About Witterswil
Witterswil is a Swiss municipality located in the canton of Solothurn (SO), at 47.488° latitude and 7.526° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Witterswil, Witterswil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Witterswil
The climate in Witterswil 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 Witterswil and neighboring municipalities.
On this page you will find the detailed weather forecast for Witterswil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Witterswil: 1991–2020 normals
In Witterswil (351 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.7 °C on average) and the coldest January (2.0 °C). About 855 mm of precipitation falls per year, peaking in May (98 mm) with a minimum in February (46 mm). The sun shines for about 1703 hours a year, mostly in July (236 h). On average there are 63 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.9 °C and the absolute minimum −8.3 °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 | 2.0 °C | 13.4 °C | −8.3 °C | 49 | 66 | 16 | 0 |
| Feb | 3.0 °C | 15.0 °C | −7.3 °C | 46 | 88 | 14 | 0 |
| Mar | 6.7 °C | 20.1 °C | −4.0 °C | 50 | 138 | 8 | 0 |
| Apr | 10.4 °C | 24.4 °C | −0.8 °C | 64 | 168 | 2 | 1 |
| May | 14.3 °C | 28.0 °C | 3.5 °C | 98 | 184 | 0 | 5 |
| Jun | 17.9 °C | 31.5 °C | 7.4 °C | 88 | 209 | 0 | 12 |
| Jul | 19.7 °C | 32.9 °C | 9.7 °C | 90 | 236 | 0 | 18 |
| Aug | 19.3 °C | 32.0 °C | 9.1 °C | 90 | 218 | 0 | 16 |
| Sep | 15.1 °C | 26.8 °C | 5.3 °C | 71 | 163 | 0 | 5 |
| Oct | 10.8 °C | 22.8 °C | 1.1 °C | 75 | 111 | 1 | 0 |
| Nov | 5.8 °C | 16.8 °C | −3.3 °C | 66 | 67 | 6 | 0 |
| Dec | 2.7 °C | 14.1 °C | −7.0 °C | 66 | 55 | 15 | 0 |
| Year | 10.6 °C | 32.9 °C | −8.3 °C | 855 | 1703 | 63 | 58 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (7 km, 316 m), St. Chrischona (15 km, 493 m), Delémont (20 km, 439 m), adjusted to the elevation of Witterswil (351 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Witterswil:
- Weather Bättwil
- Weather Ettingen
- Weather Hofstetten-Flüh
- Weather Biel-Benken
- Weather Therwil
- Weather Metzerlen-Mariastein
- Weather Oberwil (BL)
- Weather Blauen
- Weather Pfeffingen
- Weather Aesch (BL)
- Weather Nenzlingen
- Weather Schönenbuch
→ Nearby cities · Canton Solothurn
Frequently asked questions about weather in Witterswil
What is the weather in Witterswil today?
At the top of the page you will find the current temperature, precipitation and wind in Witterswil, updated in real time.
What is the 15-day forecast for Witterswil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Witterswil.
Will it rain tomorrow in Witterswil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Witterswil.
What is the air quality in Witterswil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Witterswil.
Are there weather alerts for Witterswil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Witterswil located?
Witterswil sits at around 351 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 Witterswil?
The warmest month in Witterswil is July, averaging 19.7 °C (1991–2020 normal). The coldest is January at 2.0 °C.
How much does it rain in Witterswil per year?
Witterswil receives about 855 mm of precipitation a year. The wettest month is May (98 mm), the driest February (46 mm).
When is the best time to visit Witterswil?
For warmth and sunshine: July (19.7 °C on average, 236 h of sun). The coldest month is January (2.0 °C). Check the 15-day forecast above for your dates.