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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Northern Focus Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
When planning your month in Calgary, expect a dramatic range from deep winter cold to warm summer highs, with the live forecast above giving you the current conditions. Monthly averages show January as the chilliest and July as the warmest, making spring and fall ideal transition seasons.
What is the average monthly temperature in Calgary?
Calgary’s temperature by month in Celsius ranges from a mean of −7 °C in January to about 16 °C in July. Daily highs in summer often reach 23 °C, while winter lows can drop below −15 °C. Spring warms gradually: Calgary weather in May in Celsius averages a pleasant 11 °C, though chinook winds can bring sudden thaws even in the depths of February. For a detailed look ahead, check the Calgary Weather page against the live forecast above.
How does Calgary’s weather vary by season?
Winter (December–February) brings consistent snow cover and frequent chinooks; february weather calgary 2026 is likely to follow the historical pattern of cold spells mixed with mild, windy days. Spring (March–May) sees rapid warming—march weather calgary 2026 often starts snowy and ends with melting into April. Summer (June–August) is warm and dry with occasional thunderstorms, while autumn (September–November) cools quickly toward the first snowfall. For a month-by-month breakdown, the Canada weather hub combines historical data with the live forecast above.
What is the best time to visit Calgary for mild weather?
Late May through early September offers the most comfortable conditions, with daily highs averaging 15–23 °C. July is the warmest and driest month, perfect for outdoor festivals and exploring the nearby Rockies.
How cold does Calgary get in winter?
Winter lows can dip below −30 °C during Arctic outbreaks, but chinook winds often raise temperatures above freezing within hours. January is typically the coldest month, with average lows near −15 °C and highs around −3 °C.
Does Calgary get a lot of snow?
Calgary averages about 130 cm of snow per year, mostly from November to March. Snowfall is often light and dry, and chinooks can melt it quickly. The city sees roughly 60 snowy days annually, but accumulations rarely persist long.