United States · 1991–2020 normal
Hillsboro in
January.
Typical January weather in Hillsboro: 4.7°C by day, -6.8°C at night, 20 mm of rain over 2.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.7°C
Typical low-6.8°C
Rain20 mm
Wet days2.8
Comfort score 5 this month (September leads the year at 76). Daylight is calculated as 9 h 46 from latitude 38.35°.
Event window
Frost-level nights in January
The measured night-time normal is -6.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4273003
- NOAA station
- USC00145039 · MARION RSVR
- Station distance
- 11.6 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.