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 Lowest prices & quiet stays: April, May, and November
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: low prices, 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