Harlingen climate

Harlingen Weather in July

NASA POWER reanalysis for the half-degree grid cell around Harlingen, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 19°C on July 1 to 21°C on July 31, and lows from 14°C to 15°C. Normal precipitation for the month is 74 mm over about 16 wet days.

July day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Harlingen, in °C, with the record for each date.101520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
20°C
Average low
15°C
Precipitation
74 mm
Reanalysis high
32°CJul 25, 2019
Reanalysis low
10°CJul 2, 1995
Daylight
16 h 52 min to 15 h 41 min
Cloud cover
72%
Humidity
81%
Dew point
14°C
Wind
18.4 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jul 119°C14°C27°C 201511°C 200045%
Jul 219°C14°C28°C 201510°C 199546%
Jul 319°C14°C26°C 200911°C 199647%
Jul 420°C14°C28°C 200611°C 199549%
Jul 520°C14°C27°C 200611°C 199549%
Jul 620°C14°C25°C 200111°C 199649%
Jul 720°C14°C26°C 199111°C 199650%
Jul 820°C14°C23°C 201011°C 199650%
Jul 920°C14°C28°C 201011°C 199650%
Jul 1020°C14°C27°C 201011°C 199351%
Jul 1120°C14°C26°C 199111°C 202050%
Jul 1220°C14°C26°C 199411°C 200050%
Jul 1320°C14°C27°C 199410°C 199349%
Jul 1420°C14°C25°C 201012°C 201648%
Jul 1520°C14°C24°C 200312°C 201248%
Jul 1620°C15°C26°C 200312°C 200147%
Jul 1720°C15°C26°C 200611°C 199646%
Jul 1820°C15°C27°C 201412°C 199646%
Jul 1920°C15°C28°C 201411°C 199646%
Jul 2021°C15°C28°C 201612°C 199646%
Jul 2121°C15°C25°C 201312°C 201247%
Jul 2221°C15°C28°C 201312°C 200046%
Jul 2321°C15°C28°C 201312°C 200046%
Jul 2421°C15°C30°C 201913°C 200546%
Jul 2521°C15°C32°C 201911°C 199345%
Jul 2621°C15°C30°C 201812°C 201545%
Jul 2721°C15°C29°C 201812°C 200545%
Jul 2821°C15°C27°C 200212°C 199645%
Jul 2921°C15°C27°C 200212°C 199246%
Jul 3021°C15°C27°C 200212°C 201546%
Jul 3121°C15°C27°C 199512°C 201546%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Harlingen, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

July 1
sunrise 5:16 AM, sunset 10:08 PM
July 31
sunrise 5:54 AM, sunset 9:35 PM

Every day of July: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.