About Ollon
Ollon is a Swiss municipality located in the canton of Vaud (VD), at 46.302° latitude and 6.974° longitude. The municipality is part of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. Also known as Ollon, Ollon benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Ollon
The climate in Ollon is characteristic of the Lake Geneva region, temperate climate with lake influence, mild winters and warm summers. 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 Ollon and neighboring municipalities.
On this page you will find the detailed weather forecast for Ollon: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Ollon: 1991–2020 normals
In Ollon (394 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.6 °C on average) and the coldest January (1.9 °C). About 988 mm of precipitation falls per year, peaking in July (118 mm) with a minimum in February (58 mm). The sun shines for about 1846 hours a year, mostly in July (224 h). On average there are 75 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.7 °C and the absolute minimum −8.8 °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 | 1.9 °C | 12.7 °C | −8.8 °C | 68 | 91 | 20 | 0 |
| Feb | 2.9 °C | 13.9 °C | −6.9 °C | 58 | 111 | 16 | 0 |
| Mar | 6.7 °C | 18.5 °C | −3.3 °C | 63 | 160 | 9 | 0 |
| Apr | 10.4 °C | 22.7 °C | −0.8 °C | 65 | 174 | 2 | 0 |
| May | 14.3 °C | 26.6 °C | 3.6 °C | 94 | 181 | 0 | 3 |
| Jun | 17.8 °C | 29.6 °C | 6.9 °C | 97 | 206 | 0 | 11 |
| Jul | 19.6 °C | 30.7 °C | 9.2 °C | 118 | 224 | 0 | 18 |
| Aug | 19.1 °C | 30.2 °C | 8.6 °C | 111 | 213 | 0 | 15 |
| Sep | 15.1 °C | 25.7 °C | 5.2 °C | 80 | 177 | 0 | 3 |
| Oct | 11.0 °C | 21.8 °C | 0.7 °C | 78 | 139 | 1 | 0 |
| Nov | 5.9 °C | 17.7 °C | −3.8 °C | 75 | 92 | 9 | 0 |
| Dec | 2.7 °C | 13.5 °C | −7.2 °C | 80 | 78 | 17 | 0 |
| Year | 10.6 °C | 30.7 °C | −8.8 °C | 988 | 1846 | 75 | 51 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Aigle (5 km, 381 m), Evionnaz (14 km, 482 m), Les Diablerets (18 km, 2964 m), adjusted to the elevation of Ollon (394 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Ollon:
- Weather Aigle
- Weather Vionnaz
- Weather Yvorne
- Weather Leysin
- Weather Collombey-Muraz
- Weather Vouvry
- Weather Bex
- Weather Massongex
- Weather Roche (VD)
- Weather Corbeyrier
- Weather Gryon
- Weather Chessel
⛷️ Ski resorts in this municipality: Villars-sur-Ollon
Frequently asked questions about weather in Ollon
What is the weather in Ollon today?
At the top of the page you will find the current temperature, precipitation and wind in Ollon, updated in real time.
What is the 15-day forecast for Ollon?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Ollon.
Will it rain tomorrow in Ollon?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Ollon.
What is the air quality in Ollon?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Ollon.
Are there weather alerts for Ollon?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Ollon located?
Ollon sits at around 394 m above sea level in the canton of Vaud. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Ollon?
The warmest month in Ollon is July, averaging 19.6 °C (1991–2020 normal). The coldest is January at 1.9 °C.
How much does it rain in Ollon per year?
Ollon receives about 988 mm of precipitation a year. The wettest month is July (118 mm), the driest February (58 mm).
When is the best time to visit Ollon?
For warmth and sunshine: July (19.6 °C on average, 224 h of sun). The coldest month is January (1.9 °C). Check the 15-day forecast above for your dates.