Click on a day for an hourly weather forecast
The temperatures in Bad Harzburg in May are quite cold with temperatures between 7°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Bad Harzburg during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bad Harzburg in May 2026.
If you’re planning to visit Bad Harzburg in the near future, we highly recommend that you review the 14 day weather forecast for Bad Harzburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -2° | 8 | 8 | 15 | 90 mm | Awful | Bad Harzburg in January |
| February | 4° / -1° | 8 | 9 | 12 | 65 mm | Awful | Bad Harzburg in February |
| March | 8° / 1° | 8 | 16 | 7 | 65 mm | Awful | Bad Harzburg in March |
| April | 14° / 4° | 6 | 21 | 3 | 49 mm | Ok | Bad Harzburg in April |
| May | 17° / 7° | 7 | 24 | 0 | 95 mm | Ok | Bad Harzburg in May |
| June | 21° / 11° | 6 | 24 | 0 | 105 mm | Good | Bad Harzburg in June |
| July | 23° / 13° | 6 | 25 | 0 | 110 mm | Perfect | Bad Harzburg in July |
| August | 23° / 14° | 5 | 26 | 0 | 82 mm | Perfect | Bad Harzburg in August |
| September | 19° / 11° | 4 | 26 | 0 | 57 mm | Good | Bad Harzburg in September |
| October | 13° / 7° | 6 | 25 | 0 | 59 mm | Ok | Bad Harzburg in October |
| November | 8° / 4° | 7 | 20 | 3 | 54 mm | Awful | Bad Harzburg in November |
| December | 4° / 0° | 8 | 13 | 10 | 81 mm | Awful | Bad Harzburg in December |