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Weather in Vionnaz

Valais, 421 m · continuously updated

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Rhône: 7.4 °C at Porte du Scex river temperature · FOEN gauge 4.7 km away · 14.11. 11h

Temperature · last 4 and next 28 hours

Vionnaz weather: the next 24 hours

Updated hourly.

Vionnaz weather hour by hour (48 h)

Vionnaz 15-day forecast

Two-week trend.

Vionnaz weekend weatherRain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Vionnaz

Neighbouring municipalities, as the crow flies.

7-day forecast for Vionnaz

Today (Saturday 14 Nov) in Vionnaz: fog, 5 to 8 °C, precipitation 0.0 mm (3 %), wind up to 6 km/h. Tomorrow: showers, 7 to 12 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayfog5 °C8 °C0.0 mm6 km/h
Tomorrowshowers7 °C12 °C11.7 mm7 km/h
Mon 16 Novshowers6 °C10 °C12.7 mm8 km/h
Tue 17 Novrain9 °C13 °C11.3 mm11 km/h
Wed 18 Novshowers8 °C12 °C12.0 mm12 km/h
Thu 19 Novshowers7 °C14 °C8.8 mm11 km/h
Fri 20 Novshowers4 °C9 °C4.9 mm20 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 421 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Vionnaz. Tomorrow: rain from 01:00 to 10:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Vionnaz

Saturday 14 Nov in Vionnaz, hour by hour: mostly sunny in the morning, mostly sunny in the afternoon, overcast in the evening. Low 5 °C around 08:00, high 8 °C around 14:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00overcast6 °C0.0 mm3 km/h
01:00overcast6 °C0.0 mm3 km/h
02:00overcast6 °C0.0 mm5 km/h
03:00overcast6 °C0.0 mm6 km/h
04:00overcast5 °C0.0 mm6 km/h
05:00partly cloudy5 °C0.0 mm3 km/h
06:00partly cloudy5 °C0.0 mm2 km/h
07:00fog5 °C0.0 mm1 km/h
08:00partly cloudy5 °C0.0 mm1 km/h
09:00fog5 °C0.0 mm4 km/h
10:00mostly sunny6 °C0.0 mm2 km/h
11:00mostly sunny7 °C0.0 mm3 km/h
12:00mostly sunny8 °C0.0 mm5 km/h
13:00mostly sunny8 °C0.0 mm5 km/h
14:00mostly sunny8 °C0.0 mm6 km/h
15:00mostly sunny8 °C0.0 mm3 km/h
16:00mostly sunny8 °C0.0 mm2 km/h
17:00overcast7 °C0.0 mm4 km/h
18:00overcast6 °C0.0 mm1 km/h
19:00overcast6 °C0.0 mm1 km/h
20:00overcast6 °C0.0 mm1 km/h
21:00overcast7 °C0.0 mm2 km/h
22:00overcast7 °C0.0 mm4 km/h
23:00overcast6 °C0.0 mm3 km/h

Hourly forecast issued 14.11.2026 for Vionnaz (421 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Vionnaz

Today, Saturday 14 Nov in Vionnaz: fog, 5 to 8 °C, wind up to 6 km/h. No precipitation expected. A day in line with the climate normal for November in Vionnaz (5.5 °C average over 1991-2020).

Vionnaz weather tomorrow

Tomorrow, Sunday 15 Nov, in Vionnaz: showers, 7 to 12 °C, wind up to 7 km/h. Precipitation expected: 11.7 mm, 92 % probability.

What is the temperature in Vionnaz?

Today in Vionnaz (421 m): 5 to 8 °C. Tomorrow: 7 to 12 °C. Over the next 7 days, highs range from 8 to 14 °C, averaging 11 °C.

Vionnaz weekend weather

This weekend in Vionnaz: Saturday fog, 5 to 8 °C; Sunday showers, 7 to 12 °C.

Will it rain in Vionnaz this week?

Yes: 6 days with precipitation are expected in Vionnaz over the next 7 days, 61.4 mm in total. Wettest day: Monday 16 Nov (12.7 mm).

What is the UV index in Vionnaz?

Today in Vionnaz (421 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.

The best day to go out in Vionnaz

The best day of the next 7 in Vionnaz: Saturday 14 Nov, fog, up to 8 °C.

Climate of Vionnaz: 1991–2020 normals

In Vionnaz (421 m), the mean annual temperature is 10.3 °C. The warmest month is July (19.4 °C on average) and the coldest January (1.5 °C). About 994 mm of precipitation falls per year, peaking in July (119 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 77 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.5 °C and the absolute minimum −9.3 °C.

10.3 °CMean annual temperature
994 mmPrecipitation per year
1846 hSunshine hours per year
77Frost days per year
51Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan1.5 °C12.2 °C−9.3 °C6891200
Feb2.5 °C13.4 °C−7.3 °C58111170
Mar6.4 °C18.1 °C−3.6 °C6316090
Apr10.2 °C22.6 °C−1.1 °C6617420
May14.2 °C26.5 °C3.4 °C9518103
Jun17.7 °C29.3 °C6.6 °C97206011
Jul19.4 °C30.5 °C8.9 °C119224018
Aug18.9 °C29.9 °C8.3 °C112213015
Sep14.8 °C25.4 °C4.8 °C8117703
Oct10.6 °C21.4 °C0.2 °C7813910
Nov5.5 °C17.2 °C−4.2 °C769290
Dec2.3 °C13.0 °C−7.7 °C8178180
Year10.3 °C30.5 °C−9.3 °C99418467751

At what altitude is Vionnaz located?

Vionnaz sits at around 421 m above sea level in the canton of Valais. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.

What is the warmest month in Vionnaz?

The warmest month in Vionnaz is July, averaging 19.4 °C; the coldest is January, at 1.5 °C. The annual mean is 10.3 °C (MeteoSwiss 1991–2020 normals, reference station Aigle).

How much does it rain in Vionnaz per year?

Vionnaz receives about 994 mm of precipitation a year, or 83 mm a month on average. The wettest month is July (119 mm) and the driest February (58 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Vionnaz have?

Vionnaz averages 77 frost days a year, most of them in January (20 days). Conversely, 51 summer days exceed 25 °C, 6 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Vionnaz get per year?

The sun shines for about 1846 hours a year in Vionnaz. The sunniest month is July (224 h) and the least sunny December (78 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Vionnaz?

In Vionnaz, the monthly mean rises from 1.5 °C in January to 19.4 °C in July: a 17.9 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −9.3 °C to 30.5 °C.

When is the best time to visit Vionnaz?

For warmth and sunshine: July (19.4 °C on average, 224 h of sun). To avoid rain, February is the driest month (58 mm). The coldest month is January (1.5 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Aigle (3 km, 381 m), Evionnaz (17 km, 482 m), Les Diablerets (23 km, 2964 m), adjusted to the elevation of Vionnaz (421 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.