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Solothurn

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Solothurn Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Solothurn year round climate

  • Spring (March–May): Average 43–58°F, mild climate but with relatively high rainfall, especially in May. Common activities: Outdoor walks, visiting the Old Town of Solothurn. Recommended clothing: Light jacket, comfortable shoes, and rain gear are essential.
  • Summer (June–August): Average 66–68°F, warm and pleasant weather with abundant sunshine. Common activities: Walks along the Aare River, cycling, and enjoying outdoor leisure activities. Recommended clothing: Light and breathable clothing, a sun hat, and sunglasses.
  • Autumn (September–November): Average 59–42°F, temperatures gradually decrease, and rainfall remains relatively high. Common activities: Visiting museums, savoring local cuisine. Recommended clothing: Warm jacket, comfortable shoes, and rain gear are essential.
  • Winter (December–February): Average 35–39°F, cold temperatures with occasional snowfall. Common activities: Indoor activities such as visiting art museums or enjoying hot drinks. Recommended clothing: Warm clothing, a thick coat, scarf, gloves, and hat.

Solothurn climatological average

Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 800 mm / Summer humidity: 65%–75% / Rainiest month: May

Solothurn monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
35.6°F
44.3
February
39.7°F
28.3
March
43.9°F
63
April
47.8°F
65.3
May
58.3°F
91
June
66.9°F
81
July
68.7°F
61.7
August
68.5°F
78.3
September
59.5°F
82.7
October
54.1°F
67
November
42.8°F
80.7
December
36.5°F
57

Solothurn weather for the next seven days

12/17
Wednesday
Partly Cloudy
48.1°F/32.4°F
12/18
Thursday
Sunny
48.2°F/32.6°F
12/19
Friday
Patchy rain nearby
47.9°F/31.8°F
12/20
Saturday
Patchy rain nearby
45.7°F/35.8°F
12/21
Sunday
Partly Cloudy
44.7°F/34.3°F
12/22
Monday
Cloudy
45°F/33.1°F
12/23
Tuesday
Partly Cloudy
43.9°F/30.5°F

Solothurn Frequently Asked Questions and Useful Information for Travel

Is Solothurn worth visiting?

Solothurn inspires as the most beautiful baroque city in Switzerland. Discover the St. Ursus Cathedral with its clock tower and the magic number 11. Enjoy a walk through the old town, the Mediterranean atmosphere on the Aare and a view of the local mountain Weissenstein.

What language do they speak in Solothurn, Switzerland?

The official language of Solothurn is German, but the main spoken language is the local variant of the Alemannic Swiss German dialect.

What are the top attractions to see in Solothurn?

Key sights in Solothurn include the magnificent St. Ursus Cathedral, the historic Old Town with its charming squares and fountains, and the picturesque Aare river promenade. The local mountain, Weissenstein, offers stunning panoramic views of the Alps and the surrounding region.

What can I do in Solothurn for a relaxing break?

Enjoy a leisurely stroll through Solothurn's baroque old town, take a boat trip on the Aare river, or relax at a charming cafe. For nature lovers, a trip up to Weissenstein mountain provides a peaceful escape with beautiful scenery.

Is Solothurn a good place for solo travelers?

Yes, Solothurn is an excellent destination for solo travelers. Its compact size makes it easy to explore on foot, and the city offers a safe and welcoming atmosphere with plenty of opportunities to appreciate its historical architecture and natural beauty independently.