Monthey Weather in August

Monthey in August averages 20°C (68°F) during the day and 9°C (48°F) at night. August is part of the rainy season, and falls within the summer season, so frequent rainfall is typical.

Rainfall in Monthey in August

Monthey is in the rainy season in August, with rain on around 16 days and an average of 196 mm (7.7 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Monthey in August

Daytime temperatures in Monthey reach 20°C (68°F) in August, dropping to 9°C (48°F) at night. Experience the summer season in August. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Monthey in August

The days are predominantly sunny, with an estimated total of around 248 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Monthey.