United States · 1991–2020 normal
Rochester in
January.
Typical January weather in Rochester: -0.5°C by day, -8.1°C at night, 55 mm of rain over 8.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.5°C
Typical low-8.1°C
Rain55 mm
Wet days8.5
Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 22 from latitude 42.68°. Open-water sea temperature is 1.1°C (22 km from the place centre).
Event window
Frost-level nights in January
The measured night-time normal is -8.1°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5007400
- NOAA station
- USC00206658 · PONTIAC WWTP
- Station distance
- 11 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.