Updated June 2026 · by John, owner
The best time to visit Lac-Simon depends on your goal: July–August for swimming (water 23–25°C), late September to mid-October for fall colour, January–March for skiing, and November–February for the lowest rates.
Lac-Simon is a true four-season destination — and each time of year offers something different. Here's a month-by-month guide to help you choose the best moment based on your priorities: swimming, pricing, fall colours, quiet stays, or winter activities.
When is the best time to visit Lac-Simon?
The best time to visit Lac-Simon depends on your priorities: Swimming: July and August (water 23–25°C) Fall colours: September 25 to October 15 Ski & winter activities: January to March Best value & quietest stays: November to February, and April
Winter (January to March)
Temperature: -10 to -25°C Lake: fully frozen (mid-December to March) Activities: snowmobiling (Petite-Nation network), skiing Nearby ski: Mont-Tremblant (1 hour), Les Montagnes Noires (25 minutes) Booking window: 2–6 months ahead (peak: Christmas, school break) Best for: winter sports, snowmobiling, cozy stays
Spring (April and May)
Ice-out: late April Lake temperature: 5–12°C Key activity: bird migration at Parc national de Plaisance Fishing: trout season opens late April (zone 10) Crowds: very low Best for: value (April), nature, quiet stays
Early Summer (June)
Water temperature: 18–20°C (end of month) First swimming: around June 24 (Saint-Jean) Daylight: until ~9 PM Booking: 6–8 weeks ahead for weekends Best for: early summer stays, long days
Peak Summer (July and August)
Water temperature: 23–25°C Weather: warm, mostly sunny Beach: 150 ft sandy shoreline Activities: kayaking, pedal boat, swimming Nearby: Fromagerie Montebello, Parc national de Plaisance Booking: 2–4 months ahead Best for: swimming, family vacations, full summer experience
Fall (September to October)
Early September: warm, swimmable lake (~20°C) Peak colours: Sept 25 – Oct 15 Scenic drive: Route 315 → Route 323 Crowds: moderate to low Best for: fall foliage, photography, quiet stays
Late Fall / Early Winter (November to December)
November: quietest month First snow: mid-November Lake freeze: ~December 20 Holiday demand: very high Best for: remote work, peaceful retreats
Frequently asked questions
When is the best value at this Lac-Simon chalet?
The most attractive rates are in the quiet off-peak weeks — November through February (outside the Christmas and spring-break windows), roughly $475–550/night midweek. Late March and April are equally low if you don't mind the ice-out season. Most low-season stays also carry a 15% weekly discount, and booking direct rather than through AirBnB or VRBO saves a further ~20–25%.
What is the quietest, least crowded time to visit Lac-Simon?
November is the calmest month, followed by April and May. Even in summer, weekdays are much quieter than weekends. To have the lake nearly to yourself with mild weather, early June and late September are the sweet spots.
How far in advance should I book?
For July–August weekends and the Christmas / spring-break weeks, 2–6 months ahead is wise. June weekends typically book 6–8 weeks out. Shoulder-season and midweek dates are often available on shorter notice — check the live availability calendar for exact open dates.
Is the chalet open year-round, and how is the road in winter?
Yes — Chalet Beach House is a heated four-season home with a wood-burning fireplace, open all year. In winter the access roads are hilly; Quebec law requires winter tires from December 1 to March 15, and AWD or 4×4 is recommended after snowfall.
When does Lac-Simon freeze, and when can you snowmobile or ice fish?
The lake typically freezes around December 20 and stays solid through March. Snowmobiling on the Trans-Québec 43 network and ice fishing (nearby Lac de la Ferme) depend on ice conditions — usually reliable from January to early March.