About Basel
Basel is a Swiss municipality located in the canton of Basel-City (BS), at 47.556° latitude and 7.589° longitude. The municipality is part of the Rhine valley, mild climate for Switzerland thanks to low elevation. Also known as Basel, Basel benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Basel
The climate in Basel 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 Basel and neighboring municipalities.
On this page you will find the detailed weather forecast for Basel: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Basel: 1991–2020 normals
In Basel (268 m), the mean annual temperature is 11.2 °C. The warmest month is July (20.4 °C on average) and the coldest January (2.5 °C). About 832 mm of precipitation falls per year, peaking in May (96 mm) with a minimum in February (45 mm). The sun shines for about 1717 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 33.7 °C and the absolute minimum −7.5 °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 | 2.5 °C | 14.0 °C | −7.5 °C | 47 | 67 | 16 | 0 |
| Feb | 3.5 °C | 15.5 °C | −6.6 °C | 45 | 89 | 13 | 0 |
| Mar | 7.3 °C | 20.5 °C | −3.2 °C | 49 | 139 | 8 | 0 |
| Apr | 11.0 °C | 25.0 °C | −0.2 °C | 63 | 170 | 2 | 1 |
| May | 14.9 °C | 28.5 °C | 4.0 °C | 96 | 186 | 0 | 5 |
| Jun | 18.5 °C | 32.2 °C | 8.1 °C | 86 | 211 | 0 | 13 |
| Jul | 20.4 °C | 33.7 °C | 10.4 °C | 88 | 235 | 0 | 18 |
| Aug | 19.9 °C | 32.8 °C | 9.7 °C | 87 | 219 | 0 | 16 |
| Sep | 15.7 °C | 27.5 °C | 5.8 °C | 69 | 165 | 0 | 5 |
| Oct | 11.3 °C | 23.2 °C | 1.6 °C | 74 | 112 | 1 | 0 |
| Nov | 6.3 °C | 17.2 °C | −2.8 °C | 64 | 68 | 6 | 0 |
| Dec | 3.2 °C | 14.5 °C | −6.3 °C | 64 | 56 | 15 | 0 |
| Year | 11.2 °C | 33.7 °C | −7.5 °C | 832 | 1717 | 60 | 59 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (2 km, 316 m), St. Chrischona (8 km, 493 m), Rünenberg (26 km, 611 m), adjusted to the elevation of Basel (268 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Basel:
- Weather Binningen
- Weather Münchenstein
- Weather Riehen
- Weather Bottmingen
- Weather Birsfelden
- Weather Allschwil
- Weather Oberwil (BL)
- Weather Muttenz
- Weather Reinach (BL)
- Weather Schönenbuch
- Weather Bettingen
- Weather Therwil
→ Nearby cities · Canton Basel-City
Frequently asked questions about weather in Basel
What is the weather in Basel today?
At the top of the page you will find the current temperature, precipitation and wind in Basel, updated in real time.
What is the 15-day forecast for Basel?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Basel.
Will it rain tomorrow in Basel?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Basel.
What is the air quality in Basel?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Basel.
Are there weather alerts for Basel?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Basel located?
Basel sits at around 268 m above sea level in the canton of Basel-City. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Basel?
The warmest month in Basel is July, averaging 20.4 °C (1991–2020 normal). The coldest is January at 2.5 °C.
How much does it rain in Basel per year?
Basel receives about 832 mm of precipitation a year. The wettest month is May (96 mm), the driest February (45 mm).
When is the best time to visit Basel?
For warmth and sunshine: July (20.4 °C on average, 235 h of sun). The coldest month is January (2.5 °C). Check the 15-day forecast above for your dates.