Las Lomas climate

Las Lomas Weather in December

NOAA 1991-2020 normals for Rio Grande City, 3.9 km from Las Lomas

Average highs run from 74°F on December 1 to 70°F on December 31, and lows from 50°F to 45°F. Normal precipitation for the month is 0.80 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 Las Lomas, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
72°F
Average low
47°F
Precipitation
0.80 in
Snowfall
0.1 in
Record high
96°FDec 5, 1977
Record low
18°FDec 23, 1989
Chance of a freeze
56%
Days of 90°F or more
0.7
Daylight
10 h 36 min to 10 h 31 min
Cloud cover
59%
Humidity
69%
Dew point
49°F
Wind
9.4 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 174°F50°F90°F 198237°F 200617%0%
Dec 274°F49°F92°F 200737°F 197617%0%
Dec 374°F49°F91°F 197833°F 197617%0%
Dec 474°F49°F92°F 197737°F 196817%0%
Dec 574°F49°F96°F 197733°F 200917%0%
Dec 674°F48°F91°F 197839°F 200217%0%
Dec 773°F48°F92°F 199635°F 201117%0%
Dec 873°F48°F89°F 200733°F 197618%0%
Dec 973°F48°F91°F 200834°F 197818%0%
Dec 1073°F48°F89°F 198330°F 197818%0%
Dec 1173°F47°F91°F 198735°F 196618%0%
Dec 1272°F47°F89°F 198131°F 196618%0%
Dec 1372°F47°F89°F 202527°F 196618%0%
Dec 1472°F47°F93°F 201930°F 196618%0%
Dec 1572°F47°F91°F 201933°F 196419%0%
Dec 1672°F46°F89°F 197730°F 198919%0%
Dec 1772°F46°F93°F 201633°F 200319%0%
Dec 1872°F46°F89°F 202532°F 196419%0%
Dec 1971°F46°F89°F 201226°F 199619%0%
Dec 2071°F46°F90°F 202531°F 197319%0%
Dec 2171°F46°F88°F 198124°F 197320%0%
Dec 2271°F45°F89°F 198826°F 198920%0%
Dec 2371°F45°F91°F 201518°F 198920%0%
Dec 2471°F45°F91°F 197420°F 198920%0%
Dec 2571°F45°F92°F 196419°F 198320%0%
Dec 2670°F45°F89°F 201530°F 198320%0%
Dec 2770°F45°F94°F 196837°F 198320%0%
Dec 2870°F45°F91°F 202432°F 199720%0%
Dec 2970°F45°F90°F 202431°F 198320%0%
Dec 3070°F45°F94°F 202426°F 198320%0%
Dec 3170°F45°F90°F 198532°F 196320%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Las Lomas, 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 7:06 AM, sunset 5:42 PM
December 31
sunrise 7:23 AM, sunset 5:54 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417622 (Rio Grande City), public domain. Records: NOAA GHCN-Daily, station USW00012959, 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.