Weather in McKinney in May
McKinney, United States averages a high of 27.3°C (81.1°F) and low of 18.1°C (64.6°F) in May, with 11 rain days and 9.8 hours of daily sunshine. Travel score: 80.1/100 (Excellent). The best time to visit McKinney is September.
High
27°C81°F
Low
18°C65°F
🌧️
11
rain days
☀️
9.8
hrs/day sunshine
💧
71%
humidity
80— Excellent
May in McKinney is warm and occasionally wet — excellent conditions for exploring.
What are the average temperatures in McKinney?
How much does it rain in McKinney in May?
McKinney receives an average of 151.6mm of rainfall across 11 rainy days in May. The annual total is 1089.6mm.
What should I pack for McKinney in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
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