Mechanicsburg Weather in January
Average highs run from 36°F on January 1 to 36°F on January 31, and lows from 21°F to 18°F. Normal precipitation for the month is 3.13 in over about 14 wet days.
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
- 35°F
- Average low
- 19°F
- Precipitation
- 3.13 in
- Snowfall
- 7.0 in
- Record high
- 72°FJan 25, 1950
- Record low
- -24°FJan 19, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 24 min to 10 h 08 min
- Cloud cover
- 75%
- Humidity
- 86%
- Dew point
- 23°F
- Wind
- 12.3 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 | 36°F | 21°F | 64°F 1952 | -8°F 1968 | 45% | 16% |
| Jan 2 | 36°F | 21°F | 56°F 1965 | -12°F 2018 | 45% | 16% |
| Jan 3 | 36°F | 21°F | 62°F 2000 | -12°F 2018 | 45% | 17% |
| Jan 4 | 36°F | 20°F | 61°F 2023 | -6°F 1981 | 45% | 17% |
| Jan 5 | 36°F | 20°F | 64°F 1997 | -9°F 1924 | 45% | 17% |
| Jan 6 | 36°F | 20°F | 66°F 1946 | -12°F 1942 | 45% | 17% |
| Jan 7 | 36°F | 20°F | 59°F 1935 | -11°F 2014 | 45% | 17% |
| Jan 8 | 36°F | 20°F | 63°F 1937 | -15°F 1942 | 45% | 17% |
| Jan 9 | 35°F | 20°F | 60°F 1946 | -8°F 1979 | 45% | 17% |
| Jan 10 | 35°F | 19°F | 64°F 2026 | -10°F 1962 | 45% | 18% |
| Jan 11 | 35°F | 19°F | 56°F 1975 | -8°F 1979 | 45% | 18% |
| Jan 12 | 35°F | 19°F | 64°F 2020 | -3°F 1997 | 45% | 18% |
| Jan 13 | 35°F | 19°F | 62°F 1995 | -13°F 1977 | 45% | 18% |
| Jan 14 | 35°F | 19°F | 68°F 1932 | -8°F 1964 | 45% | 18% |
| Jan 15 | 35°F | 19°F | 64°F 1932 | -15°F 1982 | 45% | 18% |
| Jan 16 | 35°F | 19°F | 58°F 1950 | -14°F 1977 | 45% | 18% |
| Jan 17 | 35°F | 19°F | 62°F 1952 | -23°F 1982 | 44% | 18% |
| Jan 18 | 35°F | 19°F | 65°F 1929 | -15°F 1994 | 44% | 19% |
| Jan 19 | 35°F | 18°F | 59°F 1951 | -24°F 1994 | 44% | 19% |
| Jan 20 | 35°F | 18°F | 60°F 1951 | -23°F 1994 | 44% | 19% |
| Jan 21 | 35°F | 18°F | 62°F 1959 | -22°F 1994 | 44% | 19% |
| Jan 22 | 35°F | 18°F | 64°F 1933 | -15°F 1994 | 43% | 19% |
| Jan 23 | 35°F | 18°F | 67°F 1967 | -18°F 1936 | 43% | 19% |
| Jan 24 | 35°F | 18°F | 63°F 1967 | -17°F 1963 | 43% | 18% |
| Jan 25 | 35°F | 18°F | 72°F 1950 | -16°F 1961 | 42% | 18% |
| Jan 26 | 35°F | 18°F | 65°F 1950 | -8°F 2000 | 42% | 18% |
| Jan 27 | 35°F | 18°F | 62°F 1944 | -17°F 2003 | 42% | 18% |
| Jan 28 | 35°F | 18°F | 63°F 1999 | -17°F 2003 | 41% | 18% |
| Jan 29 | 36°F | 18°F | 65°F 1975 | -14°F 1963 | 41% | 18% |
| Jan 30 | 36°F | 18°F | 65°F 2002 | -8°F 1966 | 41% | 18% |
| Jan 31 | 36°F | 18°F | 63°F 2002 | -9°F 1936 | 40% | 18% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:56 AM, sunset 5:20 PM
- January 31
- sunrise 7:44 AM, sunset 5:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00338552 (Urbana Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00334681, 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.