Home › Weather › Sundridge Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scene Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
[csn_weather]
Sundridge, Ontario, sits in a humid continental climate zone, so you get warm summers and cold, snowy winters. The live forecast above gives today’s conditions, but for planning, the best months are June through August for warm days and lakeside activities, while January is the chilliest. If you’re a snowbird or timing a March-break getaway, late February and early March still bring reliable snow for winter sports, though spring thaw starts by late March.
What is the best time to visit Sundridge?
Summer (June–August) offers the most comfortable weather: daytime highs around 25 °C, ideal for paddling on the Magnetawan River or hiking at Oastler Lake Provincial Park. Fall colours peak in late September and early October, with crisp, cool days. Winter enthusiasts prefer December–February when average snowfall exceeds 250 cm and the area hosts snowmobile trails; early March still has good snowpack for skiing. The shoulder months of May and September can be wetter, so check the Canada Scene weather hub before booking.
What should I pack for Sundridge weather?
Layers are key year-round. In summer, pack a rain jacket as thunderstorms are common; for winter, a heavy parka, insulated boots, and gloves are essential. Spring and autumn require a waterproof shell and medium-weight sweaters. If you rely on Ottawa Weather patterns, Sundridge is typically a few degrees cooler, so adjust accordingly.
Does Sundridge get a lot of snow?
Yes, Sundridge averages about 270 cm of snow each winter, making it one of Ontario’s snowier spots. The snow season runs from November to April, with peak depths in January and February. Check the weather network sundridge forecast or a sundridge weather cam to see current conditions before driving up.
How hot does it get in Sundridge in summer?
Summer daytime highs typically reach 25–28 °C, though occasional heatwaves push into the low 30s. Nights cool to around 13 °C. The weather in sundridge ontario 10 days forecast is reliable for planning a cottage trip or camping.
Is there a rainy season in Sundridge?
Rainfall is fairly steady year-round, but the wettest months are September and October (about 90 mm each). June also sees frequent afternoon thunderstorms. For a long-range look, the sundridge weather 30 day forecast can help you pick the driest week.