Canton of Solothurn

Region · 🇨🇭 Switzerland

Population 273,194

Area 788 km²

Time zone Europe/Zurich

Official website so.ch

Canton of Solothurn

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Canton of Solothurn — Map

Canton of Solothurn — Map

Climate & when to visit

Select a month

Typical weather in January

Poor

3° (feels like -1°) · extremes -10°–10°
-3° at night
13 rainy days
3 sunny days
2 hours of sunshine per day
Dry air
Light breeze
UV index 1 · low

Typical weather in February

Poor

5° (feels like 1°) · extremes -11°–12°
-2° at night
11 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Light breeze
UV index 1 · low

Typical weather in March

Poor

10° (feels like 6°) · extremes -5°–17°
0° at night
13 rainy days
10 sunny days
5 hours of sunshine per day
Dry air
Light breeze
UV index 2 · low

Typical weather in April

Poor

14° (feels like 11°) · extremes -3°–21°
3° at night
13 rainy days
10 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 4 · moderate

Typical weather in May

Good

18° (feels like 16°) · extremes 2°–24°
8° at night
17 rainy days
10 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in June

Good

22° (feels like 21°) · extremes 7°–29°
12° at night
16 rainy days
11 sunny days
9 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in July

Good

23° · extremes 8°–29°
13° at night
17 rainy days
12 sunny days
9 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 6 · high

Typical weather in August

Good

23° · extremes 8°–30°
13° at night
15 rainy days
12 sunny days
8 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 5 · moderate

Typical weather in September

Good

19° (feels like 18°) · extremes 4°–26°
9° at night
13 rainy days
11 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 4 · moderate

Typical weather in October

Fair

15° (feels like 12°) · extremes -1°–22°
6° at night
13 rainy days
7 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 2 · low

Typical weather in November

Poor

8° (feels like 4°) · extremes -5°–16°
1° at night
13 rainy days
2 sunny days
3 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in December

Poor

4° (feels like 0°) · extremes -9°–10°
-2° at night
14 rainy days
1 sunny day
2 hours of sunshine per day
Dry air
Light breeze
UV index 1 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency: Swiss Franc CHF CHF · Card payments · Widely accepted
Emergency numbers: 112
Electricity: Type C / Type J
230 V · 50 Hz

Languages: German, French, Italian, Romansh
Tap water: Safe to drink
Driving side: Right
Calling code: +41

Tours & Activities

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