About Arch
Arch is a Swiss municipality located in the canton of Bern (BE), at 47.170° latitude and 7.433° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Arch, Arch benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Arch
The climate in Arch 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 Arch and neighboring municipalities.
On this page you will find the detailed weather forecast for Arch: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Arch: 1991–2020 normals
In Arch (441 m), the mean annual temperature is 9.7 °C. The warmest month is July (19.1 °C on average) and the coldest January (0.7 °C). About 1008 mm of precipitation falls per year, peaking in August (112 mm) with a minimum in February (56 mm). The sun shines for about 1796 hours a year, mostly in July (245 h). On average there are 93 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.5 °C and the absolute minimum −10.5 °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 | 0.7 °C | 10.3 °C | −10.5 °C | 62 | 66 | 22 | 0 |
| Feb | 1.5 °C | 12.9 °C | −9.2 °C | 56 | 94 | 20 | 0 |
| Mar | 5.3 °C | 19.0 °C | −6.2 °C | 62 | 151 | 16 | 0 |
| Apr | 9.4 °C | 23.2 °C | −2.5 °C | 75 | 179 | 5 | 0 |
| May | 13.6 °C | 27.3 °C | 1.8 °C | 106 | 197 | 0 | 4 |
| Jun | 17.3 °C | 30.9 °C | 5.5 °C | 103 | 223 | 0 | 12 |
| Jul | 19.1 °C | 32.5 °C | 8.0 °C | 106 | 245 | 0 | 17 |
| Aug | 18.6 °C | 31.6 °C | 7.1 °C | 112 | 228 | 0 | 15 |
| Sep | 14.3 °C | 26.3 °C | 3.5 °C | 84 | 175 | 0 | 4 |
| Oct | 9.8 °C | 20.9 °C | −0.6 °C | 84 | 119 | 2 | 0 |
| Nov | 4.7 °C | 14.8 °C | −5.4 °C | 76 | 66 | 10 | 0 |
| Dec | 1.5 °C | 11.0 °C | −8.9 °C | 81 | 53 | 18 | 0 |
| Year | 9.7 °C | 32.5 °C | −10.5 °C | 1008 | 1796 | 93 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Grenchen (2 km, 428 m), Koppigen (14 km, 485 m), Bern / Zollikofen (20 km, 553 m), adjusted to the elevation of Arch (441 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Arch:
- Weather Rüti bei Büren
- Weather Leuzigen
- Weather Oberwil bei Büren
- Weather Buchegg
- Weather Bettlach
- Weather Lüsslingen-Nennigkofen
- Weather Grenchen
- Weather Lengnau (BE)
- Weather Selzach
- Weather Lüterkofen-Ichertswil
- Weather Meinisberg
- Weather Büren an der Aare
Frequently asked questions about weather in Arch
What is the weather in Arch today?
At the top of the page you will find the current temperature, precipitation and wind in Arch, updated in real time.
What is the 15-day forecast for Arch?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Arch.
Will it rain tomorrow in Arch?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Arch.
What is the air quality in Arch?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Arch.
Are there weather alerts for Arch?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Arch located?
Arch sits at around 441 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 Arch?
The warmest month in Arch is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 0.7 °C.
How much does it rain in Arch per year?
Arch receives about 1008 mm of precipitation a year. The wettest month is August (112 mm), the driest February (56 mm).
When is the best time to visit Arch?
For warmth and sunshine: July (19.1 °C on average, 245 h of sun). The coldest month is January (0.7 °C). Check the 15-day forecast above for your dates.