Castleton Weather in January
Average highs run from 31°F on January 1 to 29°F on January 31, and lows from 11°F to 6°F. Normal precipitation for the month is 2.69 in over about 13 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
- 29°F
- Average low
- 8°F
- Precipitation
- 2.69 in
- Snowfall
- 18.3 in
- Record high
- 70°FJan 4, 1950
- Record low
- -36°FJan 27, 1994
- Chance of a freeze
- 100%
- Daylight
- 9 h 01 min to 9 h 53 min
- Cloud cover
- 69%
- Humidity
- 93%
- Dew point
- 15°F
- Wind
- 5.8 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 | 31°F | 11°F | 60°F 1966 | -22°F 1918 | 46% | 29% |
| Jan 2 | 31°F | 11°F | 60°F 1919 | -22°F 2018 | 46% | 29% |
| Jan 3 | 31°F | 11°F | 60°F 2000 | -19°F 1918 | 45% | 30% |
| Jan 4 | 30°F | 10°F | 70°F 1950 | -23°F 1981 | 45% | 30% |
| Jan 5 | 30°F | 10°F | 64°F 1950 | -20°F 1996 | 45% | 30% |
| Jan 6 | 30°F | 10°F | 67°F 2007 | -29°F 1996 | 45% | 30% |
| Jan 7 | 30°F | 10°F | 58°F 1935 | -24°F 2018 | 45% | 30% |
| Jan 8 | 30°F | 9°F | 50°F 1989 | -24°F 2018 | 45% | 30% |
| Jan 9 | 30°F | 9°F | 66°F 1937 | -20°F 1968 | 44% | 30% |
| Jan 10 | 30°F | 9°F | 57°F 2008 | -18°F 1994 | 44% | 30% |
| Jan 11 | 29°F | 9°F | 58°F 1933 | -25°F 1968 | 44% | 30% |
| Jan 12 | 29°F | 8°F | 64°F 2020 | -26°F 1968 | 44% | 30% |
| Jan 13 | 29°F | 8°F | 66°F 1932 | -20°F 1981 | 43% | 30% |
| Jan 14 | 29°F | 8°F | 64°F 2005 | -26°F 1957 | 43% | 30% |
| Jan 15 | 29°F | 8°F | 66°F 1995 | -25°F 1957 | 43% | 30% |
| Jan 16 | 29°F | 8°F | 64°F 1995 | -23°F 1920 | 42% | 30% |
| Jan 17 | 29°F | 7°F | 53°F 1995 | -20°F 1971 | 42% | 30% |
| Jan 18 | 29°F | 7°F | 62°F 1996 | -22°F 1954 | 42% | 30% |
| Jan 19 | 29°F | 7°F | 60°F 1949 | -19°F 1971 | 41% | 30% |
| Jan 20 | 29°F | 7°F | 55°F 1951 | -24°F 1994 | 41% | 30% |
| Jan 21 | 29°F | 7°F | 58°F 2006 | -23°F 1994 | 40% | 30% |
| Jan 22 | 29°F | 7°F | 60°F 1959 | -21°F 2019 | 40% | 30% |
| Jan 23 | 29°F | 7°F | 55°F 1967 | -22°F 2019 | 40% | 30% |
| Jan 24 | 29°F | 7°F | 55°F 1967 | -26°F 2011 | 39% | 29% |
| Jan 25 | 29°F | 7°F | 59°F 1938 | -25°F 2011 | 39% | 29% |
| Jan 26 | 29°F | 6°F | 56°F 1950 | -26°F 1920 | 38% | 29% |
| Jan 27 | 29°F | 6°F | 58°F 1974 | -36°F 1994 | 38% | 29% |
| Jan 28 | 29°F | 6°F | 52°F 1994 | -25°F 1918 | 38% | 29% |
| Jan 29 | 29°F | 6°F | 55°F 1950 | -20°F 1925 | 38% | 29% |
| Jan 30 | 29°F | 6°F | 51°F 1974 | -21°F 1948 | 37% | 29% |
| Jan 31 | 29°F | 6°F | 63°F 2013 | -27°F 1948 | 37% | 29% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:26 AM, sunset 4:27 PM
- January 31
- sunrise 7:10 AM, sunset 5:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00436995 (Rutland), public domain. Records: NOAA GHCN-Daily, station USC00436995, 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.