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Solothurn

Solothurn 1
Travel guide
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Travel guide

Top 10 things to do in Solothurn

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Best time to visit Solothurn

Data source：Meteostat
Last updated：2025-09

Weather in Solothurn throughout the year

  • Spring (March–May): Average 6.6–14.6°C, 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 19.4–20.4°C, 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 15.3–6.0°C, 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 2.0–4.3°C, 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.

Weather in Solothurn

Annual average temperature: approx. 11.0°C / Annual rainfall: approx. 800 mm / Summer humidity: 65%–75% / Rainiest month: May

Solothurn weather by month

Month
Temperature (°C)
Rainfall (mm)
January
2°C
44.3
February
4.3°C
28.3
March
6.6°C
63
April
8.8°C
65.3
May
14.6°C
91
June
19.4°C
81
July
20.4°C
61.7
August
20.3°C
78.3
September
15.3°C
82.7
October
12.3°C
67
November
6°C
80.7
December
2.5°C
57

7-day weather forecast for Solothurn

10/31
Saturday
Sunny
11.4°C/0.6°C
11/1
Sunday
Sunny
9°C/0.2°C
11/2
Monday
Overcast
6.3°C/-1.5°C
11/3
Tuesday
Overcast
6.4°C/3.5°C
11/4
Wednesday
Overcast
5.4°C/2.4°C
11/5
Thursday
Cloudy
6.4°C/-1.1°C
11/6
Friday
Partly Cloudy
5.1°C/-1.1°C

Solothurn travel FAQs and useful info

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.