What's the Weather like in Dallas, Texas? Year-Round

How’s the weather in Dallas?

Dallas weather is very hot during the summer, cold or mild with occasional freezes in the winter, and warm or mild during the spring and fall.

Dallas summers are long and brutally hot, with temperatures regular passing 100°F between June and August. These hot temps can be worsened by a thick blanket of humidity that sits over North Texas.
Winters are mild compared to most of the United States, but can be unpredictable, with weather quickly alternating between beautiful 60°F days and dangerous ice storms within the span of just a few days.
Spring in Dallas brings rain, wildflowers, hail, and tornados.
In the fall, Dallas weather has warm days, with increasingly cool nights as winter approaches.

Dallas weather by season

Let’s break down Dallas weather by season. We’ll examine typical temperatures, rainfall, extreme weather, and more.

What is Dallas weather like in the summer?

Summer officially starts in mid-June at the summer solstice, but hot weather arrives in Dallas well before then.

Dallas summer weather is incredibly hot, and lasts about 5 months from May to September. The normal high temperature in Dallas during May sits in the mid-80s, then climbs to mid-and-upper-90s in June, July, and August, before dropping back into the upper-80s in September.

The record high summer temperature in Dallas is 113°F in June of 1980.

Rainfall peaks in May with an average of 4.78 inches, then declines through June, July, and August, before increasing a tad through September into October. There are usually between 5 to 8 days per month with thunderstorms during the summer in Dallas.

Tornado season in Dallas follows the pattern of the whole state, lasting from about April to June. Historically, tornadoes hit Dallas County more often in the month of May.

How is Dallas weather in the winter?

Winter weather in Dallas is generally mild, but temperatures vary widely. Cold fronts can bring brief but occasionally dangerous bouts of freezing temperatures and frozen precipitation.

The normal high temperature in Dallas during December and January lands in the mid-to-high 50s, and increases to the low 60s in February. The record low temperature in Dallas is -8°F in February of 1899.

There is less precipitation in the winter compared to the spring and fall, but there are more cloudy days and less sunshine overall.

What is Dallas weather like in the spring?

The spring in Dallas is a beautiful time of year marked by normal high temperatures ranging from the upper-60s to the low-80s, increasing from March to May.

Historically, there are lots of thunderstorms in Dallas during the spring, with an average of 5.8 days in April and 7.7 in May.

Spring also comes with increased chances for tornadoes and hail storms.

How is Dallas weather in the fall?

In the fall, Dallas weather starts very warm with normal high temperatures in the upper-80s in September, then steadily decreases to the mid-60s by November.

Historically, there are fewer thunderstorms in the fall, yet precipitation does increase compared to the summer with up to 4-5 inches in October.

Fall in Dallas is a beautiful time of year to enjoy the sun without baking in the summer heat.

When is the best time to visit Dallas?

The best time to visit Dallas, Texas is during the spring (from March to May) or the fall (from September to November). These seasons bring milder weather that is better-suited for outdoor activities.

Additionally, there are more festivals to attend, like the State Fair of Texas in October or Breakaway Music Festival in April.

You can also visit the Dallas Arboretum and Botanical Garden on White Rock Lake to enjoy the stunning flowers and sculptures.

Severe weather in Dallas

Dallas can experience extreme or severe weather year-round.

In the winter, cold fronts can bring life-threatening cold with frozen precipitation that can take out the electricity grid.
In the spring, violent atmospheric conditions bring thunderstorms, hailstorms, and tornadoes.
Over the summer, temperatures can swing above 100°F for several days straight, making it unsafe to go outside without proper clothing or hydration.
The fall is generally known for milder weather, but can still bring late-season extreme heat and storms with flash floods.

Dallas weather broken down by month

Let’s break down the weather by month in Dallas, looking at normal high temperature, normal low temperature, precipitation in inches, and days with thunderstorms.

	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
Normal High Temp	56.5	60.9	68.6	76.1	83.6	91.5	95.6	95.8	88.6	78.4	66.6	57.9
Normal Low Temp	36.1	40.1	47.8	55.2	64.5	72.2	75.8	75.7	68.5	57.1	46.2	38.3
Precipitation (inches)	2.53	2.76	3.30	3.22	4.78	3.70	2.08	2.18	2.72	4.37	2.53	2.84
Thunderstorm Days	1.3	2.1	4.1	5.8	7.7	6.3	4.7	4.7	3.3	3.3	1.9	1.3

How Dallas weather impacts daily life

The weather in Dallas impacts life on a daily basis by driving changes in energy bills, adjusting available outdoor activities, impacting driving conditions, and more.

Energy bills

Energy bills swing dramatically with the seasons. Air conditioning can account for over half of a home’s electricity use during peak summer, and a July bill often runs two to three times what the same household pays in spring. Most Dallas homes use electric heat pumps, so hard freezes hit the meter too. The comfortable months where neither the AC nor heater runs — roughly April through May and October — are short.

Looking for an affordable Dallas electricity provider? Consider BKV Energy. Our Bluebonnet plan is simple and affodable with no hidden fees or gimmicks.

Outdoor activities

Outdoor routines revolve around the calendar. From mid-June through September, running clubs start at 5:30 a.m., patio dining shifts to after sunset, and weekend plans default to pools or air-conditioned spaces. When spring and fall arrive with 75-degree days, the city treats them with urgency — parks, trails, and patios fill up fast because everyone knows the window won’t last.

Road conditions

The roads get dicey more often than you’d expect. Summer storms flood underpasses within minutes, and even a light ice event can shut the city down — Dallas doesn’t have the salt trucks or snow infrastructure that northern cities rely on. Hail is a bigger deal than snow, with spring storms routinely causing significant vehicle and roofing damage across the metro.

How else does Dallas weather impact Texans?

Even homeownership is weather-driven. The clay soil expands and contracts with heat and drought, making foundation issues one of the most common and expensive repairs in the region. HVAC systems wear out faster, roofs take a beating from hail and UV, and water restrictions during dry summers have pushed many homeowners toward drought-tolerant landscaping.

It all adds up to a city that’s built around its climate — heavy on indoor options, car-centric by necessity, and deeply appreciative of the handful of months when the weather actually cooperates.

Written by Graham Lumley

Graham Lumley is the Growth Product Manager at BKV Energy, a retail electricity provider in Texas' deregulated market, where he has worked since 2023. He analyzes customer usage and billing data, helps develop BKV's fixed-rate plans, and creates tools to simplify Texas electricity shopping. He has written over 200 articles on Texas electricity rates, delivery charges, plan types, energy generation, and more to help Texans understand their bills and pay less. With over 10 years of experience in consumer products, marketing, and energy, he explains the Texas electricity market in plain language.