About Birrwil
Birrwil is a Swiss municipality located in the canton of Aargau (AG), at 47.292° latitude and 8.192° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Birrwil, Birrwil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Birrwil
The climate in Birrwil 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 Birrwil and neighboring municipalities.
On this page you will find the detailed weather forecast for Birrwil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Birrwil: 1991–2020 normals
In Birrwil (611 m), the mean annual temperature is 8.9 °C. The warmest month is July (18.2 °C on average) and the coldest January (0.1 °C). About 1046 mm of precipitation falls per year, peaking in August (117 mm) with a minimum in February (59 mm). The sun shines for about 1549 hours a year, mostly in July (225 h). On average there are 77 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.8 °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 | 0.1 °C | 10.3 °C | −9.7 °C | 68 | 41 | 20 | 0 |
| Feb | 0.8 °C | 12.6 °C | −9.1 °C | 59 | 74 | 18 | 0 |
| Mar | 4.8 °C | 18.0 °C | −5.8 °C | 67 | 133 | 11 | 0 |
| Apr | 8.7 °C | 22.7 °C | −2.5 °C | 75 | 169 | 3 | 1 |
| May | 12.8 °C | 26.7 °C | 1.8 °C | 113 | 183 | 0 | 5 |
| Jun | 16.5 °C | 30.4 °C | 5.7 °C | 108 | 205 | 0 | 12 |
| Jul | 18.2 °C | 31.8 °C | 8.0 °C | 116 | 225 | 0 | 17 |
| Aug | 17.7 °C | 30.8 °C | 7.4 °C | 117 | 208 | 0 | 16 |
| Sep | 13.5 °C | 25.8 °C | 3.4 °C | 81 | 151 | 0 | 5 |
| Oct | 9.0 °C | 20.7 °C | −0.6 °C | 81 | 86 | 1 | 0 |
| Nov | 3.9 °C | 14.4 °C | −4.9 °C | 75 | 43 | 8 | 0 |
| Dec | 0.8 °C | 10.8 °C | −8.7 °C | 88 | 31 | 17 | 0 |
| Year | 8.9 °C | 31.8 °C | −9.7 °C | 1046 | 1549 | 77 | 56 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Buchs / Aarau (13 km, 387 m), Gösgen (18 km, 380 m), Cham (24 km, 443 m), adjusted to the elevation of Birrwil (611 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Birrwil:
- Weather Boniswil
- Weather Zetzwil
- Weather Leimbach (AG)
- Weather Leutwil
- Weather Beinwil am See
- Weather Meisterschwanden
- Weather Reinach (AG)
- Weather Fahrwangen
- Weather Hallwil
- Weather Dürrenäsch
- Weather Seengen
- Weather Sarmenstorf
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Birrwil
What is the weather in Birrwil today?
At the top of the page you will find the current temperature, precipitation and wind in Birrwil, updated in real time.
What is the 15-day forecast for Birrwil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Birrwil.
Will it rain tomorrow in Birrwil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Birrwil.
What is the air quality in Birrwil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Birrwil.
Are there weather alerts for Birrwil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Birrwil located?
Birrwil sits at around 611 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 Birrwil?
The warmest month in Birrwil is July, averaging 18.2 °C (1991–2020 normal). The coldest is January at 0.1 °C.
How much does it rain in Birrwil per year?
Birrwil receives about 1046 mm of precipitation a year. The wettest month is August (117 mm), the driest February (59 mm).
When is the best time to visit Birrwil?
For warmth and sunshine: July (18.2 °C on average, 225 h of sun). The coldest month is January (0.1 °C). Check the 15-day forecast above for your dates.