Weather in Portsmouth in May
Portsmouth, United Kingdom averages a high of 15.9°C (60.6°F) and low of 9.1°C (48.4°F) in May, with 10 rain days and 11.2 hours of daily sunshine. Travel score: 69.4/100 (Good). The best time to visit Portsmouth is July.
High
16°C61°F
Low
9°C48°F
🌧️
10
rain days
☀️
11.2
hrs/day sunshine
💧
76%
humidity
69— Good
May in Portsmouth is mild and occasionally wet — good for most activities.
What are the average temperatures in Portsmouth?
How much does it rain in Portsmouth in May?
Portsmouth receives an average of 51mm of rainfall across 10 rainy days in May. The annual total is 727.3mm.
What should I pack for Portsmouth in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°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 Kingdom 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