United States · 1991–2020 normal

National Harbor in
May.

Typical May weather in National Harbor: 24.4°C by day, 13.1°C at night, 130 mm of rain over 10.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high24.4°C
Typical low13.1°C
Rain130 mm
Wet days10.2

Comfort score 75 this month, the highest of the year. Daylight is calculated as 14 h 16 from latitude 38.78°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 7276754
NOAA station
USC00186800 · OXON HILL
Station distance
2.3 km from the place centre
Coverage
Good coverage · 18 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.