United States · 1991–2020 normal
Mercersburg in
January.
Typical January weather in Mercersburg: 4.1°C by day, -4.2°C at night, 66 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high4.1°C
Typical low-4.2°C
Rain66 mm
Wet days8
Comfort score 5 this month (September leads the year at 82). Daylight is calculated as 9 h 38 from latitude 39.83°.
Event window
Frost-level nights in January
The measured night-time normal is -4.2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4559600
- NOAA station
- USW00093706 · HAGERSTOWN RGNL AP
- Station distance
- 20.1 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.