About Brittnau
Brittnau is a Swiss municipality located in the canton of Aargau (AG), at 47.260° latitude and 7.899° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Brittnau, Brittnau benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Brittnau
The climate in Brittnau 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 Brittnau and neighboring municipalities.
On this page you will find the detailed weather forecast for Brittnau: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Brittnau: 1991–2020 normals
In Brittnau (536 m), the mean annual temperature is 9.0 °C. The warmest month is July (18.4 °C on average) and the coldest January (0.2 °C). About 1095 mm of precipitation falls per year, peaking in July (117 mm) with a minimum in February (65 mm). The sun shines for about 1635 hours a year, mostly in July (240 h). On average there are 89 frost days and 13 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.0 °C and the absolute minimum −9.8 °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 | 0.2 °C | 10.2 °C | −9.8 °C | 80 | 42 | 21 | 0 |
| Feb | 0.8 °C | 12.5 °C | −9.5 °C | 65 | 80 | 20 | 0 |
| Mar | 4.8 °C | 18.2 °C | −5.9 °C | 73 | 139 | 15 | 0 |
| Apr | 8.7 °C | 22.9 °C | −2.5 °C | 76 | 175 | 4 | 1 |
| May | 12.9 °C | 27.1 °C | 1.8 °C | 111 | 194 | 0 | 4 |
| Jun | 16.7 °C | 30.6 °C | 5.7 °C | 104 | 218 | 0 | 12 |
| Jul | 18.4 °C | 32.0 °C | 8.4 °C | 117 | 240 | 0 | 17 |
| Aug | 17.8 °C | 31.0 °C | 7.6 °C | 116 | 218 | 0 | 15 |
| Sep | 13.6 °C | 25.9 °C | 3.7 °C | 86 | 157 | 0 | 4 |
| Oct | 9.2 °C | 20.6 °C | −0.5 °C | 87 | 94 | 2 | 0 |
| Nov | 4.1 °C | 14.5 °C | −4.8 °C | 82 | 45 | 9 | 0 |
| Dec | 0.9 °C | 10.7 °C | −8.3 °C | 98 | 33 | 18 | 0 |
| Year | 9.0 °C | 32.0 °C | −9.8 °C | 1095 | 1635 | 89 | 53 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Wynau (8 km, 422 m), Gösgen (13 km, 380 m), Buchs / Aarau (19 km, 387 m), adjusted to the elevation of Brittnau (536 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Brittnau:
- Weather Vordemwald
- Weather Strengelbach
- Weather Rothrist
- Weather Murgenthal
- Weather Roggliswil
- Weather Zofingen
- Weather Wikon
- Weather Fulenbach
- Weather Pfaffnau
- Weather Boningen
- Weather Reiden
- Weather Roggwil (BE)
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Brittnau
What is the weather in Brittnau today?
At the top of the page you will find the current temperature, precipitation and wind in Brittnau, updated in real time.
What is the 15-day forecast for Brittnau?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Brittnau.
Will it rain tomorrow in Brittnau?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Brittnau.
What is the air quality in Brittnau?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Brittnau.
Are there weather alerts for Brittnau?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Brittnau located?
Brittnau sits at around 536 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 Brittnau?
The warmest month in Brittnau is July, averaging 18.4 °C (1991–2020 normal). The coldest is January at 0.2 °C.
How much does it rain in Brittnau per year?
Brittnau receives about 1095 mm of precipitation a year. The wettest month is July (117 mm), the driest February (65 mm).
When is the best time to visit Brittnau?
For warmth and sunshine: July (18.4 °C on average, 240 h of sun). The coldest month is January (0.2 °C). Check the 15-day forecast above for your dates.