Climate and monthly weather forecast
Grand Prairie, TX

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The climate of Grand Prairie

Grand Prairie, located in Texas, USA, is classified as Cfa according to the Köppen climate classification. This denotes a humid subtropical climate with no definitive dry season. An examination of the monthly climatic records provides valuable information about the distinct weather conditions that prevail throughout the year.

Fluctuations in the average high temperature from 54.9°F (12.7°C) in January to a maximum of 96.3°F (35.7°C) in August reveal the varying degrees of warmth. The lowest recorded temperature tends to drop to 39.2°F (4°C) in the coldest month while it could increase up to 77.4°F (25.2°C) during peak summer. Observing the humidity index, the relative humidity ranges between 54% to 71%.

Significant variation exists in rainfall patterns as well. January receives a comparatively minimal average rainfall of 0.35" (9mm). Increased precipitation occurs from May, peaking in June at an average of 1.26" (32mm) before declining again. Snowfall is a rare occurrence, with only January and February showing trace amounts.

Wind speeds show minor differences throughout the year, oscillating from 7mph (11.3km/h) in August to 10.1mph (16.3km/h) in April. Overall, the climate data illustrates that Grand Prairie experiences a blend of humid subtropical conditions characterized by hot summers and cool winters with varying levels of precipitation.

The best time to visit Grand Prairie

Given the various weather factors, comfortable travel to Grand Prairie can be planned during the period from October to April. This stretch of the year offers reasonable temperatures ranging between a 54.9°F (12.7°C) to 75°F (23.9°C). Rainfall levels are relatively low with less than 0.71" (18mm) per month, ensuring fewer interruptions to outdoor activities.

The worst time to visit Grand Prairie

The months from May to September could be considered less ideal for visiting, if one wishes to avoid high heat. During this time, daytime temperatures shoot up, crossing 82.2°F (27.9°C) and even reaching up to 96.3°F (35.7°C) in August. The rainfall is highest in June with a record of 1.26" (32mm) further dampening the prospect of outdoor activities.

Spring weather in Grand Prairie

Spring in Grand Prairie, spanning from March to May, witnesses an upward shift in temperatures, rising from an average high of 67.5°F (19.7°C) in March to 82.2°F (27.9°C) by May. Correspondingly, the average low temperature increases from 50.7°F (10.4°C) to 64.8°F (18.2°C). The spring season also experiences an increased level of rainfall with May recording the highest average rainfall of 1.26" (32mm).

Summer weather in Grand Prairie

Summer months from June to August in Grand Prairie are typically hot with temperatures soaring. The highest average temperature peaks at 96.3°F (35.7°C) in August. Even nighttime temperatures remain high, with the average low lingering around 77.4°F (25.2°C) in August. Despite the heat, summer showers are not uncommon, with rainfall averaging between 0.63" (16mm) to 0.98" (25mm).

Autumn weather in Grand Prairie

The autumn months of September to November in Grand Prairie herald a welcome decrease in temperature. September experiences an average high temperature of 88°F (31.1°C), which cools down to 64.8°F (18.2°C) by November. However, the season also sees diverse rainfall patterns, with September recording a moderate 0.59" (15mm) that climbs up to 0.98" (25mm) in October before tapering down to 0.39" (10mm) in November.

Winter weather in Grand Prairie

Winters in Grand Prairie, from December to February, register cooler temperatures ranging from an average high of 55.9°F (13.3°C) in December to 58.5°F (14.7°C) in February. The nights are colder with average lows dipping to 39.2°F (4°C) and gradually rising to 42.4°F (5.8°C) by February. Rainfall is lowest in winter with only 0.35" (9mm) in December, and snowfall is barely perceptible, amounting to just 0.16" (4mm) in February.

Weather in January

January in Grand Prairie, Texas, features relatively mild winter conditions, distinguishing it from storm-stricken northern states. The limited daylight hours of 10.3 can give the air a chilly nip, particularly when the wind speed averages 9mph (14.5km/h). Weather in January »

Weather in February

With the arrival of February, Grand Prairie transitions from crisp winter to early springs, featuring warmer temperatures. Gentle shifts in weather elements yield a similar ambiance to January, though with increased daylight hours and hints of incoming spring. Weather in February »

Weather in March

Grand Prairie in March experiences a conspicuous transition to spring with warmer days and splendid floral bloom. The wind tempo picks up, swirling around at an average 9.9mph (15.9km/h), ushering in a new season of growth and renewal. Weather in March »

Weather in April

As the calendar rolls onto April, Grand Prairie lounges in the full vibrancy of spring. Long, sunlit days invite locals outdoors to enjoy the increased sunshine and the city's verdant landscapes. Natural beauty is on full display, sharpened by clear visibility that stretches up to six miles. Weather in April »

