When to go · Thun
Thun, month by month
The best months for Thun: Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Dec. Months to avoid: Nov.
Month by month
- JanuaryGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.3 °C / -3 °C, 10 rain days37 °F / 27 °F, 10 rain daysCrowds: Medium
- FebruaryGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.5 °C / -3 °C, 9 rain days41 °F / 27 °F, 9 rain daysCrowds: High
- MarchGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.10 °C / 0 °C, 10 rain days50 °F / 32 °F, 10 rain daysCrowds: Medium · 1 festival or holiday
- AprilMixedOutside the best window (May–Sep for the lake and swimming; Dec–Mar for snow on the mountains). Across Switzerland: Ski season ends after Easter; Zurich's Sechseläuten; Ticino in blossom.14 °C / 3 °C, 11 rain days57 °F / 37 °F, 11 rain daysCrowds: Low
- MayGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.19 °C / 7 °C, 12 rain days66 °F / 45 °F, 12 rain daysCrowds: Low
- JuneGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.22 °C / 11 °C, 12 rain days72 °F / 52 °F, 12 rain daysCrowds: Medium
- JulyGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.25 °C / 13 °C, 11 rain days77 °F / 55 °F, 11 rain daysCrowds: High
- AugustGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.24 °C / 13 °C, 11 rain days75 °F / 55 °F, 11 rain daysCrowds: High
- SeptemberGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.20 °C / 10 °C, 9 rain days68 °F / 50 °F, 9 rain daysCrowds: Medium
- OctoberMixedOutside the best window (May–Sep for the lake and swimming; Dec–Mar for snow on the mountains). Across Switzerland: Autumn larches in the Engadin and Valais; lifts close from mid-month.14 °C / 6 °C, 10 rain days57 °F / 43 °F, 10 rain daysCrowds: Low
- NovemberAvoidListed as a month to avoid: Nov (grey, many lake boats and mountain lifts reduced).8 °C / 1 °C, 10 rain days46 °F / 34 °F, 10 rain daysCrowds: Low
- DecemberGreatInside Thun's best window: May–Sep for the lake and swimming; Dec–Mar for snow on the mountains.4 °C / -2 °C, 10 rain days39 °F / 28 °F, 10 rain daysCrowds: High · 1 festival or holiday