Dallas, Texas – Climate and Average Weather: Detailed Year-Round Overview

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Located in the heart of Texas, Dallas boasts a subtropical climate that brings hot summers and mild winters.

The hottest month of the year in Dallas is August, with an average high of 95°F and low of 76°F. This makes it perfect for hot-weather activities and visiting nearby Fort Worth.

During the cooler months, the temperature drops significantly. From November to February, Dallas experiences an average daily high below 64°F.

January is the coldest month, with lows around 39°F and highs near 57°F. Winter months also see occasional snowfall, though it’s rare.

Dallas’s yearly climate is marked by varied weather conditions, from the summer heat ideal for poolside relaxation to the cooler but manageable winters.

For a detailed overview of the yearly weather patterns, visit Climate and Average Weather Year Round in Dallas.

Average Temperature in Dallas, Texas

Dallas experiences a wide range of temperatures throughout the year. The average high temperature can rise significantly in the peak of summer.

August is typically the warmest month with an average high of 95°F and a low of 76°F.

During the cooler months, Dallas sees temperatures drop.

The coldest month of the year is January, with an average low of 39°F and an average high of 57°F.

Monthly Averages

Month Average High (°F) Average Low (°F)
January 57 39
February 61 41
March 71 50
April 77 58
May 84 66
June 92 74
July 95 76
August 96 77
September 89 71
October 79 60
November 67 49
December 58 41

The warm season in Dallas spans from late May to mid-September, with daily high temperatures above 71°F.

The cool season lasts from late November to late February, with daily highs below 64°F.

Hourly averages can also provide insight into the daily temperature fluctuations. Dallas typically has hotter mid-afternoons and cooler nights.

For more detailed data and charts on temperatures, visit Temperature – ChaseDay.com.

Average Precipitation in Dallas, Texas

Dallas experiences varied precipitation throughout the year, primarily in the form of rain, with occasional snowfall.

Average Rainfall in Dallas, Texas

Rainfall in Dallas is unevenly distributed throughout the year. The wettest months are typically May and October, each receiving about 4 inches of rain. These months often bring thunderstorms and heavy downpours.

Summer months like July and August are drier, with rainfall averages around 2 inches. June also sees significant rain, about 2.76 inches on average.

Rainy days are scattered, with more frequent wet days during spring and fall.

The driest months tend to be winter, particularly November and December, which see less than 2 inches of precipitation.

Average Snow in Dallas, Texas

Snowfall in Dallas is quite rare, occurring mainly in the winter months. The city may see snow alone or mixed with rain, but accumulations are typically low.

On average, Dallas gets less than an inch of snow annually, primarily in January and February.

The coldest month, January, records temperatures often down to 39°F, occasionally leading to snow and ice hazards.

Snow-related weather events are infrequent, and significant accumulations are even rarer. Detailed resources on snowy days in the region can offer further insights.

Dallas’s climate seldom supports prolonged snowfall, making these events more notable when they occur.

Average Sun in Dallas, Texas

Dallas enjoys plenty of sunshine throughout the year, with clear skies being quite common. The amount of sunlight varies with the seasons, influencing the length of the day, sunset, and sunrise times.

Average Daily Shortwave Solar Energy in Dallas, Texas

Dallas is known for its abundant sunshine.

Over the course of a year, the average daily shortwave solar energy reaching the ground varies markedly. During the summer months, especially in August, clear skies dominate, leading to higher solar energy averages.

In winter, cloud cover is more frequent, resulting in lower values of solar energy.

This seasonal shift affects the perceived length of the day, with longer daylight hours in summer and shorter ones in winter.

Spring and fall typically see moderate sunlight levels, with partly cloudy conditions.

The clearer sky in summer not only increases solar energy but also contributes to the intense heat experienced during this period.

Dallas thus benefits from varied sunlight patterns that influence its climate significantly throughout the year.

For further details on the climate and weather patterns in Dallas, refer to Climate and Average Weather Year Round in Dallas Texas.

Average Humidity in Dallas, Texas

Dallas experiences a range of humidity levels throughout the year.

The most humid month is May, with an average relative humidity of 70.0%. Conversely, August is the least humid month, with an average relative humidity of 60.0%. The overall average annual humidity is 66%.

During the year, Dallas can feel muggy, especially in the summer months. The humidity can add to the discomfort of the high temperatures.

Month Average Humidity (%)
January 62
February 61
March 60
April 65
May 70
June 68
July 66
August 60
September 64
October 63
November 61
December 62

Some months can be more comfortable, especially from October to April. During these months, the humidity is relatively lower, making outdoor activities more pleasant.

High humidity levels in summer can make the heat feel more intense, leading to a muggy and uncomfortable environment.

For detailed information on the climate in Dallas, you can explore the average humidity in Dallas.

Average Wind in Dallas, Texas

Dallas experiences various wind speeds throughout the year. While there are variations depending on the month, the city tends to have a moderate level of wind.

Monthly Wind Speeds

  • January: Wind speeds average around 14 mph.
  • July: Speeds tend to decrease, averaging closer to 9 mph.
  • December: Winds pick up again, averaging around 13 mph.

Wind Patterns

During spring and fall, wind speeds in Dallas generally increase, making these seasons more blustery.

The summer months typically bring calmer winds, while winter can see varying speeds.

Peak Wind Times

The highest wind speeds are usually recorded in the afternoon. This is due to the warming of the earth’s surface, leading to more active atmospheric movements.

Historical Wind Trends

Over the years, data shows that March tends to have some of the highest recorded winds. This is a consistent pattern, offering a more detailed look at Dallas wind trends.

