About Islisberg
Islisberg is a Swiss municipality located in the canton of Aargau (AG), at 47.325° latitude and 8.441° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Islisberg, Islisberg benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Islisberg
The climate in Islisberg 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 Islisberg and neighboring municipalities.
On this page you will find the detailed weather forecast for Islisberg: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Islisberg: 1991–2020 normals
In Islisberg (666 m), the mean annual temperature is 9.1 °C. The warmest month is July (18.3 °C on average) and the coldest January (0.2 °C). About 1098 mm of precipitation falls per year, peaking in July (128 mm) with a minimum in February (58 mm). The sun shines for about 1667 hours a year, mostly in July (232 h). On average there are 77 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.2 °C and the absolute minimum −9.3 °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 | 10.7 °C | −9.3 °C | 62 | 55 | 20 | 0 |
| Feb | 1.0 °C | 12.8 °C | −8.9 °C | 58 | 84 | 18 | 0 |
| Mar | 5.0 °C | 18.1 °C | −5.4 °C | 67 | 140 | 11 | 0 |
| Apr | 8.9 °C | 22.6 °C | −2.1 °C | 80 | 176 | 3 | 1 |
| May | 13.0 °C | 26.7 °C | 2.3 °C | 127 | 192 | 0 | 4 |
| Jun | 16.6 °C | 30.2 °C | 6.3 °C | 126 | 210 | 0 | 11 |
| Jul | 18.3 °C | 31.2 °C | 8.8 °C | 128 | 232 | 0 | 15 |
| Aug | 17.9 °C | 30.5 °C | 8.1 °C | 123 | 216 | 0 | 14 |
| Sep | 13.7 °C | 25.8 °C | 4.2 °C | 88 | 161 | 0 | 4 |
| Oct | 9.3 °C | 20.9 °C | −0.1 °C | 84 | 102 | 1 | 0 |
| Nov | 4.1 °C | 15.1 °C | −4.6 °C | 74 | 56 | 8 | 0 |
| Dec | 0.9 °C | 11.2 °C | −8.7 °C | 82 | 43 | 18 | 0 |
| Year | 9.1 °C | 31.2 °C | −9.3 °C | 1098 | 1667 | 77 | 49 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Zürich / Fluntern (11 km, 604 m), Zürich / Affoltern (13 km, 444 m), Cham (15 km, 443 m), adjusted to the elevation of Islisberg (666 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Islisberg:
- Weather Aesch (ZH)
- Weather Arni (AG)
- Weather Bonstetten
- Weather Hedingen
- Weather Wettswil am Albis
- Weather Oberlunkhofen
- Weather Unterlunkhofen
- Weather Birmensdorf (ZH)
- Weather Affoltern am Albis
- Weather Oberwil-Lieli
- Weather Jonen
- Weather Uitikon
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Islisberg
What is the weather in Islisberg today?
At the top of the page you will find the current temperature, precipitation and wind in Islisberg, updated in real time.
What is the 15-day forecast for Islisberg?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Islisberg.
Will it rain tomorrow in Islisberg?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Islisberg.
What is the air quality in Islisberg?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Islisberg.
Are there weather alerts for Islisberg?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Islisberg located?
Islisberg sits at around 666 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 Islisberg?
The warmest month in Islisberg is July, averaging 18.3 °C (1991–2020 normal). The coldest is January at 0.2 °C.
How much does it rain in Islisberg per year?
Islisberg receives about 1098 mm of precipitation a year. The wettest month is July (128 mm), the driest February (58 mm).
When is the best time to visit Islisberg?
For warmth and sunshine: July (18.3 °C on average, 232 h of sun). The coldest month is January (0.2 °C). Check the 15-day forecast above for your dates.