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Weather Grengiols

7-day forecast for Grengiols

Today (Thursday 20 Aug) in Grengiols: thunderstorms with hail, 9 to 15 °C, precipitation 5.0 mm (88 %), wind up to 23 km/h. Tomorrow: thunderstorms, 5 to 11 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms with hail9 °C15 °C5.0 mm23 km/h
Tomorrowthunderstorms5 °C11 °C6.5 mm36 km/h
Sat 22 Augovercast3 °C13 °C0.0 mm15 km/h
Sun 23 Augpartly cloudy5 °C16 °C0.0 mm6 km/h
Mon 24 Augovercast8 °C15 °C0.0 mm12 km/h
Tue 25 Augshowers9 °C14 °C2.4 mm11 km/h
Wed 26 Augovercast9 °C16 °C0.0 mm12 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 2316 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Grengiols

Grengiols is a Swiss municipality located in the canton of Valais (VS), at 46.344° latitude and 8.136° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Grengiols, Grengiols benefits from precise weather monitoring with hourly and 15-day forecasts.

2316m Elevation
High alpine Zone
Snow & altitude climate Above 2000 m snow can fall in any season and lies for months; watch the rain-snow limit and avalanche risk in winter.

Climate of Grengiols

The climate in Grengiols 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 Grengiols and neighboring municipalities.

On this page you will find the detailed weather forecast for Grengiols: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.

Climate of Grengiols: 1991–2020 normals

In Grengiols (2316 m), the mean annual temperature is 0.7 °C. The warmest month is July (9.1 °C on average) and the coldest January (−6.9 °C). About 1158 mm of precipitation falls per year, peaking in November (121 mm) with a minimum in February (78 mm). The mean monthly maximum reaches 20.3 °C and the absolute minimum −18.7 °C.

0.7 °CMean annual temperature
1158 mmPrecipitation per year
JFMAMJJASOND

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

MonthMean TAbs. maxAbs. minPrecip. (mm)
Jan−6.9 °C3.6 °C−18.7 °C100
Feb−6.6 °C4.6 °C−17.8 °C78
Mar−4.2 °C6.2 °C−16.1 °C86
Apr−1.0 °C8.7 °C−12.0 °C84
May2.8 °C13.1 °C−7.3 °C113
Jun7.1 °C18.9 °C−2.8 °C91
Jul9.1 °C20.3 °C−0.7 °C87
Aug9.1 °C20.0 °C−1.1 °C98
Sep5.4 °C16.2 °C−5.1 °C82
Oct2.3 °C12.7 °C−8.5 °C103
Nov−3.0 °C8.3 °C−14.4 °C121
Dec−5.8 °C4.4 °C−17.3 °C114
Year0.7 °C20.3 °C−18.7 °C1158

Source: MeteoSwiss open data (1991–2020 normals) — stations Eggishorn (10 km, 2892 m), Ulrichen (22 km, 1346 m), Visp (23 km, 639 m), adjusted to the elevation of Grengiols (2316 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Grengiols:

Frequently asked questions about weather in Grengiols

What is the weather in Grengiols today?

At the top of the page you will find the current temperature, precipitation and wind in Grengiols, updated in real time.

What is the 15-day forecast for Grengiols?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Grengiols.

Will it rain tomorrow in Grengiols?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Grengiols.

What is the air quality in Grengiols?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Grengiols.

Are there weather alerts for Grengiols?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Grengiols located?

Grengiols sits at around 2316 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 Grengiols?

The warmest month in Grengiols is July, averaging 9.1 °C (1991–2020 normal). The coldest is January at −6.9 °C.

How much does it rain in Grengiols per year?

Grengiols receives about 1158 mm of precipitation a year. The wettest month is November (121 mm), the driest February (78 mm).

When is the best time to visit Grengiols?

For warmth and sunshine: July (9.1 °C on average, — h of sun). The coldest month is January (−6.9 °C). Check the 15-day forecast above for your dates.