About Wittnau
Wittnau is a Swiss municipality located in the canton of Aargau (AG), at 47.477° latitude and 7.968° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Wittnau, Wittnau benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Wittnau
The climate in Wittnau 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 Wittnau and neighboring municipalities.
On this page you will find the detailed weather forecast for Wittnau: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Wittnau: 1991–2020 normals
In Wittnau (436 m), the mean annual temperature is 10.2 °C. The warmest month is July (19.4 °C on average) and the coldest January (1.5 °C). About 962 mm of precipitation falls per year, peaking in August (106 mm) with a minimum in February (52 mm). The sun shines for about 1654 hours a year, mostly in July (231 h). On average there are 74 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.3 °C and the absolute minimum −8.2 °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 | 1.5 °C | 12.2 °C | −8.2 °C | 60 | 58 | 19 | 0 |
| Feb | 2.3 °C | 13.9 °C | −7.5 °C | 52 | 83 | 16 | 0 |
| Mar | 6.1 °C | 18.8 °C | −4.1 °C | 61 | 137 | 10 | 0 |
| Apr | 9.9 °C | 23.2 °C | −0.9 °C | 72 | 170 | 3 | 0 |
| May | 13.9 °C | 27.1 °C | 3.4 °C | 106 | 187 | 0 | 3 |
| Jun | 17.5 °C | 30.7 °C | 7.2 °C | 98 | 210 | 0 | 8 |
| Jul | 19.4 °C | 32.3 °C | 9.9 °C | 106 | 231 | 0 | 13 |
| Aug | 19.0 °C | 31.2 °C | 9.2 °C | 106 | 213 | 0 | 12 |
| Sep | 14.8 °C | 26.3 °C | 5.5 °C | 78 | 158 | 0 | 3 |
| Oct | 10.5 °C | 21.7 °C | 1.2 °C | 76 | 99 | 1 | 0 |
| Nov | 5.4 °C | 16.1 °C | −3.0 °C | 72 | 59 | 8 | 0 |
| Dec | 2.3 °C | 12.6 °C | −6.9 °C | 77 | 49 | 17 | 0 |
| Year | 10.2 °C | 32.3 °C | −8.2 °C | 962 | 1654 | 74 | 39 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Rünenberg (8 km, 611 m), Gösgen (13 km, 380 m), Buchs / Aarau (13 km, 387 m), adjusted to the elevation of Wittnau (436 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Wittnau:
- Weather Gipf-Oberfrick
- Weather Wegenstetten
- Weather Anwil
- Weather Kienberg
- Weather Rothenfluh
- Weather Schupfart
- Weather Wölflinswil
- Weather Frick
- Weather Oberhof
- Weather Hellikon
- Weather Oltingen
- Weather Wenslingen
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Wittnau
What is the weather in Wittnau today?
At the top of the page you will find the current temperature, precipitation and wind in Wittnau, updated in real time.
What is the 15-day forecast for Wittnau?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Wittnau.
Will it rain tomorrow in Wittnau?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Wittnau.
What is the air quality in Wittnau?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Wittnau.
Are there weather alerts for Wittnau?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Wittnau located?
Wittnau sits at around 436 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 Wittnau?
The warmest month in Wittnau is July, averaging 19.4 °C (1991–2020 normal). The coldest is January at 1.5 °C.
How much does it rain in Wittnau per year?
Wittnau receives about 962 mm of precipitation a year. The wettest month is August (106 mm), the driest February (52 mm).
When is the best time to visit Wittnau?
For warmth and sunshine: July (19.4 °C on average, 231 h of sun). The coldest month is January (1.5 °C). Check the 15-day forecast above for your dates.