About Jonen
Jonen is a Swiss municipality located in the canton of Aargau (AG), at 47.300° latitude and 8.401° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Jonen, Jonen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Jonen
The climate in Jonen 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 Jonen and neighboring municipalities.
On this page you will find the detailed weather forecast for Jonen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Jonen: 1991–2020 normals
In Jonen (433 m), the mean annual temperature is 10.3 °C. The warmest month is July (19.6 °C on average) and the coldest January (1.4 °C). About 1033 mm of precipitation falls per year, peaking in July (122 mm) with a minimum in February (54 mm). The sun shines for about 1666 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 32.4 °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) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 1.4 °C | 11.9 °C | −8.0 °C | 56 | 55 | 20 | 0 |
| Feb | 2.3 °C | 14.0 °C | −7.7 °C | 54 | 84 | 18 | 0 |
| Mar | 6.2 °C | 19.3 °C | −4.2 °C | 60 | 140 | 11 | 0 |
| Apr | 10.2 °C | 23.8 °C | −0.9 °C | 76 | 176 | 2 | 1 |
| May | 14.2 °C | 27.9 °C | 3.5 °C | 120 | 192 | 0 | 4 |
| Jun | 17.9 °C | 31.5 °C | 7.5 °C | 120 | 211 | 0 | 11 |
| Jul | 19.6 °C | 32.4 °C | 9.9 °C | 122 | 232 | 0 | 16 |
| Aug | 19.2 °C | 31.8 °C | 9.3 °C | 120 | 216 | 0 | 14 |
| Sep | 15.0 °C | 27.1 °C | 5.4 °C | 84 | 161 | 0 | 4 |
| Oct | 10.5 °C | 22.2 °C | 1.1 °C | 79 | 101 | 1 | 0 |
| Nov | 5.3 °C | 16.3 °C | −3.5 °C | 68 | 55 | 8 | 0 |
| Dec | 2.1 °C | 12.5 °C | −7.8 °C | 75 | 43 | 18 | 0 |
| Year | 10.3 °C | 32.4 °C | −8.0 °C | 1033 | 1666 | 77 | 50 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (13 km, 443 m), Zürich / Fluntern (15 km, 604 m), Zürich / Affoltern (17 km, 444 m), adjusted to the elevation of Jonen (433 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Jonen:
- Weather Oberlunkhofen
- Weather Ottenbach
- Weather Arni (AG)
- Weather Aristau
- Weather Unterlunkhofen
- Weather Affoltern am Albis
- Weather Rottenschwil
- Weather Hedingen
- Weather Islisberg
- Weather Merenschwand
- Weather Obfelden
- Weather Besenbüren
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Jonen
What is the weather in Jonen today?
At the top of the page you will find the current temperature, precipitation and wind in Jonen, updated in real time.
What is the 15-day forecast for Jonen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Jonen.
Will it rain tomorrow in Jonen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Jonen.
What is the air quality in Jonen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Jonen.
Are there weather alerts for Jonen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Jonen located?
Jonen sits at around 433 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 Jonen?
The warmest month in Jonen is July, averaging 19.6 °C (1991–2020 normal). The coldest is January at 1.4 °C.
How much does it rain in Jonen per year?
Jonen receives about 1033 mm of precipitation a year. The wettest month is July (122 mm), the driest February (54 mm).
When is the best time to visit Jonen?
For warmth and sunshine: July (19.6 °C on average, 232 h of sun). The coldest month is January (1.4 °C). Check the 15-day forecast above for your dates.