About Heimiswil
Heimiswil is a Swiss municipality located in the canton of Bern (BE), at 47.054° latitude and 7.663° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Heimiswil, Heimiswil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Heimiswil
The climate in Heimiswil is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. 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 Heimiswil and neighboring municipalities.
On this page you will find the detailed weather forecast for Heimiswil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Heimiswil: 1991–2020 normals
In Heimiswil (652 m), the mean annual temperature is 8.7 °C. The warmest month is July (18.0 °C on average) and the coldest January (−0.3 °C). About 1101 mm of precipitation falls per year, peaking in August (124 mm) with a minimum in February (60 mm). The sun shines for about 1796 hours a year, mostly in July (245 h). On average there are 93 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.5 °C and the absolute minimum −11.2 °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 | −0.3 °C | 10.3 °C | −11.2 °C | 67 | 66 | 22 | 0 |
| Feb | 0.5 °C | 12.6 °C | −10.7 °C | 60 | 94 | 20 | 0 |
| Mar | 4.6 °C | 18.0 °C | −6.3 °C | 68 | 151 | 14 | 0 |
| Apr | 8.3 °C | 22.4 °C | −2.9 °C | 82 | 179 | 4 | 0 |
| May | 12.5 °C | 26.7 °C | 1.1 °C | 117 | 197 | 0 | 3 |
| Jun | 16.2 °C | 30.0 °C | 4.7 °C | 116 | 223 | 0 | 11 |
| Jul | 18.0 °C | 31.5 °C | 7.5 °C | 118 | 245 | 0 | 16 |
| Aug | 17.7 °C | 30.8 °C | 6.9 °C | 124 | 228 | 0 | 14 |
| Sep | 13.5 °C | 25.6 °C | 3.1 °C | 92 | 175 | 0 | 4 |
| Oct | 9.0 °C | 20.8 °C | −1.5 °C | 89 | 119 | 2 | 0 |
| Nov | 3.7 °C | 14.8 °C | −5.9 °C | 80 | 66 | 10 | 0 |
| Dec | 0.4 °C | 10.7 °C | −9.9 °C | 87 | 53 | 20 | 0 |
| Year | 8.7 °C | 31.5 °C | −11.2 °C | 1101 | 1796 | 93 | 49 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Koppigen (8 km, 485 m), Bern / Zollikofen (17 km, 553 m), Langnau i.E. (17 km, 744 m), adjusted to the elevation of Heimiswil (652 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Heimiswil:
- Weather Burgdorf
- Weather Rüegsau
- Weather Kirchberg (BE)
- Weather Affoltern im Emmental
- Weather Hasle bei Burgdorf
- Weather Sumiswald
- Weather Oberburg
- Weather Rumendingen
- Weather Rüti bei Lyssach
- Weather Wynigen
- Weather Ersigen
- Weather Rüderswil
Frequently asked questions about weather in Heimiswil
What is the weather in Heimiswil today?
At the top of the page you will find the current temperature, precipitation and wind in Heimiswil, updated in real time.
What is the 15-day forecast for Heimiswil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Heimiswil.
Will it rain tomorrow in Heimiswil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Heimiswil.
What is the air quality in Heimiswil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Heimiswil.
Are there weather alerts for Heimiswil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Heimiswil located?
Heimiswil sits at around 652 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 Heimiswil?
The warmest month in Heimiswil is July, averaging 18.0 °C (1991–2020 normal). The coldest is January at −0.3 °C.
How much does it rain in Heimiswil per year?
Heimiswil receives about 1101 mm of precipitation a year. The wettest month is August (124 mm), the driest February (60 mm).
When is the best time to visit Heimiswil?
For warmth and sunshine: July (18.0 °C on average, 245 h of sun). The coldest month is January (−0.3 °C). Check the 15-day forecast above for your dates.