Hamilton County climate

Hamilton County Weather in January

NOAA 1991-2020 normals for Mcleansboro, 0.4 km from Hamilton County

Average highs run from 42°F on January 1 to 42°F on January 31, and lows from 24°F to 22°F. Normal precipitation for the month is 3.55 in over about 11 wet days.

January day by day

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

Normal daily high and low temperature at Hamilton County, in °F, with the record for each date.-250255075100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
41°F
Average low
22°F
Precipitation
3.55 in
Snowfall
3.7 in
Record high
78°FJan 24, 1943
Record low
-22°FJan 17, 1977
Chance of a freeze
100%
Daylight
9 h 35 min to 10 h 16 min
Cloud cover
66%
Humidity
84%
Dew point
26°F
Wind
11.0 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 142°F24°F70°F 1952-3°F 192837%11%
Jan 242°F23°F67°F 2000-1°F 192837%11%
Jan 341°F23°F72°F 2000-2°F 192837%11%
Jan 441°F23°F67°F 19970°F 191137%11%
Jan 541°F23°F68°F 1955-9°F 194036%11%
Jan 641°F23°F67°F 2008-2°F 192436%11%
Jan 741°F23°F69°F 2008-18°F 191236%11%
Jan 841°F23°F69°F 1965-11°F 194236%11%
Jan 941°F23°F68°F 1902-5°F 197936%11%
Jan 1041°F23°F65°F 1975-13°F 198236%11%
Jan 1141°F22°F68°F 1911-18°F 197735%10%
Jan 1241°F22°F72°F 1916-18°F 191835%10%
Jan 1341°F22°F68°F 1911-20°F 191235%10%
Jan 1441°F22°F70°F 1932-9°F 196435%10%
Jan 1541°F22°F73°F 1907-10°F 197934%10%
Jan 1641°F22°F74°F 1928-9°F 191234%10%
Jan 1741°F22°F69°F 1952-22°F 197734%10%
Jan 1841°F22°F68°F 1923-19°F 199434%9%
Jan 1941°F22°F73°F 1907-15°F 199434%9%
Jan 2041°F22°F75°F 1906-11°F 199434%9%
Jan 2141°F22°F71°F 1986-17°F 198434%9%
Jan 2241°F21°F68°F 1964-7°F 193034%9%
Jan 2341°F21°F74°F 1909-11°F 191834%9%
Jan 2441°F21°F78°F 1943-15°F 196333%8%
Jan 2541°F21°F76°F 1950-5°F 190533%8%
Jan 2641°F21°F74°F 1950-7°F 194033%8%
Jan 2742°F21°F70°F 1947-13°F 190433%8%
Jan 2842°F21°F71°F 1970-17°F 196333%8%
Jan 2942°F21°F71°F 2002-4°F 197733%8%
Jan 3042°F21°F72°F 1931-6°F 196632%8%
Jan 3142°F22°F70°F 1917-7°F 196532%8%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hamilton County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:10 AM, sunset 4:45 PM
January 31
sunrise 7:00 AM, sunset 5:16 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115515 (Mcleansboro), public domain. Records: NOAA GHCN-Daily, station USC00113879, 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.