Sullivan County climate

Sullivan County Weather in January

NOAA 1991-2020 normals for Green City 5N, 20.7 km from Sullivan County

Average highs run from 33°F on January 1 to 33°F on January 31, and lows from 14°F to 13°F. Normal precipitation for the month is 1.34 in.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Sullivan County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
32°F
Average low
13°F
Precipitation
1.34 in
Snowfall
5.3 in
Record high
71°FJan 24, 1950
Record low
-18°FJan 15, 1972
Chance of a freeze
100%
Daylight
9 h 22 min to 10 h 08 min
Cloud cover
65%
Humidity
84%
Dew point
20°F
Wind
11.2 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jan 133°F14°F57°F 2004-16°F 20188%
Jan 232°F14°F64°F 2004-14°F 20188%
Jan 332°F14°F57°F 2023-8°F 20148%
Jan 432°F14°F54°F 1956-14°F 19598%
Jan 532°F14°F61°F 1956-17°F 19998%
Jan 632°F13°F57°F 2012-12°F 19708%
Jan 732°F13°F66°F 2008-16°F 19688%
Jan 832°F13°F68°F 2003-12°F 19708%
Jan 932°F13°F62°F 2020-16°F 19628%
Jan 1032°F13°F56°F 2012-17°F 19628%
Jan 1132°F13°F63°F 2004-16°F 19628%
Jan 1232°F13°F62°F 1960-5°F 19548%
Jan 1332°F13°F57°F 1961-13°F 20248%
Jan 1432°F13°F66°F 1952-17°F 20248%
Jan 1532°F12°F60°F 1953-18°F 19728%
Jan 1632°F12°F65°F 2012-9°F 20098%
Jan 1732°F12°F59°F 1952-6°F 19629%
Jan 1832°F12°F65°F 1951-10°F 19709%
Jan 1932°F12°F64°F 1951-12°F 19639%
Jan 2032°F12°F53°F 1967-14°F 19709%
Jan 2132°F12°F70°F 1957-17°F 19709%
Jan 2232°F12°F67°F 1967-11°F 19639%
Jan 2332°F12°F63°F 1967-17°F 19639%
Jan 2432°F13°F71°F 1950-10°F 19639%
Jan 2532°F13°F61°F 2005-9°F 19619%
Jan 2632°F13°F62°F 2002-15°F 20269%
Jan 2732°F13°F64°F 2002-14°F 19619%
Jan 2833°F13°F65°F 2008-15°F 19489%
Jan 2933°F13°F63°F 2013-16°F 19669%
Jan 3033°F13°F64°F 2012-17°F 19659%
Jan 3133°F13°F65°F 2012-18°F 19659%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sullivan County, in percent, and of at least 0.1 inch of snowfall.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:35 AM, sunset 4:57 PM
January 31
sunrise 7:22 AM, sunset 5:30 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00233416 (Green City 5N), public domain. Records: NOAA GHCN-Daily, station USW00014938, 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.