Somervell County climate

Somervell County Weather in December

NOAA 1991-2020 normals for Rainbow, 7.8 km from Somervell County

Average highs run from 62°F on December 1 to 57°F on December 31, and lows from 37°F to 31°F. Normal precipitation for the month is 2.23 in over about 6 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 Somervell County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
59°F
Average low
33°F
Precipitation
2.23 in
Record high
92°FDec 4, 2005
Record low
7°FDec 23, 2022
Chance of a freeze
100%
Daylight
10 h 12 min to 10 h 05 min
Cloud cover
54%
Humidity
70%
Dew point
36°F
Wind
10.3 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 162°F37°F80°F 201419°F 200618%0%
Dec 262°F37°F83°F 201219°F 202518%0%
Dec 362°F37°F82°F 201219°F 202518%0%
Dec 461°F36°F92°F 200518°F 200618%0%
Dec 561°F36°F83°F 201718°F 200619%0%
Dec 661°F36°F79°F 201423°F 201319%0%
Dec 761°F35°F75°F 201217°F 201319%0%
Dec 860°F35°F83°F 200714°F 200519%0%
Dec 960°F35°F81°F 20238°F 200519%0%
Dec 1060°F35°F80°F 202011°F 200519%0%
Dec 1160°F34°F85°F 202114°F 201219%0%
Dec 1259°F34°F80°F 201514°F 201219%0%
Dec 1359°F34°F74°F 201518°F 201219%0%
Dec 1459°F34°F74°F 200620°F 201019%0%
Dec 1559°F33°F77°F 202118°F 202519%0%
Dec 1659°F33°F82°F 201021°F 202519%0%
Dec 1758°F33°F81°F 202419°F 202019%0%
Dec 1858°F33°F79°F 202414°F 201619%0%
Dec 1958°F32°F79°F 201213°F 201619%0%
Dec 2058°F32°F80°F 201213°F 201619%0%
Dec 2158°F32°F85°F 202517°F 201219%0%
Dec 2258°F32°F87°F 201018°F 201219%0%
Dec 2357°F32°F76°F 20157°F 202219%0%
Dec 2457°F32°F83°F 20257°F 202219%0%
Dec 2557°F31°F85°F 202112°F 202219%0%
Dec 2657°F31°F83°F 202115°F 200919%0%
Dec 2757°F31°F89°F 202515°F 202219%0%
Dec 2857°F31°F82°F 202515°F 202219%0%
Dec 2957°F31°F83°F 201620°F 201219%0%
Dec 3057°F31°F76°F 202118°F 202519%0%
Dec 3157°F31°F81°F 202419°F 201319%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Somervell County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:14 AM, sunset 5:26 PM
December 31
sunrise 7:32 AM, sunset 5:37 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417388 (Rainbow), public domain. Records: NOAA GHCN-Daily, station USC00413675, 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.