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Weather in Mainz for December 2025

Your guide to Mainz weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Mainz usually enjoys a light touch of snow in December.
    According to Mainz snow forecast for December 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, 25 December.

    • Temperatures

  • So far, December 2025 in Mainz is slightly warmer than the historical average by 1.2 °C.

  • The forecast for the next days in Mainz predicts temperatures to be around 6 °C, close to the historical average.

  • In general, the average temperature in Mainz at the beginning of December is 5 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 5.1 °C by the end of December.

    • Rain 🌧️

  • The climate of Mainz in December is notably wet, with an average of 15 rainy days, and a total of 54.8 mm of precipitation.

    • More

  • Is December a good time to visit Mainz? check out the best time to travel to Mainz page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
15
Rainy days
Average snowy days
2
Snow days
Average temperatures
7°/3°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Mainz Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
4°
2
Partly cloudy
4°
3
Cloudy
4°
4
Patchy rain possible
4°
5
Light sleet
5°
6
Light rain
7°
7
Partly cloudy
7°
8
Light freezing rain
7°
9
Moderate rain
9°
10
Patchy rain possible
8°
11
Patchy rain possible
9°
12
Light rain
7°
13
Light rain shower
8°
14
Light drizzle
5°
15
Sunny
7°
16
Partly cloudy
8°
17
Partly cloudy
7°
18
Sunny
8°
19
Partly cloudy
7°
20
Patchy rain possible
7°
21
Patchy rain possible
8°
22
Partly cloudy
7°
23
Overcast
6°
24
Overcast
6°
25
Cloudy
3°
26
Overcast
4°
27
Cloudy
4°
28
Light freezing rain
0°
29
Patchy rain possible
8°
30
Moderate rain at times
8°
31
Overcast
9°

Temperatures trend during December in Mainz

See the weather trend as well as the moving average line

December weather in Mainz day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Overcast
Overcast
 4° /1° 0 mm 0 cm
2 Dec. Partly cloudy
Partly cloudy
 4° /0° 0.5 mm 0 cm
3 Dec. Cloudy
Cloudy
 4° /1° 0.9 mm 0 cm
4 Dec. Patchy rain possible
Patchy rain possible
 4° /1° 1.3 mm 0.4 cm
5 Dec. Light sleet
Light sleet
 5° /1° 1.4 mm 0 cm
6 Dec. Light rain
Light rain
 7° /2° 3.4 mm 0 cm
7 Dec. Partly cloudy
Partly cloudy
 7° /3° 4.8 mm 0 cm
8 Dec. Light freezing rain
Light freezing rain
 7° /4° 0.9 mm 0 cm
9 Dec. Moderate rain
Moderate rain
 9° /4° 4.4 mm 0 cm
10 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 0.2 mm 0 cm
11 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 0.4 mm 0 cm
12 Dec. Light rain
Light rain
 7° /4° 1.6 mm 0 cm
13 Dec. Light rain shower
Light rain shower
 8° /4° 0.4 mm 0 cm
14 Dec. Light drizzle
Light drizzle
 5° /2° 0.5 mm 0 cm
15 Dec. Sunny
Sunny
 7° /2° 0 mm 0 cm
16 Dec. Partly cloudy
Partly cloudy
 8° /4° 0 mm 0 cm
17 Dec. Partly cloudy
Partly cloudy
 7° /3° 0 mm 0 cm
18 Dec. Sunny
Sunny
 8° /4° 0 mm 0 cm
19 Dec. Partly cloudy
Partly cloudy
 7° /3° 0.1 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 7° /6° 3.3 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 8° /6° 0.1 mm 0 cm
22 Dec. Partly cloudy
Partly cloudy
 7° /4° 0 mm 0 cm
23 Dec. Overcast
Overcast
 6° /4° 0 mm 0 cm
24 Dec. Overcast
Overcast
 6° /5° 0.1 mm 0 cm
25 Dec. Cloudy
Cloudy
 3° /2° 0.1 mm 0 cm
26 Dec. Overcast
Overcast
 4° /2° 0 mm 0 cm
27 Dec. Cloudy
Cloudy
 4° /2° 0.1 mm 0.1 cm
28 Dec. Light freezing rain
Light freezing rain
 0° /-1° 0.1 mm 0.1 cm
29 Dec. Patchy rain possible
Patchy rain possible
 8° /5° 1.2 mm 0 cm
30 Dec. Moderate rain at times
Moderate rain at times
 8° /4° 0.9 mm 0 cm
31 Dec. Overcast
Overcast
 9° /5° 0.7 mm 0 cm
Next
Important Notice
Our weather forecast for Mainz 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 Mainz forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Mainz weather in December vs November vs January

Compare December weather in Mainz with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
NovemberDecemberJanuary
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures9°/5°7°/3°5°/2°
Rainfall72 mm55 mm71 mm
Snowfall7 cm1 cm10 cm
Wind16.8 km/h15.7 km/h15.2 km/h
Humidity75%78%76%
Rainy days19 days15 days11 days
Snow days4 days2 days8 days
Dry days7 days14 days12 days

Planning a trip to Mainz? Discover the best time to visit

Mainz in December - FAQ

What are the expected maximum and minimum temperatures in Mainz during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 3°.
How much rainfall should be expected in Mainz during December?
Moderate rainfall is anticipated in Mainz during December, with a total of 54.8 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
Will it snow in Mainz in December 2025?
Mainz experiences an average snowfall of 1.195 cm during December, occurring over 2 days.
What are the typical wind conditions in Mainz during December?
The average wind speed in Mainz during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

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

Track daily snowfall levels and discover Mainz’s snowy potential this December ❄️
On average, Mainz sees 2 snowy days during December, with approximately 1.2 cm of total snowfall.

December rainfall patterns in Mainz

Explore the daily rainfall trends and prepare for Mainzs December weather 💧
Typically, Mainz has 15 rainy days in December with a total of 54.8 mm of rainfall.

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Get accurate weather forecasts for Mainz, located at latitude 49.984 and longitude 8.279. Stay updated with localized weather information tailored for Mainz.

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