LSGS temperature trend
Sion 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
34 °C
Sep 8, 2026
Coldest
8 °C
Sep 19, 2026
Mean temperature
18.2 °C
Mean dew point
11.1 °C
675 archived observations · Archive updated continuously
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