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The weather in Mainz in January is very cold with temperatures between 0°C and 4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Mainz during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Mainz is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Mainz in January 2025.
If you’re planning to visit Mainz in the near future, we highly recommend that you review the 14 day weather forecast for Mainz before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 6 | 16 | 9 | 44 mm | Awful | Mainz in January |
| February | 6° / 1° | 5 | 17 | 6 | 40 mm | Awful | Mainz in February |
| March | 11° / 3° | 5 | 24 | 2 | 33 mm | Bad | Mainz in March |
| April | 17° / 6° | 4 | 25 | 1 | 34 mm | Good | Mainz in April |
| May | 20° / 9° | 6 | 25 | 0 | 84 mm | Good | Mainz in May |
| June | 24° / 13° | 5 | 25 | 0 | 74 mm | Perfect | Mainz in June |
| July | 26° / 15° | 5 | 26 | 0 | 84 mm | Perfect | Mainz in July |
| August | 26° / 15° | 4 | 27 | 0 | 67 mm | Perfect | Mainz in August |
| September | 22° / 12° | 3 | 27 | 0 | 45 mm | Good | Mainz in September |
| October | 15° / 8° | 4 | 27 | 0 | 50 mm | Good | Mainz in October |
| November | 10° / 4° | 5 | 23 | 2 | 49 mm | Bad | Mainz in November |
| December | 6° / 2° | 8 | 18 | 6 | 59 mm | Awful | Mainz in December |