Greencastle Weather in January
Average highs run from 41°F on January 1 to 41°F on January 31, and lows from 27°F to 25°F. Normal precipitation for the month is 2.46 in over about 10 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
- 41°F
- Average low
- 25°F
- Precipitation
- 2.46 in
- Snowfall
- 10.0 in
- Record high
- 71°FJan 26, 2024
- Record low
- -2°FJan 7, 2014
- Chance of a freeze
- 100%
- Daylight
- 9 h 25 min to 10 h 09 min
- Cloud cover
- 70%
- Humidity
- 87%
- Dew point
- 23°F
- Wind
- 7.6 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 | 41°F | 27°F | 64°F 2005 | 9°F 2018 | 32% | 11% |
| Jan 2 | 41°F | 26°F | 65°F 2000 | 9°F 2018 | 32% | 11% |
| Jan 3 | 41°F | 26°F | 67°F 2004 | 7°F 2014 | 32% | 11% |
| Jan 4 | 41°F | 26°F | 65°F 2000 | 5°F 2014 | 32% | 11% |
| Jan 5 | 41°F | 26°F | 61°F 2007 | 8°F 2018 | 32% | 12% |
| Jan 6 | 41°F | 26°F | 65°F 2007 | 3°F 2014 | 32% | 12% |
| Jan 7 | 41°F | 26°F | 69°F 2008 | -2°F 2014 | 32% | 12% |
| Jan 8 | 41°F | 26°F | 66°F 2008 | 5°F 2015 | 33% | 12% |
| Jan 9 | 40°F | 26°F | 66°F 2006 | 8°F 2004 | 33% | 12% |
| Jan 10 | 40°F | 25°F | 59°F 2002 | 2°F 2004 | 33% | 13% |
| Jan 11 | 40°F | 25°F | 68°F 2020 | 9°F 2004 | 33% | 13% |
| Jan 12 | 40°F | 25°F | 69°F 2018 | 16°F 2003 | 33% | 13% |
| Jan 13 | 40°F | 25°F | 68°F 2005 | 16°F 2016 | 33% | 13% |
| Jan 14 | 40°F | 25°F | 64°F 2007 | 11°F 2018 | 33% | 13% |
| Jan 15 | 40°F | 25°F | 62°F 2007 | 10°F 2004 | 33% | 13% |
| Jan 16 | 40°F | 25°F | 56°F 2000 | 4°F 2009 | 33% | 14% |
| Jan 17 | 40°F | 25°F | 54°F 2012 | 2°F 2009 | 33% | 14% |
| Jan 18 | 40°F | 25°F | 53°F 2010 | 2°F 2003 | 33% | 14% |
| Jan 19 | 40°F | 25°F | 56°F 2013 | 9°F 2003 | 33% | 14% |
| Jan 20 | 40°F | 25°F | 61°F 2006 | 7°F 2025 | 33% | 14% |
| Jan 21 | 40°F | 25°F | 60°F 2006 | 6°F 2000 | 32% | 14% |
| Jan 22 | 40°F | 25°F | 62°F 2018 | 0°F 2014 | 32% | 14% |
| Jan 23 | 40°F | 25°F | 62°F 1999 | 4°F 2014 | 32% | 14% |
| Jan 24 | 40°F | 25°F | 59°F 1999 | 3°F 2014 | 32% | 14% |
| Jan 25 | 41°F | 25°F | 63°F 2010 | 3°F 2004 | 32% | 14% |
| Jan 26 | 41°F | 25°F | 71°F 2024 | 9°F 2007 | 32% | 14% |
| Jan 27 | 41°F | 25°F | 65°F 2002 | 8°F 2000 | 32% | 14% |
| Jan 28 | 41°F | 25°F | 64°F 1999 | 4°F 2014 | 32% | 14% |
| Jan 29 | 41°F | 25°F | 71°F 2002 | 4°F 2014 | 32% | 14% |
| Jan 30 | 41°F | 25°F | 67°F 2013 | 5°F 2026 | 32% | 14% |
| Jan 31 | 41°F | 25°F | 67°F 2012 | 0°F 2026 | 32% | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:32 AM, sunset 4:57 PM
- January 31
- sunrise 7:20 AM, sunset 5:29 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093706 (Hagerstown Washington CO AP), public domain. Records: NOAA GHCN-Daily, station USW00093706, 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.