Monthey in August
5.8out of 10
Possible, with caveats
Mild: highs around 19°C. Very wet: about 17 rainy days.
19°CAvg high
8°CAvg low
17Rainy days (194 mm)
13:59 hDaylight
06:37Sunrise · 20:36 Sunset
Why this score
- Mild: highs around 19°C
- Very wet: about 17 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
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 |
Frequently asked questions
How hot is Monthey in August?
Daytime highs average 19°C and nights about 8°C.
When is the best time to visit Monthey?
The best months are August, September, July, June.