About Monthey
Monthey is a Swiss municipality located in the canton of Valais (VS), at 46.213° latitude and 6.822° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Monthey, Monthey benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Monthey
The climate in Monthey is characteristic of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Monthey and neighboring municipalities.
On this page you will find the detailed weather forecast for Monthey: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Monthey: 1991–2020 normals
In Monthey (1593 m), the mean annual temperature is 4.4 °C. The warmest month is July (13.3 °C on average) and the coldest January (−4.2 °C). About 1283 mm of precipitation falls per year, peaking in July (154 mm) with a minimum in February (75 mm). The mean monthly maximum reaches 24.5 °C and the absolute minimum −14.1 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) |
|---|---|---|---|---|
| Jan | −4.2 °C | 6.5 °C | −14.1 °C | 88 |
| Feb | −3.2 °C | 8.1 °C | −12.6 °C | 75 |
| Mar | 0.5 °C | 12.5 °C | −9.4 °C | 82 |
| Apr | 4.1 °C | 16.2 °C | −6.8 °C | 85 |
| May | 7.9 °C | 20.3 °C | −2.5 °C | 123 |
| Jun | 11.5 °C | 23.5 °C | 0.8 °C | 126 |
| Jul | 13.3 °C | 24.5 °C | 3.3 °C | 154 |
| Aug | 12.8 °C | 24.1 °C | 2.6 °C | 144 |
| Sep | 8.9 °C | 19.5 °C | −0.7 °C | 104 |
| Oct | 5.1 °C | 16.0 °C | −4.9 °C | 101 |
| Nov | −0.1 °C | 11.9 °C | −9.6 °C | 98 |
| Dec | −3.4 °C | 7.5 °C | −12.8 °C | 104 |
| Year | 4.4 °C | 24.5 °C | −14.1 °C | 1283 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Aigle (15 km, 381 m), Evionnaz (16 km, 482 m), Les Diablerets (32 km, 2964 m), adjusted to the elevation of Monthey (1593 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Monthey:
- Weather Val-d'Illiez
- Weather Champéry
- Weather Troistorrents
- Weather Collombey-Muraz
- Weather Vérossaz
- Weather Vionnaz
- Weather Evionnaz
- Weather Massongex
- Weather Saint-Maurice
- Weather Vouvry
- Weather Bex
- Weather Ollon
→ Nearby cities · Canton Valais
Frequently asked questions about weather in Monthey
What is the weather in Monthey today?
At the top of the page you will find the current temperature, precipitation and wind in Monthey, updated in real time.
What is the 15-day forecast for Monthey?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Monthey.
Will it rain tomorrow in Monthey?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Monthey.
What is the air quality in Monthey?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Monthey.
Are there weather alerts for Monthey?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Monthey located?
Monthey sits at around 1593 m above sea level in the canton of Valais. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Monthey?
The warmest month in Monthey is July, averaging 13.3 °C (1991–2020 normal). The coldest is January at −4.2 °C.
How much does it rain in Monthey per year?
Monthey receives about 1283 mm of precipitation a year. The wettest month is July (154 mm), the driest February (75 mm).
When is the best time to visit Monthey?
For warmth and sunshine: July (13.3 °C on average, — h of sun). The coldest month is January (−4.2 °C). Check the 15-day forecast above for your dates.