Dallas in May
In May, Dallas averages 28°C (83°F) during the day and 19°C (65°F) at night, with frequent rain — about 20 days of the month see precipitation (173 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
May offers comfortable temperatures in Dallas, with some rain to plan around.
How May compares to the rest of the year in Dallas
May is in the middle of the year for warmth in Dallas (5th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 4°C above the annual average (25°C). May runs 4°C warmer than April (24°C) and warms a further 4°C into June (32°C).
May sunrise & sunset in Dallas
Times shown for Dallas local time (America/Chicago), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Dallas — May
Golden-hour and blue-hour windows for the 15th of May, in Dallas's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Dallas in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Dallas's popularity.
Crowds & pricing — May in Dallas
Dallas is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — May in Dallas
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Dallas in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 56°F | 4°C / 38°F | 57 mm | 10 | — |
| February | 15°C / 59°F | 5°C / 40°F | 99 mm | 14 | — |
| March | 21°C / 69°F | 10°C / 50°F | 111 mm | 15 | — |
| April | 24°C / 75°F | 14°C / 56°F | 152 mm | 16 | — |
| May | 28°C / 83°F | 19°C / 65°F | 173 mm | 20 | — |
| June | 32°C / 90°F | 23°C / 73°F | 120 mm | 17 | — |
| July | 35°C / 95°F | 25°C / 78°F | 60 mm | 14 | — |
| August | 35°C / 94°F | 25°C / 77°F | 114 mm | 14 | — |
| September | 32°C / 89°F | 22°C / 72°F | 91 mm | 14 | — |
| October | 26°C / 78°F | 16°C / 60°F | 160 mm | 11 | — |
| November | 19°C / 66°F | 9°C / 49°F | 107 mm | 11 | — |
| December | 15°C / 60°F | 6°C / 43°F | 83 mm | 10 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Dallas in May →
Frequently asked questions
How hot is Dallas in May?
In May, Dallas averages a high of 28°C (83°F) and a low of 19°C (65°F) — generally warm.
Does it rain a lot in Dallas in May?
May is quite rainy in Dallas, with about 20 rainy days on average.
Is May a good time to visit Dallas?
May is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Dallas in May?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Dallas for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.