About Bister
Bister is a Swiss municipality located in the canton of Valais (VS), at 46.352° latitude and 8.077° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Bister, Bister benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Bister
The climate in Bister 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 Bister and neighboring municipalities.
On this page you will find the detailed weather forecast for Bister: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Bister: 1991–2020 normals
In Bister (1795 m), the mean annual temperature is 3.7 °C. The warmest month is July (12.0 °C on average) and the coldest January (−3.6 °C). About 914 mm of precipitation falls per year, peaking in December (104 mm) with a minimum in September (51 mm). On average there are 182 frost days per year. The mean monthly maximum reaches 23.2 °C and the absolute minimum −14.9 °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 | −3.6 °C | 6.9 °C | −14.9 °C | 88 | 30 | 0 |
| Feb | −3.4 °C | 7.7 °C | −14.1 °C | 60 | 28 | 0 |
| Mar | −1.1 °C | 9.2 °C | −12.7 °C | 70 | 28 | 0 |
| Apr | 2.0 °C | 11.6 °C | −8.9 °C | 56 | 18 | 0 |
| May | 5.7 °C | 16.0 °C | −4.4 °C | 89 | 6 | 0 |
| Jun | 10.1 °C | 21.9 °C | 0.1 °C | 70 | 1 | 3 |
| Jul | 12.0 °C | 23.2 °C | 2.2 °C | 79 | 0 | 6 |
| Aug | 12.0 °C | 22.8 °C | 1.9 °C | 85 | 0 | 4 |
| Sep | 8.3 °C | 19.1 °C | −2.1 °C | 51 | 4 | 0 |
| Oct | 5.3 °C | 15.6 °C | −5.4 °C | 75 | 12 | 0 |
| Nov | 0.1 °C | 11.3 °C | −10.9 °C | 87 | 23 | 0 |
| Dec | −2.6 °C | 7.5 °C | −13.5 °C | 104 | 30 | 0 |
| Year | 3.7 °C | 23.2 °C | −14.9 °C | 914 | 182 | 13 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Eggishorn (8 km, 2892 m), Visp (19 km, 639 m), Blatten, Lötschental (21 km, 1548 m), adjusted to the elevation of Bister (1795 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Bister:
- Weather Bettmeralp
- Weather Mörel-Filet
- Weather Riederalp
- Weather Grengiols
- Weather Bitsch
- Weather Termen
- Weather Naters
- Weather Lax
- Weather Ried-Brig
- Weather Brig-Glis
- Weather Fiesch
- Weather Binn
→ Nearby cities · Canton Valais
Frequently asked questions about weather in Bister
What is the weather in Bister today?
At the top of the page you will find the current temperature, precipitation and wind in Bister, updated in real time.
What is the 15-day forecast for Bister?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Bister.
Will it rain tomorrow in Bister?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Bister.
What is the air quality in Bister?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Bister.
Are there weather alerts for Bister?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Bister located?
Bister sits at around 1795 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 Bister?
The warmest month in Bister is July, averaging 12.0 °C (1991–2020 normal). The coldest is January at −3.6 °C.
How much does it rain in Bister per year?
Bister receives about 914 mm of precipitation a year. The wettest month is December (104 mm), the driest September (51 mm).
When is the best time to visit Bister?
For warmth and sunshine: July (12.0 °C on average, — h of sun). The coldest month is January (−3.6 °C). Check the 15-day forecast above for your dates.