Weather in Allen in May
Allen, United States averages a high of 27.4°C (81.3°F) and low of 18.3°C (64.9°F) in May, with 11 rain days and 10 hours of daily sunshine. Travel score: 80.2/100 (Excellent). The best time to visit Allen is September.
High
27°C81°F
Low
18°C65°F
🌧️
11
rain days
☀️
10
hrs/day sunshine
💧
71%
humidity
80— Excellent
May in Allen is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Allen?
How much does it rain in Allen in May?
Allen receives an average of 147.6mm of rainfall across 11 rainy days in May. The annual total is 1073.5mm.
What should I pack for Allen 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.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Allen
Popular comparisons:
How can I plan my trip to Allen?
What other cities are near Allen?
What are other popular cities in United States?
What is the weather like in other months in Allen?
Data based on 1994–2024 averages · Last updated: 2024-12-31