United States · 1991–2020 normal
Hillsboro in
January.
Typical January weather in Hillsboro: 3.1°C by day, -6°C at night, 89 mm of rain over 9.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high3.1°C
Typical low-6°C
Rain89 mm
Wet days9.8
Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 41 from latitude 39.20°.
Event window
Frost-level nights in January
The measured night-time normal is -6°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4514282
- NOAA station
- USC00333758 · HILLSBORO
- Station distance
- 3.5 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.