Weather in Dallas
Live weather and 7-day forecast for Dallas, United States, followed by what to expect in each month of the year.
Sunrise 07:37 Sunset 18:47 Daylight 11h 10m Sun times →
Next 24 hours
7-day forecast
Forecast data from Open-Meteo
Climate in Dallas: month by month
Averaged over 2023–2025, the warmest month in Dallas is August, with highs around 37 °C (99 °F) and lows around 26 °C (79 °F); the coolest is January, with highs around 13 °C (55 °F) and lows around 3 °C (37 °F).
Dallas gets about 1,407 mm (55 in) of precipitation a year. The wettest month is May (213 mm over about 15 days) and the driest is August (61 mm).
| Month | Avg high | Avg low | Precipitation (in) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 55° | 37° | 4.1 | 7 | 10h 14m |
| February | 64° | 44° | 3.3 | 8 | 11h 2m |
| March | 73° | 53° | 4.6 | 12 | 11h 57m |
| April | 77° | 58° | 7.1 | 10 | 12h 59m |
| May | 84° | 66° | 8.4 | 15 | 13h 50m |
| June | 91° | 74° | 5.7 | 12 | 14h 18m |
| July | 96° | 77° | 3.9 | 10 | 14h 6m |
| August | 99° | 79° | 2.4 | 5 | 13h 22m |
| September | 91° | 72° | 3.4 | 8 | 12h 23m |
| October | 83° | 63° | 4.0 | 5 | 11h 24m |
| November | 70° | 52° | 5.4 | 6 | 10h 29m |
| December | 63° | 45° | 3.1 | 6 | 10h 0m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Dallas's coordinates (model elevation 137 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Dallas
What is the hottest month in Dallas?
August, with average highs of 37 °C (99 °F) and lows of 26 °C (79 °F) over 2023–2025. The coolest month is January, averaging 13 °C (55 °F) by day and 3 °C (37 °F) at night.
What is the rainiest month in Dallas?
May, with about 213 mm of precipitation on roughly 15 days. The driest month is August (61 mm), and the yearly total is around 1,407 mm.
When is the weather mildest in Dallas?
Going by the averages, March–April and November are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. May is the month most likely to bring rain.
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Dallas local time (America/Chicago).