Grainger County Weather in January
Average highs run from 46°F on January 1 to 47°F on January 31, and lows from 30°F to 30°F. Normal precipitation for the month is 4.40 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
- 46°F
- Average low
- 29°F
- Precipitation
- 4.40 in
- Snowfall
- 3.5 in
- Record high
- 77°FJan 11, 2020
- Record low
- -2°FJan 29, 2014
- Chance of a freeze
- 100%
- Daylight
- 9 h 45 min to 10 h 24 min
- Cloud cover
- 70%
- Humidity
- 85%
- Dew point
- 30°F
- Wind
- 5.4 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 | 46°F | 30°F | 76°F 2022 | 10°F 2018 | 41% | 8% |
| Jan 2 | 46°F | 30°F | 68°F 2000 | 5°F 2018 | 41% | 9% |
| Jan 3 | 46°F | 30°F | 76°F 2023 | 10°F 2010 | 41% | 9% |
| Jan 4 | 46°F | 29°F | 72°F 2004 | 15°F 1999 | 41% | 9% |
| Jan 5 | 46°F | 29°F | 70°F 2004 | 11°F 2018 | 41% | 9% |
| Jan 6 | 46°F | 29°F | 66°F 1998 | 3°F 2014 | 41% | 9% |
| Jan 7 | 46°F | 29°F | 66°F 2019 | -1°F 2014 | 41% | 9% |
| Jan 8 | 46°F | 29°F | 72°F 1998 | 4°F 2015 | 41% | 9% |
| Jan 9 | 46°F | 29°F | 65°F 2006 | 7°F 2010 | 41% | 9% |
| Jan 10 | 46°F | 29°F | 68°F 2018 | 12°F 2015 | 41% | 9% |
| Jan 11 | 46°F | 29°F | 77°F 2020 | 6°F 1997 | 41% | 9% |
| Jan 12 | 46°F | 29°F | 72°F 2013 | 8°F 1997 | 41% | 9% |
| Jan 13 | 46°F | 29°F | 72°F 2005 | 9°F 1997 | 41% | 9% |
| Jan 14 | 46°F | 29°F | 70°F 2007 | 12°F 2011 | 41% | 9% |
| Jan 15 | 46°F | 29°F | 66°F 2007 | 10°F 2009 | 41% | 9% |
| Jan 16 | 46°F | 29°F | 62°F 2017 | 4°F 2009 | 41% | 9% |
| Jan 17 | 46°F | 29°F | 64°F 2012 | 1°F 2024 | 41% | 9% |
| Jan 18 | 46°F | 29°F | 71°F 1996 | 5°F 2018 | 41% | 9% |
| Jan 19 | 46°F | 29°F | 66°F 1996 | 10°F 2016 | 41% | 9% |
| Jan 20 | 46°F | 29°F | 66°F 2017 | 8°F 2024 | 41% | 10% |
| Jan 21 | 46°F | 29°F | 69°F 1999 | 4°F 2024 | 42% | 10% |
| Jan 22 | 46°F | 29°F | 76°F 1999 | 6°F 2025 | 42% | 10% |
| Jan 23 | 46°F | 29°F | 69°F 1999 | 9°F 2014 | 42% | 10% |
| Jan 24 | 46°F | 29°F | 62°F 2024 | 1°F 2014 | 42% | 10% |
| Jan 25 | 46°F | 29°F | 66°F 2017 | 11°F 2003 | 42% | 10% |
| Jan 26 | 46°F | 29°F | 65°F 2024 | 11°F 2026 | 42% | 10% |
| Jan 27 | 47°F | 29°F | 69°F 1999 | 7°F 2026 | 42% | 10% |
| Jan 28 | 47°F | 29°F | 67°F 1999 | 10°F 2014 | 42% | 10% |
| Jan 29 | 47°F | 29°F | 71°F 2002 | -2°F 2014 | 42% | 10% |
| Jan 30 | 47°F | 29°F | 73°F 2002 | 5°F 2014 | 43% | 10% |
| Jan 31 | 47°F | 30°F | 77°F 2002 | 11°F 2004 | 43% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:45 AM, sunset 5:30 PM
- January 31
- sunrise 7:36 AM, sunset 6:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00406272 (Morristown WFO), public domain. Records: NOAA GHCN-Daily, station USC00406272, 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.