Weather in Dehiwala-Mount Lavinia in May
Dehiwala-Mount Lavinia, Sri Lanka averages a high of 29.3°C (84.7°F) and low of 25.4°C (77.7°F) in May, with 29 rain days and 9 hours of daily sunshine. Travel score: 64.5/100 (Good). The best time to visit Dehiwala-Mount Lavinia is February.
High
29°C85°F
Low
25°C78°F
🌧️
29
rain days
☀️
9
hrs/day sunshine
💧
86%
humidity
65— Good
May in Dehiwala-Mount Lavinia is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Dehiwala-Mount Lavinia?
How much does it rain in Dehiwala-Mount Lavinia in May?
Dehiwala-Mount Lavinia receives an average of 318.3mm of rainfall across 29 rainy days in May. The annual total is 2772.5mm.
What should I pack for Dehiwala-Mount Lavinia in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (29 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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Data based on 1994–2024 averages · Last updated: 2024-12-31