About Riaz
Riaz is a Swiss municipality located in the canton of Fribourg (FR), at 46.630° latitude and 7.022° longitude. The municipality is part of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. Also known as Riaz, Riaz benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Riaz
The climate in Riaz is characteristic of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. 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 Riaz and neighboring municipalities.
On this page you will find the detailed weather forecast for Riaz: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Riaz: 1991–2020 normals
In Riaz (860 m), the mean annual temperature is 8.9 °C. The warmest month is July (16.9 °C on average) and the coldest February (1.7 °C). About 856 mm of precipitation falls per year, peaking in July (102 mm) with a minimum in February (46 mm). On average there are 109 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 28.5 °C and the absolute minimum −9.4 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Frost days | Summer days |
|---|---|---|---|---|---|---|
| Jan | 1.8 °C | 12.1 °C | −9.1 °C | 47 | 24 | 0 |
| Feb | 1.7 °C | 12.9 °C | −9.4 °C | 46 | 22 | 0 |
| Mar | 4.4 °C | 15.6 °C | −6.5 °C | 51 | 17 | 0 |
| Apr | 7.2 °C | 19.1 °C | −3.3 °C | 57 | 7 | 0 |
| May | 11.2 °C | 23.5 °C | 1.2 °C | 90 | 1 | 2 |
| Jun | 14.9 °C | 27.0 °C | 4.8 °C | 90 | 0 | 9 |
| Jul | 16.9 °C | 28.5 °C | 7.3 °C | 102 | 0 | 13 |
| Aug | 16.9 °C | 28.1 °C | 6.8 °C | 102 | 0 | 12 |
| Sep | 13.2 °C | 23.8 °C | 3.5 °C | 74 | 0 | 2 |
| Oct | 10.1 °C | 21.3 °C | −0.5 °C | 69 | 3 | 0 |
| Nov | 5.3 °C | 16.8 °C | −5.0 °C | 62 | 13 | 0 |
| Dec | 2.7 °C | 13.2 °C | −8.0 °C | 65 | 22 | 0 |
| Year | 8.9 °C | 28.5 °C | −9.4 °C | 856 | 109 | 39 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Le Moléson (9 km, 1974 m), Fribourg / Grangeneuve (17 km, 651 m), Château-d'Oex (19 km, 1028 m), adjusted to the elevation of Riaz (860 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Riaz:
- Weather Echarlens
- Weather Vuadens
- Weather Le Pâquier (FR)
- Weather Marsens
- Weather Vaulruz
- Weather Bulle
- Weather Sâles
- Weather Morlon
- Weather Sorens
- Weather Le Châtelard
- Weather Grangettes
- Weather Corbières
→ Nearby cities · Canton Fribourg
Frequently asked questions about weather in Riaz
What is the weather in Riaz today?
At the top of the page you will find the current temperature, precipitation and wind in Riaz, updated in real time.
What is the 15-day forecast for Riaz?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Riaz.
Will it rain tomorrow in Riaz?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Riaz.
What is the air quality in Riaz?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Riaz.
Are there weather alerts for Riaz?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Riaz located?
Riaz sits at around 860 m above sea level in the canton of Fribourg. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Riaz?
The warmest month in Riaz is July, averaging 16.9 °C (1991–2020 normal). The coldest is February at 1.7 °C.
How much does it rain in Riaz per year?
Riaz receives about 856 mm of precipitation a year. The wettest month is July (102 mm), the driest February (46 mm).
When is the best time to visit Riaz?
For warmth and sunshine: July (16.9 °C on average, — h of sun). The coldest month is February (1.7 °C). Check the 15-day forecast above for your dates.