Cass County climate

Cass County Weather in December

NOAA 1991-2020 normals for Atlanta, 17.4 km from Cass County

Average highs run from 61°F on December 1 to 56°F on December 31, and lows from 39°F to 33°F. Normal precipitation for the month is 4.76 in over about 8 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 Cass County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
58°F
Average low
36°F
Precipitation
4.76 in
Record high
85°FDec 1, 1998
Record low
7°FDec 23, 2022
Chance of a freeze
100%
Daylight
10 h 07 min to 10 h 01 min
Cloud cover
59%
Humidity
82%
Dew point
40°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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 161°F39°F85°F 199822°F 202026%0%
Dec 261°F38°F77°F 199922°F 202026%0%
Dec 361°F38°F81°F 201226°F 200826%0%
Dec 461°F38°F83°F 200521°F 200626%0%
Dec 560°F38°F80°F 201320°F 200626%0%
Dec 660°F38°F80°F 199820°F 200926%0%
Dec 760°F37°F79°F 199822°F 200526%0%
Dec 860°F37°F80°F 202218°F 200626%0%
Dec 959°F37°F79°F 200717°F 200526%0%
Dec 1059°F37°F78°F 200716°F 200526%0%
Dec 1159°F37°F82°F 202123°F 200327%0%
Dec 1259°F36°F79°F 201522°F 201227%0%
Dec 1359°F36°F75°F 200422°F 201227%0%
Dec 1458°F36°F71°F 200623°F 201227%0%
Dec 1558°F36°F76°F 200620°F 200427%0%
Dec 1658°F36°F79°F 202120°F 200427%
Dec 1758°F35°F75°F 202123°F 199927%
Dec 1858°F35°F78°F 200624°F 201627%
Dec 1958°F35°F77°F 200619°F 201627%
Dec 2057°F35°F75°F 201217°F 201627%
Dec 2157°F35°F77°F 200824°F 201627%
Dec 2257°F35°F81°F 201019°F 199927%
Dec 2357°F34°F72°F 20077°F 202227%
Dec 2457°F34°F80°F 20257°F 202227%
Dec 2557°F34°F79°F 201516°F 202227%
Dec 2657°F34°F81°F 202117°F 202228%
Dec 2757°F34°F83°F 202522°F 201028%
Dec 2856°F34°F79°F 200521°F 201027%
Dec 2956°F34°F78°F 202124°F 199927%
Dec 3056°F34°F78°F 202121°F 201227%
Dec 3156°F33°F76°F 202122°F 201227%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cass County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:03 AM, sunset 5:10 PM
December 31
sunrise 7:20 AM, sunset 5:21 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410408 (Atlanta), public domain. Records: NOAA GHCN-Daily, station USC00410408, 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.