Mount Aetna Weather in January
Average highs run from 40°F on January 1 to 41°F on January 31, and lows from 24°F to 22°F. Normal precipitation for the month is 3.23 in.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 40°F
- Average low
- 22°F
- Precipitation
- 3.23 in
- Snowfall
- 10.6 in
- Record high
- 69°FJan 29, 2002
- Record low
- -18°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 26 min to 10 h 10 min
- Cloud cover
- 65%
- Humidity
- 85%
- Dew point
- 25°F
- Wind
- 8.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 40°F | 24°F | 61°F 2005 | 3°F 1977 | 9% | |
| Jan 2 | 40°F | 24°F | 63°F 2000 | -2°F 1968 | 9% | |
| Jan 3 | 40°F | 23°F | 66°F 2004 | -1°F 1979 | 10% | |
| Jan 4 | 40°F | 23°F | 65°F 1997 | 0°F 1981 | 10% | |
| Jan 5 | 40°F | 23°F | 64°F 1998 | -2°F 1968 | 10% | |
| Jan 6 | 40°F | 23°F | 65°F 2007 | 1°F 1988 | 10% | |
| Jan 7 | 40°F | 23°F | 67°F 2008 | 5°F 1988 | 10% | |
| Jan 8 | 40°F | 23°F | 66°F 2008 | -6°F 1970 | 10% | |
| Jan 9 | 39°F | 23°F | 62°F 2006 | -6°F 1970 | 11% | |
| Jan 10 | 39°F | 22°F | 60°F 1998 | -6°F 1982 | 11% | |
| Jan 11 | 39°F | 22°F | 64°F 1975 | -7°F 1982 | 11% | |
| Jan 12 | 39°F | 22°F | 62°F 1975 | -4°F 1968 | 11% | |
| Jan 13 | 39°F | 22°F | 65°F 1995 | 1°F 1977 | 11% | |
| Jan 14 | 39°F | 22°F | 65°F 1995 | 6°F 1988 | 11% | |
| Jan 15 | 39°F | 22°F | 64°F 1995 | -1°F 1994 | 11% | |
| Jan 16 | 39°F | 22°F | 58°F 1995 | -7°F 1972 | 12% | |
| Jan 17 | 39°F | 22°F | 63°F 1990 | -16°F 1982 | 12% | |
| Jan 18 | 40°F | 22°F | 67°F 1973 | -8°F 1982 | 12% | |
| Jan 19 | 40°F | 22°F | 63°F 1973 | -18°F 1994 | 12% | |
| Jan 20 | 40°F | 22°F | 58°F 2006 | -9°F 1985 | 13% | |
| Jan 21 | 40°F | 22°F | 57°F 2006 | -16°F 1985 | 13% | |
| Jan 22 | 40°F | 22°F | 55°F 1986 | -5°F 1970 | 13% | |
| Jan 23 | 40°F | 22°F | 59°F 1999 | -2°F 1970 | 13% | |
| Jan 24 | 40°F | 22°F | 59°F 1999 | 3°F 1987 | 13% | |
| Jan 25 | 40°F | 22°F | 57°F 2010 | 1°F 1987 | 13% | |
| Jan 26 | 40°F | 22°F | 56°F 1973 | 4°F 1982 | 13% | |
| Jan 27 | 40°F | 22°F | 66°F 2002 | 5°F 1987 | 14% | |
| Jan 28 | 40°F | 22°F | 65°F 2002 | 0°F 1986 | 14% | |
| Jan 29 | 41°F | 22°F | 69°F 2002 | -7°F 1977 | 14% | |
| Jan 30 | 41°F | 22°F | 69°F 2002 | 8°F 1980 | 14% | |
| Jan 31 | 41°F | 22°F | 62°F 2012 | 2°F 1977 | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:31 AM, sunset 4:57 PM
- January 31
- sunrise 7:19 AM, sunset 5:29 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00181790 (Hagerstown 1 E), public domain. Records: NOAA GHCN-Daily, station USC00181530, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.