The best time to visit Switzerland
The best time to visit Switzerland for warm, sunny weather is June to September, when its destinations average a Sunshine Score of 70/100 with daytime highs around 23°C / 73°F. May and October are quieter shoulder-season alternatives with still-reliable sun.
Switzerland by month, averaged across 3 destinations from long-term climate normals — the best stretch is highlighted.
| Month | Sunshine Score | Avg day high | Rain | For a trip |
|---|---|---|---|---|
| January | 0 | 4° / 39°F | 90 mm | Poor |
| February | 0 | 5° / 41°F | 69 mm | Poor |
| March | 15 | 10° / 50°F | 87 mm | Poor |
| April | 46 | 15° / 59°F | 83 mm | Good |
| May | 60 | 19° / 66°F | 127 mm | Very good |
| June | 69 | 23° / 73°F | 119 mm | Very good |
| July | 69 | 25° / 77°F | 119 mm | Very good |
| August | 68 | 25° / 77°F | 124 mm | Very good |
| September | 73 | 20° / 68°F | 87 mm | Excellent |
| October | 51 | 16° / 61°F | 95 mm | Good |
| November | 10 | 10° / 50°F | 88 mm | Poor |
| December | 0 | 5° / 41°F | 98 mm | Poor |
When to go — and when to think twice
Best overall: June to September — Switzerland's warmest, most reliable stretch (Sunshine Score 70/100, ~23°C / 73°F days). Shoulder season: May and October — quieter, still sunny. Hottest: July, ~25°C / 77°F. Wettest: May (127 mm) — pack for showers.
Where to base yourself for sunshine: Bern (2,095 h/yr), Geneva (2,093 h/yr), Zurich (1,912 h/yr). See every Switzerland destination with a full climate card, or where it's sunny worldwide, month by month.