Willacy County climate

Willacy County Weather in August

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

Average highs run from 92°F on August 1 to 91°F on August 31, and lows from 78°F to 76°F. Normal precipitation for the month is 1.15 in over about 3 wet days.

August 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.60708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
92°F
Average low
78°F
Precipitation
1.15 in
Record high
106°FAug 28, 2011
Record low
68°FAug 13, 2004
Chance of a freeze
0%
Days of 90°F or more
22.0
Daylight
13 h 21 min to 12 h 41 min
Cloud cover
38%
Humidity
73%
Dew point
75°F
Wind
10.1 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
Aug 192°F78°F103°F 201270°F 20108%0%
Aug 292°F78°F103°F 202573°F 20058%0%
Aug 392°F78°F102°F 202370°F 20188%0%
Aug 492°F78°F102°F 202371°F 19998%0%
Aug 592°F78°F102°F 202372°F 19998%0%
Aug 692°F78°F102°F 202372°F 20098%0%
Aug 792°F78°F103°F 200373°F 19589%0%
Aug 892°F78°F104°F 200373°F 19609%0%
Aug 992°F78°F102°F 200373°F 19609%0%
Aug 1092°F78°F102°F 202672°F 20129%0%
Aug 1192°F78°F103°F 201672°F 196010%0%
Aug 1292°F78°F104°F 201971°F 196010%0%
Aug 1392°F78°F105°F 201968°F 200410%0%
Aug 1492°F78°F102°F 199870°F 200411%0%
Aug 1592°F78°F102°F 200168°F 199911%0%
Aug 1692°F78°F102°F 201169°F 200411%0%
Aug 1792°F78°F103°F 202371°F 200412%0%
Aug 1892°F78°F103°F 202671°F 199912%0%
Aug 1992°F77°F102°F 201170°F 195513%0%
Aug 2092°F77°F102°F 202671°F 201513%0%
Aug 2192°F77°F104°F 202669°F 201214%0%
Aug 2292°F77°F105°F 202671°F 201215%0%
Aug 2392°F77°F103°F 202670°F 196115%0%
Aug 2492°F77°F103°F 202671°F 195616%0%
Aug 2592°F77°F103°F 202671°F 200816%0%
Aug 2691°F77°F102°F 201970°F 196117%0%
Aug 2791°F77°F103°F 202669°F 200918%0%
Aug 2891°F76°F106°F 201169°F 195819%0%
Aug 2991°F76°F104°F 201268°F 201519%0%
Aug 3091°F76°F105°F 200571°F 195220%0%
Aug 3191°F76°F103°F 200571°F 199721%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 (CDT).

August 1
sunrise 6:56 AM, sunset 8:17 PM
August 31
sunrise 7:10 AM, sunset 7:51 PM

Every day of August: 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.