Willacy County climate

Willacy County Weather in January

NOAA 1991-2020 normals for Port Mansfield, 18.8 km from Willacy County

Average highs run from 68°F on January 1 to 69°F on January 31, and lows from 50°F to 52°F. Normal precipitation for the month is 1.13 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 Willacy County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
68°F
Average low
50°F
Precipitation
1.13 in
Record high
94°FJan 24, 2002
Record low
17°FJan 12, 1962
Chance of a freeze
30%
Daylight
10 h 31 min to 10 h 56 min
Cloud cover
67%
Humidity
76%
Dew point
54°F
Wind
12.1 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 168°F50°F92°F 202234°F 201821%0%
Jan 268°F50°F89°F 201731°F 201821%0%
Jan 368°F50°F90°F 202626°F 200221%0%
Jan 468°F50°F90°F 199730°F 201821%0%
Jan 568°F50°F85°F 202531°F 195921%0%
Jan 668°F50°F85°F 202235°F 195921%0%
Jan 768°F50°F85°F 200829°F 201721%0%
Jan 867°F50°F88°F 200831°F 201721%0%
Jan 967°F50°F85°F 200525°F 201021%0%
Jan 1067°F50°F84°F 200524°F 196221%0%
Jan 1167°F50°F86°F 200024°F 196221%0%
Jan 1267°F50°F85°F 201717°F 196221%0%
Jan 1367°F50°F87°F 200030°F 199721%0%
Jan 1467°F50°F88°F 196031°F 199720%0%
Jan 1567°F50°F86°F 195530°F 202420%0%
Jan 1667°F50°F89°F 202326°F 202420%0%
Jan 1767°F50°F86°F 201225°F 202420%0%
Jan 1867°F50°F88°F 202335°F 201820%0%
Jan 1968°F50°F87°F 200936°F 202620%0%
Jan 2068°F50°F85°F 195330°F 200120%0%
Jan 2168°F50°F92°F 201726°F 202520%0%
Jan 2268°F51°F86°F 195724°F 202520%0%
Jan 2368°F51°F87°F 200236°F 201620%0%
Jan 2468°F51°F94°F 200234°F 201419%0%
Jan 2568°F51°F90°F 202130°F 202619%0%
Jan 2668°F51°F86°F 202126°F 202619%0%
Jan 2768°F51°F84°F 200929°F 202619%0%
Jan 2868°F51°F86°F 200232°F 196119%0%
Jan 2968°F52°F87°F 200633°F 201419%0%
Jan 3069°F52°F88°F 200634°F 196119%0%
Jan 3169°F52°F91°F 201635°F 202619%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Willacy County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

January 1
sunrise 7:19 AM, sunset 5:50 PM
January 31
sunrise 7:16 AM, sunset 6:12 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417184 (Port Mansfield), public domain. Records: NOAA GHCN-Daily, station USW00012904, 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.