Impact on Daily Life

Wind speeds in Dallas can occasionally impact outdoor activities and events. Strong gusts are more likely in the spring, so planning accordingly can help avoid disruptions.

Average Air Quality in Dallas, Texas

Dallas experiences varying air quality levels throughout the year. Understanding these variations can help residents make informed decisions.

Seasonal Changes

Spring: During spring, pollen levels rise, impacting air quality. Many people experience allergies during this time.

Summer: The summer months can see increased levels of ozone pollution, especially during heatwaves. Ground-level ozone forms when pollutants react under sunlight.

Fall: Autumn usually brings improved air quality as temperatures cool and pollen levels drop.

Winter: Colder months often have good air quality, but occasional temperature inversions can trap pollutants close to the ground.

Common Pollutants

  • Ozone: Forms during hot days, often peaking in summer.
  • PM2.5 (Particulate Matter): Includes dust, dirt, soot, and smoke. Can be a concern year-round.

Air Quality Index (AQI)

The AQI in Dallas generally ranges from 0 to 100, indicating good to moderate air quality. On some days in summer, it may exceed 100, reflecting unhealthy levels for sensitive groups.

Tips for Residents

  • Check Daily AQI: Websites like AccuWeather provide up-to-date air quality information.
  • Limit Outdoor Activities: On days with high AQI, reduce strenuous outdoor activities.
  • Keep Indoors Clean: Use air purifiers to improve indoor air quality.

Visibility

Poor air quality can sometimes reduce visibility, particularly during smoggy or hazy conditions. Most of the year, visibility remains high.

For more detailed and updated air quality data, visit IQAir.

Topography of Dallas, Texas

Dallas is largely flat with some gentle hills and elevations. The elevation of Dallas averages around 430 feet above sea level. This makes it relatively low compared to many other U.S. cities.

The Trinity River runs through Dallas, shaping its landscape. It provides a natural boundary and plays a vital role in the area’s drainage and flood management systems.

Dallas lies on the edge of the Great Plains. This region is known for its wide open spaces and minimal topographical variation.

In north Dallas, you will find more wooded areas and rolling hills. This is especially true around White Rock Lake. The lake itself sits at an elevation of about 458 feet, slightly higher than the city average.

The western parts of Dallas can have some limestone escarpments. These small cliffs add a bit of geological variety to the otherwise uniform terrain.

Dallas’ flat landscape is well-suited for urban development. It allows easy construction of buildings, roads, and infrastructure without needing extensive land modification.

Extreme Weather Events That Occur in Dallas, Texas

Dallas, Texas faces several extreme weather events throughout the year. These include severe storms, tornadoes, winter storms, and extreme heatwaves.

Tornadoes

Tornadoes are common in Dallas. The city is part of “Tornado Alley” and experiences tornadoes mainly in spring. Wind speeds can reach over 200 mph, causing significant damage.

Severe Thunderstorms

Severe thunderstorms bring heavy rainfall and strong winds. Hail often accompanies these storms, damaging property and vehicles. Rainfall during these events can exceed several inches in just a few hours.

Winter Storms

Winter storms in Dallas can bring freezing temperatures and ice. The city experienced a significant winter storm in 2021, which led to widespread power outages and water supply issues. Record low temperatures dropped to single digits Fahrenheit.

Heatwaves

Extreme heat is another challenge. Summertime can see temperatures soar over 100°F, making it one of the hottest periods. During dry seasons, the heat can increase fire risks.

Droughts

Dallas can experience long periods of drought. These dry spells can lead to water shortages and affect agriculture.

Rainfall Records

Rainfall varies drastically. Some years, Dallas experiences record rainfall, while other years are much drier. The National Centers for Environmental Information keeps detailed records of these weather events.

Best Time of the Year to Visit Dallas, Texas

The best time to visit Dallas typically falls between September and November, or between March and May. These periods offer mild weather and highlight many of the city’s major events.

What Is Dallas, Texas Like in Spring

Spring in Dallas runs from March to May. During this time, the city experiences mild temperatures ranging from the mid-60s°F to mid-80s°F. The weather is generally pleasant and suitable for outdoor activities.

March sees temperatures around 70°F on average. By April, temperatures can reach the high 70s°F. May brings warmer days, with temperatures even hitting the low 80s°F. Rainfall is also common, so visitors might encounter occasional showers. The blooming flowers and lush greenery add to the appeal, making spring a great time for events and outdoor festivals.

What Is Dallas, Texas Like in Summer

Summers in Dallas, which span from June to August, are known for being very hot. Average temperatures often surpass 90°F, and can sometimes reach into the 100s°F. July is typically the hottest month.

During this period, humidity levels can be high, amplifying the heat and making it feel even warmer. Rainfall is less frequent, but thunderstorms can occasionally occur. Visitors might find it challenging to engage in outdoor activities because of the extreme heat.

What Is Dallas, Texas Like in Fall

Fall, which lasts from September to November, is one of the best times to visit Dallas. September sees temperatures drop from the high 80s°F to the low 70s°F by November. The weather is usually dry with comfortable, cool evenings.

October is especially popular due to the State Fair of Texas. Events and festivals abound, and the fall foliage adds a beautiful backdrop to the city. Outdoor activities are highly enjoyable during this time, thanks to the mild climate.

What Is Dallas, Texas Like in Winter

Winter in Dallas extends from December to February. The temperatures are cooler, ranging from the mid-30s°F to mid-50s°F.

February is typically the coldest month, with temperatures occasionally dropping to near freezing.

While the city does experience some cold fronts, very cold or frigid conditions are rare.

Snowfall is infrequent, but light snow or ice can sometimes occur.

Overall, winter in Dallas is mild compared to other parts of the country, making it a viable option for travelers looking to avoid extreme cold.

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