Monthey Climate: Weather by Month and Best Time to Visit
Best months for Monthey: August, September, July, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -10°C | 132 mm | 13 | – | – | 3.2 |
| February | 1°C | -9°C | 117 mm | 12 | – | – | 3.4 |
| March | 5°C | -5°C | 120 mm | 14 | – | – | 3.8 |
| April | 8°C | -1°C | 123 mm | 15 | – | – | 4.4 |
| May | 13°C | 3°C | 193 mm | 20 | – | – | 4.7 |
| June | 17°C | 7°C | 201 mm | 19 | – | – | 5.3 |
| July | 19°C | 8°C | 206 mm | 19 | – | – | 5.6 |
| August | 19°C | 8°C | 194 mm | 17 | – | – | 5.8 |
| September | 15°C | 5°C | 140 mm | 15 | – | – | 5.7 |
| October | 11°C | 1°C | 120 mm | 13 | – | – | 5.2 |
| November | 4°C | -5°C | 129 mm | 13 | – | – | 3.7 |
| December | -1°C | -10°C | 150 mm | 13 | – | – | 3.0 |