About Koblenz
Koblenz is a Swiss municipality located in the canton of Aargau (AG), at 47.605° latitude and 8.245° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Koblenz, Koblenz benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Koblenz
The climate in Koblenz 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 Koblenz and neighboring municipalities.
On this page you will find the detailed weather forecast for Koblenz: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Koblenz: 1991–2020 normals
In Koblenz (349 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.5 °C on average) and the coldest January (1.3 °C). About 1000 mm of precipitation falls per year, peaking in December (105 mm) with a minimum in September (68 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 −7.9 °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 | 12.1 °C | −7.9 °C | 88 | 18 | 0 |
| Feb | 2.1 °C | 14.1 °C | −7.3 °C | 74 | 18 | 0 |
| Mar | 6.0 °C | 19.4 °C | −4.0 °C | 76 | 13 | 0 |
| Apr | 9.9 °C | 24.0 °C | −1.0 °C | 68 | 3 | 1 |
| May | 14.0 °C | 28.0 °C | 3.2 °C | 91 | 0 | 6 |
| Jun | 17.7 °C | 31.6 °C | 7.0 °C | 83 | 0 | 13 |
| Jul | 19.5 °C | 33.1 °C | 9.5 °C | 93 | 0 | 17 |
| Aug | 18.9 °C | 32.2 °C | 8.8 °C | 86 | 0 | 16 |
| Sep | 14.7 °C | 27.1 °C | 5.0 °C | 68 | 0 | 4 |
| Oct | 10.2 °C | 22.0 °C | 1.1 °C | 81 | 1 | 0 |
| Nov | 5.2 °C | 15.9 °C | −3.2 °C | 87 | 6 | 0 |
| Dec | 2.1 °C | 12.3 °C | −6.8 °C | 105 | 15 | 0 |
| Year | 10.1 °C | 33.1 °C | −7.9 °C | 1000 | 75 | 57 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Leibstadt (4 km, 341 m), Beznau (5 km, 326 m), Würenlingen / PSI (8 km, 334 m), adjusted to the elevation of Koblenz (349 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Koblenz:
- Weather Klingnau
- Weather Zurzach
- Weather Leuggern
- Weather Full-Reuenthal
- Weather Böttstein
- Weather Leibstadt
- Weather Döttingen
- Weather Tegerfelden
- Weather Mandach
- Weather Schwaderloch
- Weather Würenlingen
- Weather Mellikon
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Koblenz
What is the weather in Koblenz today?
At the top of the page you will find the current temperature, precipitation and wind in Koblenz, updated in real time.
What is the 15-day forecast for Koblenz?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Koblenz.
Will it rain tomorrow in Koblenz?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Koblenz.
What is the air quality in Koblenz?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Koblenz.
Are there weather alerts for Koblenz?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Koblenz located?
Koblenz sits at around 349 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 Koblenz?
The warmest month in Koblenz is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 1.3 °C.
How much does it rain in Koblenz per year?
Koblenz receives about 1000 mm of precipitation a year. The wettest month is December (105 mm), the driest September (68 mm).
When is the best time to visit Koblenz?
For warmth and sunshine: July (19.5 °C on average, — h of sun). The coldest month is January (1.3 °C). Check the 15-day forecast above for your dates.