Last updated: August 31, 2025
In May, the average temperature in Wattegama, Sri Lanka hovers around 28°C (83°F), with a minimum of 22°C (73°F) and a sizzling maximum of 37°C (99°F). Expect 106 mm (4.2 in) of precipitation spread over 17 days, contributing to an average humidity level of 79%. Stay prepared for a tropical climate that invites both warmth and occasional rain!
In May in Wattegama, the average temperature is 28°C (83°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 22°C (73°F). This warm and inviting climate makes it an ideal time for travelers looking to enjoy outdoor activities and explore the beauty of the region.
In Wattegama in May, the precipitation amount is 106 mm (4.2 in) spread over 17 days.
In Wattegama in May humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.
In Wattegama in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Wattegama, you can check here.
UV Risk Categories
Weather in Wattegama varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Wattegama, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 25°C (77°F) | 72 mm (2.8 inches) | 80% | extreme |
February Weather | 26°C (78°F) | 95 mm (3.7 inches) | 72% | extreme |
March Weather | 27°C (80°F) | 93 mm (3.7 inches) | 69% | extreme |
April Weather | 27°C (82°F) | 103 mm (4.0 inches) | 69% | extreme |
May Weather | 28°C (83°F) | 106 mm (4.2 inches) | 79% | extreme |
June Weather | 29°C (85°F) | 40 mm (1.6 inches) | 85% | extreme |
July Weather | 29°C (85°F) | 40 mm (1.6 inches) | 81% | extreme |
August Weather | 29°C (84°F) | 53 mm (2.1 inches) | 85% | extreme |
September Weather | 28°C (83°F) | 76 mm (3.0 inches) | 81% | extreme |
October Weather | 27°C (81°F) | 198 mm (7.8 inches) | 89% | extreme |
November Weather | 26°C (79°F) | 288 mm (11.3 inches) | 88% | extreme |
December Weather | 25°C (78°F) | 196 mm (7.7 inches) | 86% | extreme |