About Sisseln
Sisseln is a Swiss municipality located in the canton of Aargau (AG), at 47.552° latitude and 7.984° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Sisseln, Sisseln benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Sisseln
The climate in Sisseln 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 Sisseln and neighboring municipalities.
On this page you will find the detailed weather forecast for Sisseln: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Sisseln: 1991–2020 normals
In Sisseln (296 m), the mean annual temperature is 10.7 °C. The warmest month is July (19.9 °C on average) and the coldest January (2.0 °C). About 967 mm of precipitation falls per year, peaking in May (97 mm) with a minimum in February (63 mm). On average there are 75 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.1 °C and the absolute minimum −7.4 °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 | 2.0 °C | 12.9 °C | −7.4 °C | 74 | 18 | 0 |
| Feb | 2.8 °C | 14.6 °C | −6.7 °C | 63 | 18 | 0 |
| Mar | 6.6 °C | 19.6 °C | −3.4 °C | 68 | 13 | 0 |
| Apr | 10.5 °C | 24.1 °C | −0.3 °C | 69 | 3 | 1 |
| May | 14.5 °C | 28.1 °C | 4.0 °C | 97 | 0 | 6 |
| Jun | 18.1 °C | 31.7 °C | 7.8 °C | 87 | 0 | 13 |
| Jul | 19.9 °C | 33.1 °C | 10.3 °C | 97 | 0 | 17 |
| Aug | 19.5 °C | 32.2 °C | 9.7 °C | 92 | 0 | 16 |
| Sep | 15.3 °C | 27.2 °C | 5.9 °C | 71 | 0 | 4 |
| Oct | 10.9 °C | 22.5 °C | 1.9 °C | 79 | 1 | 0 |
| Nov | 5.9 °C | 16.7 °C | −2.4 °C | 80 | 6 | 0 |
| Dec | 2.8 °C | 13.2 °C | −6.2 °C | 91 | 15 | 0 |
| Year | 10.7 °C | 33.1 °C | −7.4 °C | 967 | 75 | 57 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Rünenberg (15 km, 611 m), Leibstadt (16 km, 341 m), Würenlingen / PSI (18 km, 334 m), adjusted to the elevation of Sisseln (296 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Sisseln:
- Weather Eiken
- Weather Münchwilen (AG)
- Weather Stein (AG)
- Weather Oeschgen
- Weather Obermumpf
- Weather Schupfart
- Weather Mumpf
- Weather Kaisten
- Weather Frick
- Weather Laufenburg
- Weather Zuzgen
- Weather Hellikon
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Sisseln
What is the weather in Sisseln today?
At the top of the page you will find the current temperature, precipitation and wind in Sisseln, updated in real time.
What is the 15-day forecast for Sisseln?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Sisseln.
Will it rain tomorrow in Sisseln?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Sisseln.
What is the air quality in Sisseln?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Sisseln.
Are there weather alerts for Sisseln?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Sisseln located?
Sisseln sits at around 296 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 Sisseln?
The warmest month in Sisseln is July, averaging 19.9 °C (1991–2020 normal). The coldest is January at 2.0 °C.
How much does it rain in Sisseln per year?
Sisseln receives about 967 mm of precipitation a year. The wettest month is May (97 mm), the driest February (63 mm).
When is the best time to visit Sisseln?
For warmth and sunshine: July (19.9 °C on average, — h of sun). The coldest month is January (2.0 °C). Check the 15-day forecast above for your dates.