About Bolken
Bolken is a Swiss municipality located in the canton of Solothurn (SO), at 47.193° latitude and 7.660° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Bolken, Bolken benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Bolken
The climate in Bolken 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 Bolken and neighboring municipalities.
On this page you will find the detailed weather forecast for Bolken: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Bolken: 1991–2020 normals
In Bolken (477 m), the mean annual temperature is 9.4 °C. The warmest month is July (18.8 °C on average) and the coldest January (0.4 °C). About 1061 mm of precipitation falls per year, peaking in August (115 mm) with a minimum in February (61 mm). The sun shines for about 1651 hours a year, mostly in July (243 h). On average there are 91 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.4 °C and the absolute minimum −10.2 °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 | 0.4 °C | 10.6 °C | −10.2 °C | 72 | 43 | 21 | 0 |
| Feb | 1.2 °C | 12.9 °C | −9.8 °C | 61 | 81 | 20 | 0 |
| Mar | 5.2 °C | 18.7 °C | −5.7 °C | 67 | 140 | 14 | 0 |
| Apr | 9.1 °C | 23.3 °C | −2.4 °C | 76 | 176 | 4 | 1 |
| May | 13.3 °C | 27.5 °C | 1.9 °C | 108 | 196 | 0 | 4 |
| Jun | 17.0 °C | 31.0 °C | 5.6 °C | 106 | 221 | 0 | 12 |
| Jul | 18.8 °C | 32.4 °C | 8.3 °C | 112 | 243 | 0 | 17 |
| Aug | 18.4 °C | 31.6 °C | 7.6 °C | 115 | 219 | 0 | 15 |
| Sep | 14.2 °C | 26.4 °C | 3.8 °C | 87 | 158 | 0 | 4 |
| Oct | 9.6 °C | 21.2 °C | −0.6 °C | 87 | 95 | 2 | 0 |
| Nov | 4.4 °C | 15.0 °C | −5.0 °C | 79 | 46 | 10 | 0 |
| Dec | 1.2 °C | 11.1 °C | −8.8 °C | 91 | 33 | 19 | 0 |
| Year | 9.4 °C | 32.4 °C | −10.2 °C | 1061 | 1651 | 91 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Koppigen (9 km, 485 m), Wynau (12 km, 422 m), Grenchen (19 km, 428 m), adjusted to the elevation of Bolken (477 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Bolken:
- Weather Inkwil
- Weather Etziken
- Weather Niederönz
- Weather Hüniken
- Weather Heimenhausen
- Weather Wangen an der Aare
- Weather Subingen
- Weather Horriwil
- Weather Drei Höfe
- Weather Herzogenbuchsee
- Weather Walliswil bei Wangen
- Weather Oekingen
→ Nearby cities · Canton Solothurn
Frequently asked questions about weather in Bolken
What is the weather in Bolken today?
At the top of the page you will find the current temperature, precipitation and wind in Bolken, updated in real time.
What is the 15-day forecast for Bolken?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Bolken.
Will it rain tomorrow in Bolken?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Bolken.
What is the air quality in Bolken?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Bolken.
Are there weather alerts for Bolken?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Bolken located?
Bolken sits at around 477 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Bolken?
The warmest month in Bolken is July, averaging 18.8 °C (1991–2020 normal). The coldest is January at 0.4 °C.
How much does it rain in Bolken per year?
Bolken receives about 1061 mm of precipitation a year. The wettest month is August (115 mm), the driest February (61 mm).
When is the best time to visit Bolken?
For warmth and sunshine: July (18.8 °C on average, 243 h of sun). The coldest month is January (0.4 °C). Check the 15-day forecast above for your dates.