Click on a day for an hourly weather forecast
The temperatures in Dallas in May are comfortable with low of 18°C and and high up to 28°C.
You can expect rain for roughly half of the month of May in Dallas. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Dallas in May 2025.
If you’re planning to visit Dallas in the near future, we highly recommend that you review the 14 day weather forecast for Dallas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 13° / 5° | 4 | 27 | 1 | 90 mm | Ok | Dallas in January |
| February | 14° / 6° | 5 | 21 | 2 | 99 mm | Ok | Dallas in February |
| March | 19° / 10° | 6 | 25 | 0 | 137 mm | Good | Dallas in March |
| April | 23° / 13° | 6 | 24 | 0 | 123 mm | Perfect | Dallas in April |
| May | 28° / 18° | 8 | 23 | 0 | 209 mm | Good | Dallas in May |
| June | 32° / 23° | 7 | 23 | 0 | 154 mm | Ok | Dallas in June |
| July | 35° / 24° | 7 | 24 | 0 | 120 mm | Bad | Dallas in July |
| August | 35° / 25° | 6 | 25 | 0 | 134 mm | Ok | Dallas in August |
| September | 31° / 22° | 7 | 23 | 0 | 178 mm | Ok | Dallas in September |
| October | 25° / 16° | 6 | 25 | 0 | 188 mm | Perfect | Dallas in October |
| November | 19° / 10° | 4 | 25 | 0 | 115 mm | Good | Dallas in November |
| December | 14° / 7° | 5 | 26 | 0 | 125 mm | Good | Dallas in December |