Click on a day for an hourly weather forecast
The temperatures in Thonon Les Bains in August are comfortable with low of 14°C and and high up to 24°C.
You can expect rain for roughly half of the month of August in Thonon Les Bains. 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.
Our weather forecast can give you a great sense of what weather to expect in Thonon Les Bains in August 2026.
If you’re planning to visit Thonon Les Bains in the near future, we highly recommend that you review the 14 day weather forecast for Thonon Les Bains before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -1° | 9 | 14 | 9 | 152 mm | Awful | Thonon Les Bains in January |
| February | 6° / -1° | 9 | 11 | 8 | 122 mm | Awful | Thonon Les Bains in February |
| March | 9° / 1° | 7 | 19 | 4 | 119 mm | Awful | Thonon Les Bains in March |
| April | 13° / 4° | 7 | 22 | 1 | 112 mm | Bad | Thonon Les Bains in April |
| May | 15° / 6° | 11 | 20 | 0 | 191 mm | Ok | Thonon Les Bains in May |
| June | 20° / 11° | 10 | 20 | 0 | 185 mm | Ok | Thonon Les Bains in June |
| July | 23° / 13° | 10 | 21 | 0 | 173 mm | Good | Thonon Les Bains in July |
| August | 24° / 14° | 8 | 23 | 0 | 144 mm | Good | Thonon Les Bains in August |
| September | 20° / 11° | 5 | 25 | 0 | 106 mm | Good | Thonon Les Bains in September |
| October | 16° / 7° | 5 | 25 | 0 | 109 mm | Good | Thonon Les Bains in October |
| November | 11° / 4° | 7 | 20 | 3 | 139 mm | Awful | Thonon Les Bains in November |
| December | 6° / 1° | 10 | 14 | 7 | 197 mm | Awful | Thonon Les Bains in December |