United States · 1991–2020 normal

Brentwood in
January.

Typical January weather in Brentwood: 2.5°C by day, -5.4°C at night, 74 mm of rain over 9.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high2.5°C
Typical low-5.4°C
Rain74 mm
Wet days9.2

Comfort score 5 this month (September leads the year at 85). Daylight is calculated as 9 h 35 from latitude 40.37°.

Event window

Frost-level nights in January

The measured night-time normal is -5.4°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5181553
NOAA station
USW00014762 · PITTSBURGH ALLEGHENY CO AP
Station distance
4.8 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.