United States · 1991–2020 normal
Hartley in
January.
Typical January weather in Hartley: 13.6°C by day, 3.8°C at night, 141 mm of rain over 9.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high13.6°C
Typical low3.8°C
Rain141 mm
Wet days9.5
Comfort score 25 this month (April leads the year at 85). Daylight is calculated as 9 h 45 from latitude 38.42°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5355612
- NOAA station
- USC00049200 · VACAVILLE
- Station distance
- 2.7 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.