About Riddes
Riddes is a Swiss municipality located in the canton of Valais (VS), at 46.167° latitude and 7.215° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Riddes, Riddes benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Riddes
The climate in Riddes 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 Riddes and neighboring municipalities.
On this page you will find the detailed weather forecast for Riddes: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Riddes: 1991–2020 normals
In Riddes (468 m), the mean annual temperature is 11.3 °C. The warmest month is July (20.1 °C on average) and the coldest January (3.3 °C). About 581 mm of precipitation falls per year, peaking in December (68 mm) with a minimum in April (34 mm). The sun shines for about 2137 hours a year, mostly in July (269 h). On average there are 78 frost days and 17 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −7.6 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 3.3 °C | 13.5 °C | −7.6 °C | 52 | 90 | 22 | 0 |
| Feb | 3.8 °C | 15.1 °C | −6.2 °C | 40 | 130 | 17 | 0 |
| Mar | 6.9 °C | 18.0 °C | −4.0 °C | 37 | 188 | 8 | 0 |
| Apr | 10.2 °C | 21.1 °C | −0.4 °C | 34 | 209 | 1 | 1 |
| May | 14.1 °C | 25.4 °C | 3.9 °C | 52 | 225 | 0 | 7 |
| Jun | 18.0 °C | 29.7 °C | 7.7 °C | 48 | 251 | 0 | 15 |
| Jul | 20.1 °C | 31.0 °C | 10.4 °C | 62 | 269 | 0 | 21 |
| Aug | 19.6 °C | 30.3 °C | 9.5 °C | 59 | 248 | 0 | 18 |
| Sep | 15.8 °C | 26.1 °C | 6.2 °C | 38 | 208 | 0 | 6 |
| Oct | 12.3 °C | 22.6 °C | 2.1 °C | 43 | 159 | 1 | 0 |
| Nov | 7.2 °C | 19.1 °C | −3.1 °C | 50 | 94 | 10 | 0 |
| Dec | 4.0 °C | 14.1 °C | −6.1 °C | 68 | 66 | 20 | 0 |
| Year | 11.3 °C | 31.0 °C | −7.6 °C | 581 | 2137 | 78 | 69 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Les Attelas (9 km, 2734 m), Sion (11 km, 482 m), Evionnaz (15 km, 482 m), adjusted to the elevation of Riddes (468 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Riddes:
- Weather Chamoson
- Weather Saxon
- Weather Isérables
- Weather Conthey
- Weather Vétroz
- Weather Saillon
- Weather Leytron
- Weather Fully
- Weather Ardon
- Weather Nendaz
- Weather Veysonnaz
- Weather Sembrancher
→ Nearby cities · Canton Valais
⛷️ Ski resorts in this municipality: La Tzoumaz
Frequently asked questions about weather in Riddes
What is the weather in Riddes today?
At the top of the page you will find the current temperature, precipitation and wind in Riddes, updated in real time.
What is the 15-day forecast for Riddes?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Riddes.
Will it rain tomorrow in Riddes?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Riddes.
What is the air quality in Riddes?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Riddes.
Are there weather alerts for Riddes?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Riddes located?
Riddes sits at around 468 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 Riddes?
The warmest month in Riddes is July, averaging 20.1 °C (1991–2020 normal). The coldest is January at 3.3 °C.
How much does it rain in Riddes per year?
Riddes receives about 581 mm of precipitation a year. The wettest month is December (68 mm), the driest April (34 mm).
When is the best time to visit Riddes?
For warmth and sunshine: July (20.1 °C on average, 269 h of sun). The coldest month is January (3.3 °C). Check the 15-day forecast above for your dates.