United States · 1991–2020 normal

Rockville in
May.

Typical May weather in Rockville: 24.6°C by day, 11.4°C at night, 129 mm of rain over 11 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high24.6°C
Typical low11.4°C
Rain129 mm
Wet days11

Comfort score 71 this month (September leads the year at 79). Daylight is calculated as 14 h 21 from latitude 39.76°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4263850
NOAA station
USC00127522 · ROCKVILLE
Station distance
0.4 km from the place centre
Coverage
Strong coverage · 28 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.