United States · 1991–2020 normal

Marathon in
May.

Typical May weather in Marathon: 30.8°C by day, 24.7°C at night, 85 mm of rain over 6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.8°C
Typical low24.7°C
Rain85 mm
Wet days6

Comfort score 50 this month (January leads the year at 93). Daylight is calculated as 13 h 20 from latitude 24.71°. Open-water sea temperature is 27.0°C (11 km from the place centre).

Event window

Warm sea in May

The nearest open-water NOAA OISST 1991–2020 cell averages 27.0°C in May. 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.