Weather in Hillsboro in May
Hillsboro, United States averages a high of 18.5°C (65.3°F) and low of 8.1°C (46.6°F) in May, with 10 rain days and 10.7 hours of daily sunshine. Travel score: 73.5/100 (Good). The best time to visit Hillsboro is July.
High
19°C65°F
Low
8°C47°F
🌧️
10
rain days
☀️
10.7
hrs/day sunshine
💧
73%
humidity
74— Good
May in Hillsboro is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Hillsboro?
How much does it rain in Hillsboro in May?
Hillsboro receives an average of 68.4mm of rainfall across 10 rainy days in May. The annual total is 1221.3mm.
What should I pack for Hillsboro in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
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