United States · 1991–2020 normal

Derwood in
January.

Typical January weather in Derwood: 5.7°C by day, -2.9°C at night, 82 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high5.7°C
Typical low-2.9°C
Rain82 mm
Wet days8

Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 42 from latitude 39.12°.

Event window

Frost-level nights in January

The measured night-time normal is -2.9°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4353084
NOAA station
USC00187705 · ROCKVILLE 1 NE
Station distance
2.1 km from the place centre
Coverage
Good coverage · 17 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.