About Port-Valais
Port-Valais is a Swiss municipality located in the canton of Valais (VS), at 46.380° latitude and 6.861° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Port-Valais, Port-Valais benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Port-Valais
The climate in Port-Valais 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 Port-Valais and neighboring municipalities.
On this page you will find the detailed weather forecast for Port-Valais: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Port-Valais: 1991–2020 normals
In Port-Valais (374 m), the mean annual temperature is 10.8 °C. The warmest month is July (19.8 °C on average) and the coldest January (2.2 °C). About 958 mm of precipitation falls per year, peaking in July (112 mm) with a minimum in February (56 mm). The sun shines for about 1861 hours a year, mostly in July (229 h). On average there are 72 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.8 °C and the absolute minimum −8.3 °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 | 2.2 °C | 12.5 °C | −8.3 °C | 64 | 89 | 19 | 0 |
| Feb | 3.0 °C | 13.7 °C | −6.7 °C | 56 | 111 | 16 | 0 |
| Mar | 6.8 °C | 18.2 °C | −3.1 °C | 60 | 161 | 9 | 0 |
| Apr | 10.4 °C | 22.7 °C | −0.5 °C | 64 | 177 | 2 | 0 |
| May | 14.4 °C | 26.6 °C | 4.0 °C | 93 | 185 | 0 | 3 |
| Jun | 18.0 °C | 29.6 °C | 7.2 °C | 94 | 210 | 0 | 11 |
| Jul | 19.8 °C | 30.8 °C | 9.6 °C | 112 | 229 | 0 | 18 |
| Aug | 19.3 °C | 30.2 °C | 9.0 °C | 106 | 216 | 0 | 15 |
| Sep | 15.3 °C | 25.6 °C | 5.5 °C | 79 | 179 | 0 | 3 |
| Oct | 11.2 °C | 21.8 °C | 1.0 °C | 78 | 138 | 1 | 0 |
| Nov | 6.2 °C | 17.5 °C | −3.3 °C | 74 | 90 | 8 | 0 |
| Dec | 3.1 °C | 13.4 °C | −6.8 °C | 78 | 76 | 17 | 0 |
| Year | 10.8 °C | 30.8 °C | −8.3 °C | 958 | 1861 | 72 | 50 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Aigle (8 km, 381 m), Pully (21 km, 456 m), Le Moléson (22 km, 1974 m), adjusted to the elevation of Port-Valais (374 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Port-Valais:
- Weather Noville
- Weather Saint-Gingolph
- Weather Chessel
- Weather Rennaz
- Weather Roche (VD)
- Weather Vouvry
- Weather Yvorne
- Weather La Tour-de-Peilz
- Weather Vionnaz
- Weather Montreux
- Weather Villeneuve (VD)
- Weather Veytaux
→ Nearby cities · Canton Valais
Frequently asked questions about weather in Port-Valais
What is the weather in Port-Valais today?
At the top of the page you will find the current temperature, precipitation and wind in Port-Valais, updated in real time.
What is the 15-day forecast for Port-Valais?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Port-Valais.
Will it rain tomorrow in Port-Valais?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Port-Valais.
What is the air quality in Port-Valais?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Port-Valais.
Are there weather alerts for Port-Valais?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Port-Valais located?
Port-Valais sits at around 374 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 Port-Valais?
The warmest month in Port-Valais is July, averaging 19.8 °C (1991–2020 normal). The coldest is January at 2.2 °C.
How much does it rain in Port-Valais per year?
Port-Valais receives about 958 mm of precipitation a year. The wettest month is July (112 mm), the driest February (56 mm).
When is the best time to visit Port-Valais?
For warmth and sunshine: July (19.8 °C on average, 229 h of sun). The coldest month is January (2.2 °C). Check the 15-day forecast above for your dates.