United States · 1991–2020 normal
Marathon in
December.
Typical December weather in Marathon: 25.5°C by day, 20°C at night, 51 mm of rain over 4.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.5°C
Typical low20°C
Rain51 mm
Wet days4.9
Comfort score 82 this month (January leads the year at 93). Daylight is calculated as 10 h 37 from latitude 24.71°. Open-water sea temperature is 24.8°C (11 km from the place centre).
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 24.8°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4163379
- NOAA station
- USW00012896 · MARATHON AP
- Station distance
- 4.5 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.