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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.
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For the most current conditions in Chilliwack, check the live forecast above. Expect mild winters and warm summers in this Fraser Valley city, with rain common from October through March and drier, sunnier weather from June through early September.
When is the best time to visit Chilliwack?
July and August offer the most reliable warm weather for hiking in Cultus Lake or exploring the Vedder River, with daytime highs often reaching the mid-20s Celsius. For spring blooms and fewer crowds, May and June are ideal, though you’ll want a rain jacket handy. Snowbird travellers should aim for late May to September to avoid the wettest months, while March-break visitors should pack for cool, damp conditions and possible snow in the surrounding mountains.
What should you pack for a trip to Chilliwack?
Pack layers year-round: a waterproof jacket and sturdy walking shoes are essential, even in summer. For winter visits (November to February), bring a warm coat, gloves, and an umbrella—temperatures hover near freezing but rarely drop far below. Summer calls for shorts, sun protection, and a light fleece for cooler evenings near the river.
Does it rain a lot in Chilliwack?
Yes—Chilliwack is one of the wetter cities in BC, with heavy rainfall from October to March. Total annual precipitation is about 1,600 mm, much of it falling as rain in the lower valley. Summer months are noticeably drier.
Is Chilliwack colder than Vancouver?
Chilliwack is slightly cooler than Vancouver in winter, with average lows near freezing versus Vancouver’s 3 °C. Frost is more common in the Fraser Valley, but it still rarely stays cold for long stretches.
When does snow fall in Chilliwack?
Snow is infrequent in town—typically 2–5 days a year from December to February. Most winter precipitation falls as rain, though the surrounding mountains receive significant snowfall for skiing at nearby resorts like Hemlock.