United States · 1991–2020 normal
Janesville in
January.
Typical January weather in Janesville: -5.4°C by day, -15°C at night, 31 mm of rain over 5.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-5.4°C
Typical low-15°C
Rain31 mm
Wet days5.8
Comfort score 5 this month (August leads the year at 75). Daylight is calculated as 9 h 13 from latitude 44.12°.
Event window
Frost-level nights in January
The measured night-time normal is -15°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5031749
- NOAA station
- USC00218692 · WASECA S RSCH & OUTREACH CTR
- Station distance
- 15.4 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.