About Aarwangen
Aarwangen is a Swiss municipality located in the canton of Bern (BE), at 47.237° latitude and 7.767° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Aarwangen, Aarwangen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Aarwangen
The climate in Aarwangen 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 Aarwangen and neighboring municipalities.
On this page you will find the detailed weather forecast for Aarwangen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Aarwangen: 1991–2020 normals
In Aarwangen (467 m), the mean annual temperature is 9.3 °C. The warmest month is July (18.7 °C on average) and the coldest January (0.4 °C). About 1116 mm of precipitation falls per year, peaking in July (118 mm) with a minimum in February (67 mm). The sun shines for about 1651 hours a year, mostly in July (243 h). On average there are 92 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.2 °C and the absolute minimum −9.7 °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 | 0.4 °C | 10.3 °C | −9.7 °C | 83 | 43 | 21 | 0 |
| Feb | 1.0 °C | 12.7 °C | −9.6 °C | 67 | 81 | 20 | 0 |
| Mar | 4.9 °C | 18.5 °C | −5.7 °C | 74 | 140 | 16 | 0 |
| Apr | 8.9 °C | 23.3 °C | −2.4 °C | 76 | 176 | 5 | 1 |
| May | 13.2 °C | 27.5 °C | 2.1 °C | 112 | 196 | 0 | 4 |
| Jun | 17.0 °C | 31.0 °C | 6.0 °C | 104 | 221 | 0 | 12 |
| Jul | 18.7 °C | 32.2 °C | 8.7 °C | 118 | 243 | 0 | 17 |
| Aug | 18.2 °C | 31.4 °C | 7.8 °C | 116 | 219 | 0 | 15 |
| Sep | 13.9 °C | 26.3 °C | 4.0 °C | 90 | 158 | 0 | 4 |
| Oct | 9.4 °C | 20.9 °C | −0.3 °C | 90 | 95 | 2 | 0 |
| Nov | 4.3 °C | 14.8 °C | −4.7 °C | 83 | 46 | 10 | 0 |
| Dec | 1.2 °C | 10.9 °C | −8.3 °C | 101 | 33 | 19 | 0 |
| Year | 9.3 °C | 32.2 °C | −9.7 °C | 1116 | 1651 | 92 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Wynau (3 km, 422 m), Koppigen (18 km, 485 m), Gösgen (21 km, 380 m), adjusted to the elevation of Aarwangen (467 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Aarwangen:
- Weather Bannwil
- Weather Schwarzhäusern
- Weather Thunstetten
- Weather Langenthal
- Weather Roggwil (BE)
- Weather Wynau
- Weather Graben
- Weather Wolfwil
- Weather Kestenholz
- Weather Niederbipp
- Weather Berken
- Weather Lotzwil
Frequently asked questions about weather in Aarwangen
What is the weather in Aarwangen today?
At the top of the page you will find the current temperature, precipitation and wind in Aarwangen, updated in real time.
What is the 15-day forecast for Aarwangen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Aarwangen.
Will it rain tomorrow in Aarwangen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Aarwangen.
What is the air quality in Aarwangen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Aarwangen.
Are there weather alerts for Aarwangen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Aarwangen located?
Aarwangen sits at around 467 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 Aarwangen?
The warmest month in Aarwangen is July, averaging 18.7 °C (1991–2020 normal). The coldest is January at 0.4 °C.
How much does it rain in Aarwangen per year?
Aarwangen receives about 1116 mm of precipitation a year. The wettest month is July (118 mm), the driest February (67 mm).
When is the best time to visit Aarwangen?
For warmth and sunshine: July (18.7 °C on average, 243 h of sun). The coldest month is January (0.4 °C). Check the 15-day forecast above for your dates.