United States · 1991–2020 normal
Oak Brook in
January.
Typical January weather in Oak Brook: 1.2°C by day, -7.9°C at night, 57 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high1.2°C
Typical low-7.9°C
Rain57 mm
Wet days8
Comfort score 5 this month (September leads the year at 79). Daylight is calculated as 9 h 27 from latitude 41.83°. Open-water sea temperature is 3.3°C (26 km from the place centre).
Event window
Frost-level nights in January
The measured night-time normal is -7.9°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4904277
- NOAA station
- USC00119221 · WHEATON 3 SE
- Station distance
- 12.1 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.