Dallas (TX) Weather and Climate: A Comprehensive Guide
Dalles has a a humid subtropical climate. During winter months the average night temperature is just above freezing, however long periods with night frost are also occurring.
In summer the average temperature in Dallas is very high. Together with a lot of rainfall it creates high humidity. Most precipitation falls during the early summer months. The best time to visit Dallas in the state of Texas is from March to May and September to November.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very hot to moderate in Dallas. Average daytime temperatures reach a very hot 36°C in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C.
At night, you can expect cooler temperatures, with averages dropping to around 2°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Dallas has a moderate amount of precipitation, averaging 984 mm of rain/snowfall annually. Dallas can be quite wet during May, receiving approximately 135 mm of precipitation over 11 rainy days. In contrast July, experiences much drier conditions, with 41 mm of rainfall, spread across 6 rainy days. For more details, please visit our Dallas Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Dallas can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.8 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Dallas.
The city experiences its highest humidity in May, reaching 70%. In July, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
partly cloudy and slight rain almost clear and no rain broken clouds and no rainForecast for Dallas (TX)
The best time of year to visit Dallas in the United States of America
During the months of March and April you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 36°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 14°C.
May tops the wettest month list with 135 mm of rainfall.
July is the driest month with 41 mm of precipitation.
July is the sunniest month with an average of 333 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.