About Sumiswald
Sumiswald is a Swiss municipality located in the canton of Bern (BE), at 47.050° latitude and 7.729° longitude. The municipality is part of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. Also known as Sumiswald, Sumiswald benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Sumiswald
The climate in Sumiswald is characteristic of the Prealps, temperate mountain climate, frequent winter snow at higher elevations. 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 Sumiswald and neighboring municipalities.
On this page you will find the detailed weather forecast for Sumiswald: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Sumiswald: 1991–2020 normals
In Sumiswald (733 m), the mean annual temperature is 8.5 °C. The warmest month is July (17.5 °C on average) and the coldest January (−0.0 °C). About 1227 mm of precipitation falls per year, peaking in August (138 mm) with a minimum in February (68 mm). On average there are 98 frost days and 9 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.5 °C and the absolute minimum −11.0 °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 | −0.0 °C | 10.8 °C | −11.0 °C | 73 | 23 | 0 |
| Feb | 0.5 °C | 12.6 °C | −10.6 °C | 68 | 21 | 0 |
| Mar | 4.3 °C | 17.2 °C | −6.6 °C | 78 | 15 | 0 |
| Apr | 7.8 °C | 21.6 °C | −3.1 °C | 91 | 5 | 0 |
| May | 12.0 °C | 25.9 °C | 1.0 °C | 134 | 0 | 3 |
| Jun | 15.7 °C | 29.1 °C | 4.6 °C | 135 | 0 | 10 |
| Jul | 17.5 °C | 30.5 °C | 7.4 °C | 138 | 0 | 15 |
| Aug | 17.2 °C | 29.9 °C | 6.8 °C | 138 | 0 | 14 |
| Sep | 13.2 °C | 24.9 °C | 3.2 °C | 101 | 0 | 3 |
| Oct | 9.1 °C | 20.9 °C | −1.3 °C | 94 | 2 | 0 |
| Nov | 3.9 °C | 15.3 °C | −5.8 °C | 84 | 11 | 0 |
| Dec | 0.7 °C | 11.2 °C | −9.6 °C | 94 | 21 | 0 |
| Year | 8.5 °C | 30.5 °C | −11.0 °C | 1227 | 98 | 46 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Koppigen (12 km, 485 m), Langnau i.E. (14 km, 744 m), Napf (17 km, 1404 m), adjusted to the elevation of Sumiswald (733 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Sumiswald:
- Weather Affoltern im Emmental
- Weather Dürrenroth
- Weather Wynigen
- Weather Heimiswil
- Weather Walterswil (BE)
- Weather Trachselwald
- Weather Rüegsau
- Weather Oeschenbach
- Weather Wyssachen
- Weather Rüderswil
- Weather Hasle bei Burgdorf
- Weather Kirchberg (BE)
Frequently asked questions about weather in Sumiswald
What is the weather in Sumiswald today?
At the top of the page you will find the current temperature, precipitation and wind in Sumiswald, updated in real time.
What is the 15-day forecast for Sumiswald?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Sumiswald.
Will it rain tomorrow in Sumiswald?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Sumiswald.
What is the air quality in Sumiswald?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Sumiswald.
Are there weather alerts for Sumiswald?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Sumiswald located?
Sumiswald sits at around 733 m above sea level in the canton of Bern. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Sumiswald?
The warmest month in Sumiswald is July, averaging 17.5 °C (1991–2020 normal). The coldest is January at −0.0 °C.
How much does it rain in Sumiswald per year?
Sumiswald receives about 1227 mm of precipitation a year. The wettest month is August (138 mm), the driest February (68 mm).
When is the best time to visit Sumiswald?
For warmth and sunshine: July (17.5 °C on average, — h of sun). The coldest month is January (−0.0 °C). Check the 15-day forecast above for your dates.