United States · 1991–2020 normal
Hillsboro in
December.
Typical December weather in Hillsboro: -4.7°C by day, -13.8°C at night, 23 mm of rain over 4.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-4.7°C
Typical low-13.8°C
Rain23 mm
Wet days4.5
Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 8 h 28 from latitude 47.40°.
Event window
Frost-level nights in December
The measured night-time normal is -13.8°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5059660
- NOAA station
- USC00324203 · HILLSBORO 3 N
- Station distance
- 3.9 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.