Lausanne weather by month
The best time to visit Lausanne is June, August and September — 91/100 in June, 24°C and 13 rainy days. The best season is summer, June to August (87/100 on average).
The worst month is January at 46/100 — cold, rainy, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Switzerland →
Best season: June to August (87/100 on average) · worst January (46/100)
- Days
- 24°C
- Nights
- 16°C
- Wet days
- 13
- Sun
- 11.7 h
- Humidity
- 74%
- Daylight
- 16 h

Lausanne, month by month
Comfort score out of 100 for the kind of trip Lausanne is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Lausanne through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- April
- Belle Époque steamer season10 Apr – 20 Oct (usually)Opening
- June
- Festival de la Cité26 Jun – 10 Jul (usually)Festival
- July
- Athletissima1 Jul – 5 Sep (usually)Festival
- Swiss National Day1 AugHoliday
- September
- Lavaux vendanges10 Sep – 20 Oct (usually)Season
- November
- Bô Noël20 Nov – 31 Dec (usually)Festival
Crowds in Lausanne in June
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyFestival de la Cité, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Good to know before you go to Lausanne
Real experiences from travellers' own write-ups, quoted with a link to the original.
Visas & entry
A practical guide to visiting Lausanne's Olympic Museum notes there's no official parking lot at the museum itself, so visitors driving in should plan for street parking along the Quai d'Ouchy at 2.5 CHF an hour or the nearby Port d'Ouchy lot. Their recommendation for the best experience: visit May through September, when the lake is warm enough for the café's lakefront terrace to feel like the highlight it's meant to be, with the Alps visible across the water while you eat.
Traveller notes on Lausanne
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters put early June around 15-25C and call it beautiful without being too hot, though they're quick to flag that Swiss weather is genuinely unpredictable and varies a lot by altitude - expect a real mix of warm sun, rain, and the occasional thunderstorm within the same trip. Layered clothing plus sturdy waterproof shoes are the standard packing call. June draws noticeably fewer crowds than peak summer, though the city's jazz festival dates are worth checking in advance if avoiding a busier stretch matters to the itinerary.
Forum posters describe Lausanne as sharing Geneva's general winter pattern but with noticeably less fog, since the wider Swiss plateau and Geneva itself can sit under low cloud for days at a time in December. Posters note it seldom drops below freezing in low-lying lakeside spots like Lausanne, and some winters bring little or no snow at all right in the city center, even though the region's full climate record shows meaningful average December snowfall and a fairly high number of rainy days overall - Lausanne's lakeside elevation runs milder and snow-uncertain compared to nearby higher ground. Posters are enthusiastic about December as Christmas market season, with especially large ones in Basel, Bern, Zurich and nearby Montreux worth combining with a Lausanne base. Posters generally rate December as cold, often grey and snow-uncertain for Lausanne itself, workable and increasingly festive as the Christmas market season gets underway.
Add your own note from Lausanne's card on the map.