CYHM temperature trend
John C. Munro Hamilton International Airport
Temperature and dew point over time. The gap between them is what decides fog, and the temperature itself is what decides your density altitude and takeoff run.
Warmest
27 °C
Sep 13, 2026
Coldest
10 °C
Sep 14, 2026
Mean temperature
17.8 °C
Mean dew point
13.1 °C
370 archived observations · Archive updated continuously
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