Grand Prairie, TX Weather by Month and Climate Averages

Grand Prairie, TX gets 41.1 in of precipitation a year over about 74 rainy days. July is the warmest month (average high 96°F) and January the coldest (average low 33°F).

Grand Prairie climate at a glance

Humid subtropical climate

Grand Prairie, TX has hot summers and mild winters. Daytime highs range from about 58°F in January to 96°F in August. October is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically February to April and November, when daytime highs sit near 69°F.

How much rain does Grand Prairie get?

Grand Prairie gets 41.1 in of precipitation in an average year, spread over about 74 days with measurable rain. That is fewer rainy days than 64% of the US.

October is the wettest month, with 5.0 in. July is the driest, with 2.3 in. May has the most rainy days, about 8.

The longest dry spell in the last five years lasted 47 days, to August 26, 2023.

See where Grand Prairie ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Texas.

Does it snow in Grand Prairie?

The snowiest winter on record is 1977–78, with 17.6 in.

The most recent measurable snow at the station fell on January 25, 2026.

See where Grand Prairie ranks: snowiest cities in the US.

Grand Prairie weather by month

Grand Prairie weather in January

In January, Grand Prairie averages a high of 58°F and a low of 33°F. It gets 2.7 in of precipitation over about 7 rainy days. The sun is out about 53% of daylight hours. The January record high is 86°F (2006) and the record low is 7°F (1992).

Grand Prairie weather in February

In February, Grand Prairie averages a high of 63°F and a low of 37°F. It gets 3.0 in of precipitation over about 7 rainy days. The sun is out about 47% of daylight hours. The February record high is 96°F (1996) and the record low is 5°F (2007). February is one of the most comfortable months to visit.

Grand Prairie weather in March

In March, Grand Prairie averages a high of 70°F and a low of 44°F. It gets 3.8 in of precipitation over about 7 rainy days. The sun is out about 45% of daylight hours. The March record high is 92°F (2006) and the record low is 0°F (2004). March is one of the most comfortable months to visit.

Grand Prairie weather in April

In April, Grand Prairie averages a high of 77°F and a low of 51°F. It gets 3.7 in of precipitation over about 6 rainy days. The sun is out about 44% of daylight hours. The April record high is 100°F (2006) and the record low is 25°F (2003). April is one of the most comfortable months to visit.

Grand Prairie weather in May

In May, Grand Prairie averages a high of 84°F and a low of 61°F. It gets 4.7 in of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The May record high is 101°F (2011) and the record low is 38°F (2011).

Grand Prairie weather in June

In June, Grand Prairie averages a high of 92°F and a low of 68°F. It gets 4.2 in of precipitation over about 7 rainy days. The sun is out about 55% of daylight hours. The June record high is 105°F (1993) and the record low is 45°F (2019).

Grand Prairie weather in July

In July, Grand Prairie averages a high of 96°F and a low of 72°F. It gets 2.3 in of precipitation over about 5 rainy days. The sun is out about 60% of daylight hours. The July record high is 110°F (1998) and the record low is 57°F (2008).

Grand Prairie weather in August

In August, Grand Prairie averages a high of 96°F and a low of 72°F. It gets 2.4 in of precipitation over about 5 rainy days. The sun is out about 64% of daylight hours. The August record high is 110°F (1998) and the record low is 47°F (1992).

Grand Prairie weather in September

In September, Grand Prairie averages a high of 90°F and a low of 65°F. It gets 3.1 in of precipitation over about 5 rainy days. The sun is out about 66% of daylight hours. The September record high is 112°F (2000) and the record low is 39°F (1995).

Grand Prairie weather in October

In October, Grand Prairie averages a high of 79°F and a low of 53°F. It gets 5.0 in of precipitation over about 6 rainy days. The sun is out about 68% of daylight hours. The October record high is 97°F (1997) and the record low is 21°F (1993).

Grand Prairie weather in November

In November, Grand Prairie averages a high of 67°F and a low of 43°F. It gets 3.2 in of precipitation over about 5 rainy days. The sun is out about 57% of daylight hours. The November record high is 88°F (2012) and the record low is 16°F (1992). November is one of the most comfortable months to visit.

Grand Prairie weather in December

In December, Grand Prairie averages a high of 60°F and a low of 35°F. It gets 3.0 in of precipitation over about 6 rainy days. The sun is out about 53% of daylight hours. The December record high is 85°F (2010) and the record low is 4°F (2005).

Sunshine, humidity and wind in Grand Prairie

October is the sunniest month in Grand Prairie, with sunshine about 68% of daylight hours. May is the cloudiest, at 39%. Over the year the sun shines about 54% of daylight hours. Grand Prairie is sunnier than 72% of the US.

Humidity peaks in May at 68% and is lowest in August at 53%.

Grand Prairie has about 74 days a year above 90°F. Grand Prairie is hotter than 82% of the US.

See where Grand Prairie ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Grand Prairie

The first fall freeze in Grand Prairie typically comes around November 10, and the last spring freeze around March 20. That leaves a frost-free growing season of about 235 days.

Grand Prairie weather records

The hottest temperature on record at the Grand Prairie station is 112°F, on September 5, 2000. The coldest is 0°F, on March 1, 2004.

The wettest day on record brought 12.1 in of rain, on July 29, 2004.

29 all-time records have been set at the station since 1984.

The best time to visit Grand Prairie

The most comfortable time to visit is typically February to April and November, when daytime highs sit near 69°F.

Winter (December–February) is mild, with average highs around 60°F and lows near 35°F. Snow is possible.

Spring (March–May) is warm, with average highs around 77°F and lows near 52°F.

Summer (June–August) is hot, with average highs around 95°F and lows near 71°F.

Autumn (September–November) is warm, with average highs around 79°F and lows near 54°F.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January2.7 in760%53%86°
February3.0 in760%47%96°
March3.8 in760%45%92°
April3.7 in661%44%100°25°
May4.7 in868%39%101°38°
June4.2 in763%55%105°45°
July2.3 in557%60%110°57°
August2.4 in553%64%110°47°
September3.1 in558%66%112°39°
October5.0 in654%68%97°21°
November3.2 in564%57%88°16°
December3.0 in663%53%85°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Grand Prairie climate questions

How much rain does Grand Prairie get?

Grand Prairie gets 41.1 in of precipitation in an average year, over about 74 rainy days.

What is the wettest month in Grand Prairie?

October is the wettest month in Grand Prairie, with 5.0 in. July is the driest, with 2.3 in.

How many rainy days does Grand Prairie have a year?

Grand Prairie has about 74 days with measurable rain in an average year. May has the most, about 8.

What is the hottest month in Grand Prairie?

July is the warmest month in Grand Prairie, with an average high of 96°F.

What is the coldest month in Grand Prairie?

January is the coldest month in Grand Prairie, with an average low of 33°F.

What is the record high temperature in Grand Prairie?

The record high at the Grand Prairie station is 112°F, set on September 5, 2000. The record low is 0°F, on March 1, 2004.

What is the sunniest month in Grand Prairie?

October is the sunniest month in Grand Prairie, with sunshine about 68% of daylight hours. May is the cloudiest.

When is the first frost in Grand Prairie?

The first fall freeze in Grand Prairie typically comes around November 10. The last spring freeze is around March 20.

What is the best time to visit Grand Prairie?

The most comfortable time to visit is typically February to April and November, when daytime highs sit near 69°F.

Source: NOAA GHCN-Daily station JOE POOL LAKE (12 km away).

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Normals from NOAA GHCN-Daily station JOE POOL LAKE.