Grand Prairie, Texas, United States climate

Average temperatures, precipitation and all-time records for Grand Prairie, Texas, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 98°F, and its coldest is January, with an average low of 34°F.

Grand Prairie is a city in the U.S. state of Texas, located in Dallas, Tarrant, and Ellis counties with a small part extending into Johnson county. It is part of the Mid-Cities region in the Dallas–Fort Worth metroplex. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Grand Prairie, Texas, United States's own ±7-day seasonal distribution.

High 107°F Very High · 96th pct

Low 80°F Very High · 92nd pct

Feels-like 113°F Low · 24th pct

Humidity 16.5 g/m³ Below Normal · 29th pct

Wind 10 mph Low · 20th pct

Precip 0.00 in Dry

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Grand Prairie average temperatures by month

Typical daily high and low, and average precipitation, for each month in Grand Prairie, Texas, United States, based on 1981–2026 records. The wettest month is January (0.10 in on an average day).

Month	Avg high	Avg low	Avg precip
January	55°F	34°F	0.10 in
February	61°F	38°F	0.10 in
March	69°F	46°F	0.10 in
April	77°F	53°F	0.10 in
May	84°F	63°F	0.10 in
June	91°F	71°F	0.10 in
July	97°F	75°F	0.10 in
August	98°F	76°F	0.10 in
September	91°F	69°F	0.10 in
October	81°F	57°F	0.10 in
November	68°F	46°F	0.10 in
December	58°F	37°F	0.10 in

Jan 23°–70°

Feb 27°–75°

Mar 34°–80°

Apr 42°–85°

May 54°–93°

Jun 66°–100°

Jul 71°–105°

Aug 70°–106°

Sep 60°–99°

Oct 47°–91°

Nov 34°–80°

Dec 25°–71°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 114°F on 2018-07-21
Coldest day on record: 1°F on 1989-12-23

All Grand Prairie weather records →

Percentiles compare each day to Grand Prairie, Texas, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →