About Wahlen
Wahlen is a Swiss municipality located in the canton of Basel-Country (BL), at 47.399° latitude and 7.512° longitude. The municipality is part of the Rhine valley, mild climate for Switzerland thanks to low elevation. Also known as Wahlen, Wahlen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Wahlen
The climate in Wahlen is characteristic of the Rhine valley, mild climate for Switzerland thanks to low elevation. 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 Wahlen and neighboring municipalities.
On this page you will find the detailed weather forecast for Wahlen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Wahlen: 1991–2020 normals
In Wahlen (417 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.4 °C). About 894 mm of precipitation falls per year, peaking in May (98 mm) with a minimum in February (50 mm). The sun shines for about 1644 hours a year, mostly in July (237 h). On average there are 75 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.7 °C and the absolute minimum −9.9 °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 | 13.3 °C | −9.9 °C | 52 | 63 | 18 | 0 |
| Feb | 2.4 °C | 15.1 °C | −8.7 °C | 50 | 86 | 16 | 0 |
| Mar | 6.1 °C | 20.1 °C | −5.3 °C | 53 | 135 | 11 | 0 |
| Apr | 9.8 °C | 24.3 °C | −1.8 °C | 67 | 163 | 4 | 1 |
| May | 13.8 °C | 27.8 °C | 2.5 °C | 98 | 175 | 0 | 5 |
| Jun | 17.3 °C | 31.3 °C | 6.5 °C | 93 | 199 | 0 | 12 |
| Jul | 19.2 °C | 32.7 °C | 8.7 °C | 96 | 237 | 0 | 18 |
| Aug | 18.7 °C | 32.0 °C | 8.2 °C | 96 | 215 | 0 | 16 |
| Sep | 14.6 °C | 26.8 °C | 4.3 °C | 74 | 153 | 0 | 5 |
| Oct | 10.4 °C | 23.0 °C | 0.3 °C | 76 | 105 | 1 | 0 |
| Nov | 5.3 °C | 17.2 °C | −4.3 °C | 70 | 61 | 8 | 0 |
| Dec | 2.2 °C | 14.0 °C | −8.7 °C | 70 | 52 | 16 | 0 |
| Year | 10.1 °C | 32.7 °C | −9.9 °C | 894 | 1644 | 75 | 58 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Delémont (13 km, 439 m), Basel / Binningen (17 km, 316 m), St. Chrischona (23 km, 493 m), adjusted to the elevation of Wahlen (417 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Wahlen:
- Weather Grindel
- Weather Laufen
- Weather Büsserach
- Weather Breitenbach
- Weather Bärschwil
- Weather Erschwil
- Weather Zwingen
- Weather Brislach
- Weather Fehren
- Weather Dittingen
- Weather Röschenz
- Weather Blauen
→ Nearby cities · Canton Basel-Country
Frequently asked questions about weather in Wahlen
What is the weather in Wahlen today?
At the top of the page you will find the current temperature, precipitation and wind in Wahlen, updated in real time.
What is the 15-day forecast for Wahlen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Wahlen.
Will it rain tomorrow in Wahlen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Wahlen.
What is the air quality in Wahlen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Wahlen.
Are there weather alerts for Wahlen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Wahlen located?
Wahlen sits at around 417 m above sea level in the canton of Basel-Country. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Wahlen?
The warmest month in Wahlen is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.4 °C.
How much does it rain in Wahlen per year?
Wahlen receives about 894 mm of precipitation a year. The wettest month is May (98 mm), the driest February (50 mm).
When is the best time to visit Wahlen?
For warmth and sunshine: July (19.2 °C on average, 237 h of sun). The coldest month is January (1.4 °C). Check the 15-day forecast above for your dates.