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Climate in Northwestern Switzerland

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 4 measuring stations in Northwestern.
Weather stations at an altitude above 560m have not been included.
All data correspond to the average monthly values of the last 20 years.


Back to overview: Switzerland

The climate is very changeable and offers varied seasons with deep winters and warm summers. It rarely gets really warm here and you can safely leave your swimwear at home. Due to the warmer temperatures the best time for traveling is from June to September. Nearly unattractive for tourists are the cold months from November to March.

Overview: Climate in Switzerland
Duration of daylight and sunshine in Switzerland


hours of sunshine per daySunshine hours per day in Northwestern
rainy days per monthRainy days per month in Northwestern
Precipitation in mm/dayPrecipitation in Northwestern
Relative humidity in %Relative humidity in Northwestern
Absolute humidity in g/m³ (approx.)Absolute humidity in Northwestern
Climate charts for other greater regions in Switzerland

Map of Northwestern

Most important cities in the greater region »Northwestern«

The greater region has a west-east extension of about 70 km and over 50 km from north to south.

CityPopulationGeo-Position
Basel172,25847°33'30"N7°34'24"E
Riehen20,00047°34'44"N7°38'49"E
Wettingen18,19147°28'14"N8°18'59"E
Allschwil18,18947°33'3"N7°32'10"E
Muttenz16,92747°31'22"N7°38'42"E
Baden16,11847°28'24"N8°18'21"E
Aarau15,50147°23'33"N8°2'39"E
Pratteln14,87747°31'15"N7°41'37"E
Binningen14,13047°32'25"N7°34'10"E
Wohlen13,87547°21'8"N8°16'44"E
Liestal12,83247°29'4"N7°44'4"E
Münchenstein11,64447°31'7"N7°36'35"E
Zofingen11,45147°17'16"N7°56'45"E
Rheinfelden10,73347°33'16"N7°47'39"E
Spreitenbach10,56247°25'13"N8°21'47"E
Oftringen10,39047°18'50"N7°55'31"E
Birsfelden10,23247°33'10"N7°37'24"E
Oberwil10,18747°30'51"N7°33'28"E
Aesch10,13847°28'16"N7°35'50"E
Therwil9,59547°30'4"N7°33'10"E
Möhlin9,38247°33'33"N7°50'36"E
Suhr9,37447°22'18"N8°4'47"E
Arlesheim9,30147°29'39"N7°37'11"E
Brugg9,19647°28'51"N8°12'31"E
Obersiggenthal7,99047°29'15"N8°17'47"E
Neuenhof7,95747°27'9"N8°19'33"E
Reinach7,84547°15'34"N8°11'18"E
Oberentfelden7,55347°21'23"N8°2'45"E
Rothrist7,42347°18'18"N7°53'31"E
Lenzburg7,39247°23'19"N8°10'30"E


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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