Starr County climate

Starr County Weather in January

NOAA 1991-2020 normals for Rio Grande City, 21.9 km from Starr County

Average highs run from 70°F on January 1 to 73°F on January 31, and lows from 45°F to 47°F. Normal precipitation for the month is 0.78 in over about 6 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Starr County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
71°F
Average low
45°F
Precipitation
0.78 in
Record high
94°FJan 21, 2017
Record low
21°FJan 9, 2010
Chance of a freeze
65%
Days of 90°F or more
0.6
Daylight
10 h 31 min to 10 h 57 min
Cloud cover
59%
Humidity
68%
Dew point
47°F
Wind
9.6 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
Jan 170°F45°F91°F 202232°F 202120%0%
Jan 270°F45°F90°F 202632°F 202120%0%
Jan 370°F45°F93°F 202628°F 200820%0%
Jan 470°F45°F85°F 200928°F 201820%0%
Jan 570°F45°F91°F 202532°F 202120%0%
Jan 670°F45°F87°F 202632°F 202120%0%
Jan 770°F45°F87°F 200827°F 201720%0%
Jan 870°F45°F90°F 202426°F 201719%0%
Jan 970°F45°F87°F 202621°F 201019%0%
Jan 1070°F45°F85°F 201727°F 201019%0%
Jan 1170°F45°F86°F 202332°F 202119%0%
Jan 1270°F45°F86°F 201737°F 201219%0%
Jan 1370°F45°F84°F 201731°F 201219%0%
Jan 1470°F45°F88°F 202031°F 200919%0%
Jan 1570°F45°F85°F 202029°F 202419%0%
Jan 1670°F45°F91°F 202327°F 202419%0%
Jan 1770°F45°F88°F 201222°F 202419%0%
Jan 1871°F45°F88°F 202333°F 201819%0%
Jan 1971°F45°F88°F 200931°F 202619%0%
Jan 2071°F45°F87°F 201231°F 200818%0%
Jan 2171°F45°F94°F 201727°F 202518%0%
Jan 2271°F46°F85°F 201023°F 202518%0%
Jan 2371°F46°F82°F 200932°F 201618%0%
Jan 2472°F46°F88°F 201732°F 201918%0%
Jan 2572°F46°F85°F 201330°F 202618%0%
Jan 2672°F46°F86°F 200524°F 202618%0%
Jan 2772°F46°F87°F 200925°F 202618%0%
Jan 2872°F46°F86°F 201333°F 201618%0%
Jan 2973°F47°F94°F 200832°F 201418%0%
Jan 3073°F47°F87°F 200638°F 201818%0%
Jan 3173°F47°F93°F 201633°F 200918%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Starr 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).

January 1
sunrise 7:23 AM, sunset 5:54 PM
January 31
sunrise 7:20 AM, sunset 6:17 PM

Every day of January: 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 USW00012987, 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.