Weather in May

Riding on the tail of spring, May in Grand Prairie is a month of ever-increasing brightness, warmth, and humidity. The city basks in longer daylight hours, spurred by the sun's tenacious shine over approximately 19 days. Despite a noticeable increase in cloud cover, visibility remains optimal, enhancing the city's glowing beauty. Weather in May »

Weather in June

Grand Prairie in June espouses the full swing of summer, with the longest days and highest UV index of the year. Open skies, mild breezes, and plenty of sunshine characterize this month, creating ideal conditions for spending quality time outdoors. Weather in June »

Weather in July

July is the apex month of summer in Grand Prairie, marked by abundant sunshine, scorching temperatures, and the longest daylight span. The city sees minimal cloud cover, maintaining its tendency towards clear skies, echoed in the excellent visibility of six miles. Weather in July »

Weather in August

In Grand Prairie, the swelter of August injects the city with a last stretch of intense summer heat. Long, sunny days dominate the city's climate, uninterrupted by rare rainfall and breeze. However, the omnipresent summer wind slows down to a gentle 7mph (11.3km/h), allowing for a respite from the otherwise oppressive heat. Weather in August »

Weather in September

September in Grand Prairie signifies the onset of fall, with gradually diminishing daylight hours and decreasing temperatures. Summers' fading echo can still be heard as the days maintain their warmth. An equivocal blend of sunny and overcast skies characterizes this month as the city bids adieu to summer heat. Weather in September »

Weather in October

Grand Prairie experiences the quintessential fall weather in October, marked by cooler days, crisp air, and picturesque foliage. The vibrant hues of nature coupled with the soothing chill in the air provide for delightful strolls in the park. Weather in October »

Weather in November

November marks the arrival of late fall in Grand Prairie, with shorter days, chilly nights, and an overall dip in temperatures. The ecosystem displays a quiet symphony of fall, preparing for the inevitable arrival of winter. Despite the diminishing daylight, the city revels under the glow of the sun for approximately 23.5 days this month. Weather in November »

Weather in December

Grand Prairie in December embraces the winter season, signaled by declining temperatures, shorter days, and sporadic rainfall. The atmosphere maintains a characteristic winter chill, accompanied by breezes humming at an average speed of 8.5mph (13.7km/h). Weather in December »
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Grand Prairie, January is the coldest month, with temperatures averaging a high of 54.9°F (12.7°C) and a low of 39.2°F (4°C).

How much does it rain?

Throughout the year, there are 91.2 rainfall days, and 8.11" (206mm) of precipitation is accumulated.

When it does not snow?

January, March through December are months without snowfall.

How many days does it snow in Grand Prairie?

Throughout the year, there are 1.6 snowfall days, and 0.16" (4mm) of snow is accumulated.

When is the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the driest month?

February is the month with the least rainfall. Rain falls for 4.9 days and accumulates 0.31" (8mm) of precipitation.

When does it snow?

The only month with snowfall is February.

What is the snowiest month in Grand Prairie?

February is the month with the most snowfall. Snow falls for 1.2 days and accumulates 0.16" (4mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month?

With an average relative humidity of 71%, May is the most humid month.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 9.3 days and accumulates 1.26" (32mm) of precipitation.

What are the months with the highest UV index in Grand Prairie?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Grand Prairie.

When are the longest days?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11h of sunshine.

What is the warmest month?

August is the warmest month of the year, registering average temperatures as high as 96.3°F (35.7°C) and as low as 77.4°F (25.2°C).

What is the least humid month?

With an average relative humidity of 54%, August is the least humid month.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Grand Prairie?

With an average of 5.6h of sunshine, December has the least sunshine of the year.

Average temperature
Grand Prairie, TX

Average temperature - Grand Prairie, TX

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.9°F).

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

Average pressure
Grand Prairie, TX

Average pressure - Grand Prairie, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Grand Prairie, TX

Average wind speed - Grand Prairie, TX

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

Average humidity
Grand Prairie, TX

Average humidity - Grand Prairie, TX

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

Average rainfall
Grand Prairie, TX

Average rainfall - Grand Prairie, TX

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days
Grand Prairie, TX

Average rainfall days - Grand Prairie, TX

The month with the highest number of rainy days is September (10.8 days).
The month with the least rainy days is January (4 days).

Average snowfall
Grand Prairie, TX

Average snowfall - Grand Prairie, TX

The month with the highest snowfall is February (0.16").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Grand Prairie, TX

Average snowfall days - Grand Prairie, TX

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Grand Prairie, TX

Average daylight / Average sunshine - Grand Prairie, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Grand Prairie, TX

Average sunshine days - Grand Prairie, TX

The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is September (16.5 days).

Average UV index
Grand Prairie, TX

Average UV index - Grand Prairie, TX

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average visibility
Grand Prairie, TX

Average visibility - Grand Prairie, TX

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Grand Prairie, Texas, USA

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