About Oberwil (BL)
Oberwil (BL) is a Swiss municipality located in the canton of Basel-Country (BL), at 47.519° latitude and 7.545° longitude. The municipality is part of the Rhine valley, mild climate for Switzerland thanks to low elevation. Also known as Oberwil (BL), Oberwil (BL) benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Oberwil (BL)
The climate in Oberwil (BL) 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 Oberwil (BL) and neighboring municipalities.
On this page you will find the detailed weather forecast for Oberwil (BL): current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Oberwil (BL): 1991–2020 normals
In Oberwil (BL) (359 m), the mean annual temperature is 10.7 °C. The warmest month is July (19.8 °C on average) and the coldest January (2.0 °C). About 852 mm of precipitation falls per year, peaking in May (99 mm) with a minimum in February (46 mm). The sun shines for about 1715 hours a year, mostly in July (235 h). On average there are 60 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.1 °C and the absolute minimum −8.1 °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 | 2.0 °C | 13.4 °C | −8.1 °C | 48 | 67 | 16 | 0 |
| Feb | 3.0 °C | 15.0 °C | −7.2 °C | 46 | 89 | 13 | 0 |
| Mar | 6.8 °C | 20.0 °C | −3.8 °C | 50 | 139 | 8 | 0 |
| Apr | 10.4 °C | 24.5 °C | −0.7 °C | 64 | 169 | 2 | 1 |
| May | 14.4 °C | 28.0 °C | 3.5 °C | 99 | 185 | 0 | 5 |
| Jun | 17.9 °C | 31.6 °C | 7.5 °C | 88 | 211 | 0 | 13 |
| Jul | 19.8 °C | 33.1 °C | 9.8 °C | 90 | 235 | 0 | 18 |
| Aug | 19.4 °C | 32.2 °C | 9.2 °C | 90 | 219 | 0 | 16 |
| Sep | 15.1 °C | 26.9 °C | 5.3 °C | 71 | 165 | 0 | 5 |
| Oct | 10.8 °C | 22.7 °C | 1.1 °C | 75 | 112 | 1 | 0 |
| Nov | 5.8 °C | 16.7 °C | −3.3 °C | 66 | 68 | 6 | 0 |
| Dec | 2.7 °C | 14.0 °C | −6.8 °C | 66 | 56 | 15 | 0 |
| Year | 10.7 °C | 33.1 °C | −8.1 °C | 852 | 1715 | 60 | 59 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (4 km, 316 m), St. Chrischona (12 km, 493 m), Delémont (24 km, 439 m), adjusted to the elevation of Oberwil (BL) (359 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Oberwil (BL):
- Weather Biel-Benken
- Weather Allschwil
- Weather Therwil
- Weather Bottmingen
- Weather Bättwil
- Weather Schönenbuch
- Weather Witterswil
- Weather Binningen
- Weather Ettingen
- Weather Reinach (BL)
- Weather Hofstetten-Flüh
- Weather Basel
→ Nearby cities · Canton Basel-Country
Frequently asked questions about weather in Oberwil (BL)
What is the weather in Oberwil (BL) today?
At the top of the page you will find the current temperature, precipitation and wind in Oberwil (BL), updated in real time.
What is the 15-day forecast for Oberwil (BL)?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Oberwil (BL).
Will it rain tomorrow in Oberwil (BL)?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Oberwil (BL).
What is the air quality in Oberwil (BL)?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Oberwil (BL).
Are there weather alerts for Oberwil (BL)?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Oberwil (BL) located?
Oberwil (BL) sits at around 359 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 Oberwil (BL)?
The warmest month in Oberwil (BL) is July, averaging 19.8 °C (1991–2020 normal). The coldest is January at 2.0 °C.
How much does it rain in Oberwil (BL) per year?
Oberwil (BL) receives about 852 mm of precipitation a year. The wettest month is May (99 mm), the driest February (46 mm).
When is the best time to visit Oberwil (BL)?
For warmth and sunshine: July (19.8 °C on average, 235 h of sun). The coldest month is January (2.0 °C). Check the 15-day forecast above for your dates.