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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The all-time high temperature record for Corner Brook is 36.7°C, set on August 11, 1944, while the all-time low is -33.3°C, recorded on February 4, 1975. The live forecast above shows current conditions relative to these extremes.
What are Corner Brook’s monthly temperature records?
January holds the coldest monthly extreme, with the -33.3°C record. July and August share the warmest extremes: July reached 35.6°C on July 5, 1911, and August hit 36.7°C in 1944. September’s record high is 34.4°C (Sept 2, 1953), and December’s record low is -30.0°C (Dec 26, 1975). These figures come from Environment and Climate Change Canada’s historical dataset for the Corner Brook weather station.
How does Corner Brook’s record compare to other Canadian cities?
Corner Brook’s all-time high of 36.7°C is cooler than Toronto’s record of 40.6°C, but its low of -33.3°C is milder than Calgary’s -45.0°C. The city’s maritime climate, influenced by the Gulf of St. Lawrence, moderates extremes compared to inland locations like Edmonton or Ottawa.
When was the last time Corner Brook broke a daily record?
Daily records are broken several times per decade. The most recent notable daily record occurred on July 20, 2020, when the temperature reached 31.5°C, surpassing the previous daily high of 30.6°C set in 1955.
Does Corner Brook ever experience extreme heat warnings?
Yes, Environment and Climate Change Canada issues heat warnings when humidex values reach 35 or higher for two consecutive days. Corner Brook typically sees 1–3 such warnings per summer, often during humid air masses from the Gulf.
What is the record snowfall for Corner Brook?
The greatest 24-hour snowfall is 48.3 centimetres, recorded on February 22, 1969. Annual snowfall averages around 340 cm, making it one of the snowier cities in Newfoundland and Labrador.