About Boswil
Boswil is a Swiss municipality located in the canton of Aargau (AG), at 47.299° latitude and 8.312° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Boswil, Boswil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Boswil
The climate in Boswil 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 Boswil and neighboring municipalities.
On this page you will find the detailed weather forecast for Boswil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Boswil: 1991–2020 normals
In Boswil (467 m), the mean annual temperature is 9.8 °C. The warmest month is July (19.2 °C on average) and the coldest January (0.9 °C). About 1022 mm of precipitation falls per year, peaking in July (119 mm) with a minimum in February (54 mm). The sun shines for about 1594 hours a year, mostly in July (230 h). On average there are 79 frost days and 12 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.3 °C and the absolute minimum −8.9 °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 | 0.9 °C | 11.4 °C | −8.9 °C | 59 | 45 | 20 | 0 |
| Feb | 1.7 °C | 13.5 °C | −8.5 °C | 54 | 77 | 18 | 0 |
| Mar | 5.7 °C | 18.9 °C | −5.0 °C | 60 | 135 | 11 | 0 |
| Apr | 9.7 °C | 23.5 °C | −1.7 °C | 74 | 172 | 3 | 1 |
| May | 13.8 °C | 27.6 °C | 2.7 °C | 117 | 188 | 0 | 4 |
| Jun | 17.5 °C | 31.2 °C | 6.8 °C | 114 | 210 | 0 | 12 |
| Jul | 19.2 °C | 32.3 °C | 9.0 °C | 119 | 230 | 0 | 16 |
| Aug | 18.7 °C | 31.6 °C | 8.4 °C | 118 | 212 | 0 | 15 |
| Sep | 14.5 °C | 26.8 °C | 4.4 °C | 82 | 154 | 0 | 4 |
| Oct | 10.0 °C | 21.8 °C | 0.2 °C | 78 | 90 | 1 | 0 |
| Nov | 4.8 °C | 15.6 °C | −4.3 °C | 69 | 46 | 8 | 0 |
| Dec | 1.7 °C | 12.0 °C | −8.6 °C | 78 | 35 | 17 | 0 |
| Year | 9.8 °C | 32.3 °C | −8.9 °C | 1022 | 1594 | 79 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (17 km, 443 m), Buchs / Aarau (20 km, 387 m), Zürich / Affoltern (21 km, 444 m), adjusted to the elevation of Boswil (467 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Boswil:
- Weather Bünzen
- Weather Kallern
- Weather Besenbüren
- Weather Muri (AG)
- Weather Bettwil
- Weather Uezwil
- Weather Buttwil
- Weather Waltenschwil
- Weather Aristau
- Weather Rottenschwil
- Weather Büttikon
- Weather Sarmenstorf
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Boswil
What is the weather in Boswil today?
At the top of the page you will find the current temperature, precipitation and wind in Boswil, updated in real time.
What is the 15-day forecast for Boswil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Boswil.
Will it rain tomorrow in Boswil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Boswil.
What is the air quality in Boswil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Boswil.
Are there weather alerts for Boswil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Boswil located?
Boswil sits at around 467 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Boswil?
The warmest month in Boswil is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 0.9 °C.
How much does it rain in Boswil per year?
Boswil receives about 1022 mm of precipitation a year. The wettest month is July (119 mm), the driest February (54 mm).
When is the best time to visit Boswil?
For warmth and sunshine: July (19.2 °C on average, 230 h of sun). The coldest month is January (0.9 °C). Check the 15-day forecast above for your dates.