United States · 1991–2020 normal
Boulder Hill in
January.
Typical January weather in Boulder Hill: -0.5°C by day, -9.5°C at night, 46 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.5°C
Typical low-9.5°C
Rain46 mm
Wet days7
Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 27 from latitude 41.71°.
Event window
Frost-level nights in January
The measured night-time normal is -9.5°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4885336
- NOAA station
- USC00110338 · AURORA WATER
- Station distance
- 7.9 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.