0.5 mm | 0 cm | |
| 3 Dec. | Cloudy | 4° /0° | 1.3 mm | 0 cm | |
| 4 Dec. | Heavy snow | 2° /0° | 1.8 mm | 0.6 cm | |
| 5 Dec. | Light sleet | 4° /0° | 2.2 mm | 0 cm | |
| 6 Dec. | Patchy rain possible | 6° /2° | 3.2 mm | 0 cm | |
| 7 Dec. | Partly cloudy | 5° /2° | 1.2 mm | 0 cm | |
| 8 Dec. | Light freezing rain | 4° /1° | 1.3 mm | 0 cm | |
| 9 Dec. | Moderate rain | 7° /2° | 6.6 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 7° /5° | 0.3 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 8° /4° | 0.6 mm | 0 cm | |
| 12 Dec. | Light rain | 7° /3° | 2.4 mm | 0 cm | |
| 13 Dec. | Light rain shower | 7° /3° | 0.6 mm | 0 cm | |
| 14 Dec. | Light drizzle | 5° /2° | 0.5 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 6° /3° | 0.3 mm | 0 cm | |
| 16 Dec. | Sunny | 8° /4° | 0 mm | 0 cm | |
| 17 Dec. | Cloudy | 8° /5° | 0 mm | 0 cm | |
| 18 Dec. | Sunny | 8° /4° | 0.2 mm | 0 cm | |
| 19 Dec. | Cloudy | 8° /2° | 4.1 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 6° /3° | 2.5 mm | 0 cm | |
| 21 Dec. | Light rain shower | 8° /4° | 4.5 mm | 0 cm | |
| 22 Dec. | Moderate rain at times | 9° /4° | 6.6 mm | 0 cm | |
| 23 Dec. | Moderate or heavy rain shower | 9° /5° | 6.2 mm | 0.6 cm | |
| 24 Dec. | Patchy rain possible | 8° /5° | 2.5 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 9° /5° | 1 mm | 0 cm | |
| 26 Dec. | Moderate rain at times | 9° /4° | 1.5 mm | 0 cm | |
| 27 Dec. | Partly cloudy | 7° /3° | 0 mm | 0 cm | |
| 28 Dec. | Overcast | 7° /2° | 0 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 8° /5° | 1.2 mm | 0 cm | |
| 30 Dec. | Moderate rain at times | 8° /4° | 0.9 mm | 0 cm | |
| 31 Dec. | Overcast | 9° /5° | 0.7 mm | 0 cm | |
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Mainz in December - FAQ
What to pack to Mainz in December?
As you prepare for your trip to Mainz 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 Mainz, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- 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
Mainz snow forecast December 2025
December rainfall patterns in Mainz
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Where is Mainz?Get accurate weather forecasts for Mainz, located at latitude 49.984 and longitude 8.279. Stay updated with localized weather information tailored for Mainz.