Dallas weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: March – April, October – November
What is the weather like in Dallas in May?
In May, Dallas is hot: daytime highs average 28 °C, and nights cool down to about 19 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 128 mm in total. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in Dallas.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 13 h 49 min06:29 – 20:18
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 16 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 10 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 50 %84 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 30 %53 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Dallas in May: quick answers
Is Dallas hot in May?
Yes. In May, Dallas is hot: daytime highs average 28 °C and nights stay around 19 °C. On about 10 days the thermometer climbs to 30 °C or more.
Does it rain much in Dallas in May?
Rain is frequent, with about 11 rainy days and 128 mm in total.
Dallas month by month
The whole year in DallasAll destinations: USAWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences