About Lengnau (AG)
Lengnau (AG) is a Swiss municipality located in the canton of Aargau (AG), at 47.527° latitude and 8.322° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Lengnau (AG), Lengnau (AG) benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Lengnau (AG)
The climate in Lengnau (AG) 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 Lengnau (AG) and neighboring municipalities.
On this page you will find the detailed weather forecast for Lengnau (AG): current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Lengnau (AG): 1991–2020 normals
In Lengnau (AG) (407 m), the mean annual temperature is 10.0 °C. The warmest month is July (19.1 °C on average) and the coldest January (1.3 °C). About 1019 mm of precipitation falls per year, peaking in December (102 mm) with a minimum in September (69 mm). On average there are 75 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.1 °C and the absolute minimum −8.0 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Frost days | Summer days |
|---|---|---|---|---|---|---|
| Jan | 1.3 °C | 11.6 °C | −8.0 °C | 87 | 18 | 0 |
| Feb | 2.0 °C | 13.6 °C | −7.2 °C | 75 | 18 | 0 |
| Mar | 5.7 °C | 18.7 °C | −4.1 °C | 78 | 13 | 0 |
| Apr | 9.6 °C | 23.4 °C | −1.0 °C | 71 | 3 | 1 |
| May | 13.7 °C | 27.3 °C | 3.3 °C | 95 | 0 | 6 |
| Jun | 17.3 °C | 30.8 °C | 7.1 °C | 88 | 0 | 13 |
| Jul | 19.1 °C | 32.1 °C | 9.7 °C | 98 | 0 | 17 |
| Aug | 18.7 °C | 31.2 °C | 9.1 °C | 87 | 0 | 16 |
| Sep | 14.5 °C | 26.3 °C | 5.3 °C | 69 | 0 | 4 |
| Oct | 10.2 °C | 21.5 °C | 1.3 °C | 81 | 1 | 0 |
| Nov | 5.2 °C | 16.0 °C | −3.0 °C | 87 | 6 | 0 |
| Dec | 2.1 °C | 12.0 °C | −6.8 °C | 102 | 15 | 0 |
| Year | 10.0 °C | 32.1 °C | −8.0 °C | 1019 | 75 | 57 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Würenlingen / PSI (7 km, 334 m), Beznau (7 km, 326 m), Lägern (8 km, 845 m), adjusted to the elevation of Lengnau (AG) (407 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Lengnau (AG):
- Weather Endingen
- Weather Freienwil
- Weather Schneisingen
- Weather Ehrendingen
- Weather Obersiggenthal
- Weather Mellikon
- Weather Tegerfelden
- Weather Niederweningen
- Weather Ennetbaden
- Weather Siglistorf
- Weather Würenlingen
- Weather Oberweningen
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Lengnau (AG)
What is the weather in Lengnau (AG) today?
At the top of the page you will find the current temperature, precipitation and wind in Lengnau (AG), updated in real time.
What is the 15-day forecast for Lengnau (AG)?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Lengnau (AG).
Will it rain tomorrow in Lengnau (AG)?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Lengnau (AG).
What is the air quality in Lengnau (AG)?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Lengnau (AG).
Are there weather alerts for Lengnau (AG)?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Lengnau (AG) located?
Lengnau (AG) sits at around 407 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 Lengnau (AG)?
The warmest month in Lengnau (AG) is July, averaging 19.1 °C (1991–2020 normal). The coldest is January at 1.3 °C.
How much does it rain in Lengnau (AG) per year?
Lengnau (AG) receives about 1019 mm of precipitation a year. The wettest month is December (102 mm), the driest September (69 mm).
When is the best time to visit Lengnau (AG)?
For warmth and sunshine: July (19.1 °C on average, — h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.