Click on a day for an hourly weather forecast
The weather in Heidenheim in January is very cold with temperatures between -3°C and 2°C, warm clothes are a must.
You can expect rain for roughly half of the month of January in Heidenheim. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Let it snow! You can expect Heidenheim to be covered in white during the month of January. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Heidenheim in January 2026.
If you’re planning to visit Heidenheim in the near future, we highly recommend that you review the 14 day weather forecast for Heidenheim before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 8 | 7 | 17 | 111 mm | Awful | Heidenheim in January |
| February | 3° / -2° | 7 | 9 | 13 | 87 mm | Awful | Heidenheim in February |
| March | 9° / 1° | 7 | 17 | 8 | 79 mm | Awful | Heidenheim in March |
| April | 14° / 4° | 6 | 21 | 3 | 74 mm | Ok | Heidenheim in April |
| May | 17° / 7° | 10 | 21 | 0 | 169 mm | Ok | Heidenheim in May |
| June | 21° / 11° | 9 | 21 | 0 | 160 mm | Ok | Heidenheim in June |
| July | 23° / 13° | 9 | 23 | 0 | 154 mm | Good | Heidenheim in July |
| August | 23° / 13° | 8 | 24 | 0 | 133 mm | Good | Heidenheim in August |
| September | 19° / 10° | 5 | 25 | 0 | 84 mm | Good | Heidenheim in September |
| October | 13° / 6° | 6 | 24 | 1 | 80 mm | Ok | Heidenheim in October |
| November | 8° / 2° | 7 | 17 | 5 | 91 mm | Awful | Heidenheim in November |
| December | 4° / -1° | 9 | 9 | 13 | 119 mm | Awful | Heidenheim in December |