United States · 1991–2020 normal

Hillsboro in
January.

Typical January weather in Hillsboro: -8.3°C by day, -18.5°C at night, 17 mm of rain over 4.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-8.3°C
Typical low-18.5°C
Rain17 mm
Wet days4.1

Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 8 h 51 from latitude 47.40°.

Event window

Frost-level nights in January

The measured night-time normal is -18.5°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5059660
NOAA station
USC00324203 · HILLSBORO 3 N
Station distance
3.9 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.