Jeff Davis County climate

Jeff Davis County Weather in December

NOAA 1991-2020 normals for Mt Locke, 11.2 km from Jeff Davis County

Average highs run from 59°F on December 1 to 54°F on December 31, and lows from 36°F to 32°F. Normal precipitation for the month is 0.58 in over about 3 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 Jeff Davis County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
56°F
Average low
33°F
Precipitation
0.58 in
Snowfall
2.8 in
Record high
82°FDec 22, 2025
Record low
5°FDec 23, 2022
Chance of a freeze
100%
Daylight
10 h 19 min to 10 h 12 min
Cloud cover
44%
Humidity
52%
Dew point
26°F
Wind
10.5 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 159°F36°F78°F 201227°F 201410%3%
Dec 258°F35°F79°F 202127°F 201410%3%
Dec 358°F35°F78°F 201924°F 202010%3%
Dec 458°F35°F74°F 202225°F 202010%3%
Dec 558°F35°F77°F 202222°F 201110%3%
Dec 657°F35°F77°F 201218°F 201110%4%
Dec 757°F35°F74°F 201218°F 201710%4%
Dec 857°F34°F74°F 201915°F 201710%4%
Dec 957°F34°F77°F 202124°F 201610%4%
Dec 1057°F34°F76°F 201522°F 201210%4%
Dec 1156°F34°F74°F 201526°F 201210%4%
Dec 1256°F34°F77°F 202529°F 201210%4%
Dec 1356°F34°F75°F 202129°F 202010%4%
Dec 1456°F34°F79°F 202123°F 202010%5%
Dec 1556°F33°F77°F 201928°F 201310%5%
Dec 1656°F33°F77°F 201625°F 201510%5%
Dec 1755°F33°F74°F 201625°F 201910%5%
Dec 1855°F33°F76°F 202515°F 201610%5%
Dec 1955°F33°F76°F 202520°F 201611%5%
Dec 2055°F33°F77°F 202523°F 201211%5%
Dec 2155°F33°F76°F 202528°F 201111%5%
Dec 2255°F33°F82°F 202511°F 202211%5%
Dec 2355°F32°F80°F 20255°F 202211%5%
Dec 2455°F32°F79°F 202111°F 202211%5%
Dec 2555°F32°F79°F 202521°F 201111%5%
Dec 2654°F32°F79°F 202518°F 201211%5%
Dec 2754°F32°F80°F 202519°F 201511%5%
Dec 2854°F32°F74°F 201623°F 201511%5%
Dec 2954°F32°F75°F 201725°F 201811%5%
Dec 3054°F32°F76°F 201722°F 201311%5%
Dec 3154°F32°F76°F 201117°F 201411%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jeff Davis County, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:36 AM, sunset 5:55 PM
December 31
sunrise 7:54 AM, sunset 6:06 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00416104 (Mt Locke), public domain. Records: NOAA GHCN-Daily, station USC00410176, 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.