ClimateForecastDecemberJanuary >>

Dallas (TX) Climate by Month

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 day and 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, expect cooler temperatures, averaging 2°C during this month.

The mean minimum and maximum temperatures throughout the year

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.

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.

Monthly hours of sunshine

Daily hours of sunshine

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:
  • Which is the warmest month in Dallas?
    August has an average maximum temperature of 36°C and is the warmest month of the year.
  • Which is the coldest month in Dallas?
    The coldest month is January with an average maximum temperature of 14°C.
  • Which is the wettest month in Dallas?
    May tops the wettest month list with 135 mm of rainfall.
  • Which is the driest month in Dallas?
    July is the driest month with 41 mm of precipitation.
  • Which is the sunniest month in Dallas?
    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.

    Forecast for Dallas (TX)

    Tue   Dec 03
    16°C | 3°C
    E 11 km/h
    clear and no rain

    clear and no rain

    Wed   Dec 04
    13°C | 10°C
    SE 7 km/h
    3.4 mm
    overcast and rain

    overcast and rain

    Thu   Dec 05
    15°C | 4°C
    NE 14 km/h
    broken clouds and no rain

    broken clouds and no rain