CYYT temperature trend
St. John's 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
22 °C
Sep 17, 2026
Coldest
4 °C
Sep 29, 2026
Mean temperature
11.6 °C
Mean dew point
8.6 °C
775 archived observations · Archive updated continuously
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