LFBM temperature trend
Mont-de-Marsan (BA 118) Air Base
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
35 °C
Sep 14, 2026
Coldest
7 °C
Sep 19, 2026
Mean temperature
19.5 °C
Mean dew point
12.0 °C
669 archived observations · Archive updated continuously
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