Thayer climate

Thayer Weather in December

NOAA 1991-2020 normals for Mammoth Spring, 3.4 km from Thayer

Average highs run from 54°F on December 1 to 47°F on December 31, and lows from 30°F to 24°F. Normal precipitation for the month is 3.79 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 Thayer, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
50°F
Average low
27°F
Precipitation
3.79 in
Snowfall
0.8 in
Record high
78°FDec 28, 2025
Record low
-7°FDec 22, 2022
Chance of a freeze
100%
Daylight
9 h 51 min to 9 h 43 min
Cloud cover
62%
Humidity
83%
Dew point
32°F
Wind
4.9 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 154°F30°F70°F 202117°F 200226%1%
Dec 254°F30°F77°F 202118°F 200626%1%
Dec 353°F29°F77°F 202115°F 200626%1%
Dec 453°F29°F72°F 200112°F 200626%1%
Dec 553°F29°F74°F 199815°F 200226%1%
Dec 652°F29°F70°F 199811°F 200226%1%
Dec 752°F28°F63°F 20236°F 201326%1%
Dec 852°F28°F63°F 20154°F 200626%1%
Dec 951°F28°F71°F 20206°F 200526%1%
Dec 1051°F28°F73°F 20209°F 200925%1%
Dec 1151°F27°F69°F 19969°F 200025%1%
Dec 1251°F27°F71°F 20155°F 200025%2%
Dec 1350°F27°F65°F 20156°F 201025%2%
Dec 1450°F27°F66°F 20067°F 202525%2%
Dec 1550°F27°F71°F 202113°F 202525%2%
Dec 1650°F26°F68°F 20244°F 200025%2%
Dec 1749°F26°F69°F 20061°F 200025%2%
Dec 1849°F26°F61°F 20027°F 201625%2%
Dec 1949°F26°F65°F 19973°F 200025%2%
Dec 2049°F26°F65°F 20133°F 200025%2%
Dec 2148°F25°F69°F 20154°F 200025%2%
Dec 2248°F25°F67°F 1996-7°F 202225%2%
Dec 2348°F25°F73°F 2025-7°F 202224%2%
Dec 2448°F25°F75°F 20255°F 200424%2%
Dec 2548°F25°F74°F 20218°F 200424%2%
Dec 2648°F25°F77°F 20257°F 200224%2%
Dec 2747°F24°F71°F 20258°F 201724%2%
Dec 2847°F24°F78°F 20258°F 201724%2%
Dec 2947°F24°F68°F 202212°F 200024%2%
Dec 3047°F24°F66°F 19998°F 200024%2%
Dec 3147°F24°F72°F 20212°F 200024%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Thayer, 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 7:00 AM, sunset 4:51 PM
December 31
sunrise 7:18 AM, sunset 5:01 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00034572 (Mammoth Spring), public domain. Records: NOAA GHCN-Daily, station USW00053901, 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.