Knox climate

Knox Weather in December

NOAA 1991-2020 normals for Knox Wwtp, 1.1 km from Knox

Average highs run from 42°F on December 1 to 33°F on December 31, and lows from 26°F to 19°F. Normal precipitation for the month is 2.61 in over about 12 wet days.

December day by day

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

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

December at a glance

Average high
37°F
Average low
22°F
Precipitation
2.61 in
Snowfall
5.7 in
Record high
66°FDec 4, 2012
Record low
-16°FDec 19, 2016
Chance of a freeze
100%
Daylight
9 h 25 min to 9 h 15 min
Cloud cover
75%
Humidity
87%
Dew point
25°F
Wind
11.6 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 142°F26°F59°F 191311°F 190836%7%
Dec 241°F26°F61°F 20128°F 190836%7%
Dec 341°F26°F60°F 20128°F 190537%8%
Dec 441°F25°F66°F 20122°F 191137%8%
Dec 540°F25°F62°F 20172°F 202537%8%
Dec 640°F25°F58°F 19121°F 200737%9%
Dec 740°F25°F62°F 19161°F 200737%9%
Dec 839°F24°F60°F 1916-2°F 190937%9%
Dec 939°F24°F58°F 2023-7°F 191737%10%
Dec 1039°F24°F59°F 1911-9°F 191737%10%
Dec 1138°F24°F61°F 2021-13°F 191737%10%
Dec 1238°F23°F58°F 2015-8°F 191737%11%
Dec 1338°F23°F63°F 2015-5°F 201337%11%
Dec 1437°F23°F63°F 2015-4°F 191437%11%
Dec 1537°F23°F64°F 2011-10°F 191637%12%
Dec 1637°F22°F63°F 2021-8°F 201038%12%
Dec 1737°F22°F57°F 2021-10°F 191438%12%
Dec 1836°F22°F51°F 2015-4°F 189738%13%
Dec 1936°F22°F51°F 2025-16°F 201638%13%
Dec 2036°F21°F52°F 2011-14°F 201638%13%
Dec 2136°F21°F52°F 2011-3°F 200838%14%
Dec 2235°F21°F53°F 2006-7°F 191638%14%
Dec 2335°F21°F55°F 2006-10°F 202238%14%
Dec 2435°F20°F63°F 2015-7°F 202238%15%
Dec 2535°F20°F59°F 20210°F 190638%15%
Dec 2634°F20°F60°F 2019-7°F 191438%15%
Dec 2734°F20°F62°F 2019-7°F 201738%16%
Dec 2834°F19°F63°F 2008-8°F 201738%16%
Dec 2934°F19°F66°F 2025-8°F 201738%16%
Dec 3034°F19°F61°F 2019-12°F 190939%16%
Dec 3133°F19°F52°F 2006-6°F 191439%17%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Knox, 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).

December 1
sunrise 6:53 AM, sunset 4:18 PM
December 31
sunrise 7:12 AM, sunset 4:27 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00124657 (Knox Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00124657, 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.