Click on a day for an hourly weather forecast
The temperatures in Gerardmer in August are comfortable with low of 13°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Gerardmer during the month of August. 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 Gerardmer in August 2026.
If you’re planning to visit Gerardmer in the near future, we highly recommend that you review the 14 day weather forecast for Gerardmer before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -1° | 10 | 9 | 12 | 146 mm | Awful | Gerardmer in January |
| February | 5° / -1° | 9 | 11 | 9 | 114 mm | Awful | Gerardmer in February |
| March | 10° / 2° | 9 | 18 | 5 | 100 mm | Awful | Gerardmer in March |
| April | 14° / 4° | 6 | 23 | 1 | 77 mm | Good | Gerardmer in April |
| May | 17° / 7° | 10 | 21 | 0 | 147 mm | Ok | Gerardmer in May |
| June | 21° / 11° | 9 | 21 | 0 | 170 mm | Ok | Gerardmer in June |
| July | 23° / 13° | 8 | 23 | 0 | 153 mm | Good | Gerardmer in July |
| August | 23° / 13° | 7 | 24 | 0 | 123 mm | Good | Gerardmer in August |
| September | 20° / 10° | 5 | 25 | 0 | 87 mm | Good | Gerardmer in September |
| October | 14° / 6° | 7 | 24 | 0 | 98 mm | Ok | Gerardmer in October |
| November | 9° / 3° | 8 | 18 | 4 | 116 mm | Awful | Gerardmer in November |
| December | 5° / 0° | 11 | 12 | 9 | 150 mm | Awful | Gerardmer in December |