United States · 1991–2020 normal

Rock Hall in
August.

Typical August weather in Rock Hall: 30.6°C by day, 18.5°C at night, 83 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.6°C
Typical low18.5°C
Rain83 mm
Wet days6.8

Comfort score 62 this month (May leads the year at 81). Daylight is calculated as 13 h 42 from latitude 39.14°. Open-water sea temperature is 25.7°C (12 km from the place centre).

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 25.7°C in August. 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 4367081
NOAA station
USC00181750 · CHESTERTOWN
Station distance
18 km from the place centre
Coverage
Good coverage · 20 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.