Weather in McAllen in May
McAllen, United States averages a high of 33.2°C (91.8°F) and low of 23.2°C (73.8°F) in May, with 6 rain days and 11.5 hours of daily sunshine. Travel score: 84.7/100 (Excellent). The best time to visit McAllen is April.
High
33°C92°F
Low
23°C74°F
🌧️
6
rain days
☀️
11.5
hrs/day sunshine
💧
70%
humidity
85— Excellent
May in McAllen is hot and mostly dry — excellent conditions for exploring.
What are the average temperatures in McAllen?
How much does it rain in McAllen in May?
McAllen receives an average of 54.6mm of rainfall across 6 rainy days in May. The annual total is 569.5mm.
What should I pack for McAllen in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 33°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🌬️
Windbreaker
Windy conditions (27 km/h average)
Traveling to United States in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31