May Weather in Wattegama, Sri Lanka

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!

May Temperature in Wattegama

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.

May Weather in Wattegama: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Wattegama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wattegama, May typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec777880818385858483817977
Data source: Temperature data for Wattegama generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Wattegama

In Wattegama in May, the precipitation amount is 106 mm (4.2 in) spread over 17 days.

May Precipitation Trends in Wattegama

The chart displays monthly precipitation patterns in Wattegama, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Wattegama, May typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec72959310310640405376199288196
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Wattegama

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.

May Average Humidity in Wattegama

This chart illustrates the average monthly humidity levels in Wattegama, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Wattegama is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%69%79%85%81%85%81%89%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Wattegama

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.

Maximum UV Index Levels in Wattegama for May

The chart shows the monthly maximum UV Index (UVI) for Wattegama in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Wattegama typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151413131414131111
Data source: Wattegama May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Wattegama Compares to Other Months

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.

This table compares monthly weather conditions in Wattegama, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)72 mm (2.8 inches)80%extreme
February Weather26°C (78°F)95 mm (3.7 inches)72%extreme
March Weather27°C (80°F)93 mm (3.7 inches)69%extreme
April Weather27°C (82°F)103 mm (4.0 inches)69%extreme
May Weather28°C (83°F)106 mm (4.2 inches)79%extreme
June Weather29°C (85°F)40 mm (1.6 inches)85%extreme
July Weather29°C (85°F)40 mm (1.6 inches)81%extreme
August Weather29°C (84°F)53 mm (2.1 inches)85%extreme
September Weather28°C (83°F)76 mm (3.0 inches)81%extreme
October Weather27°C (81°F)198 mm (7.8 inches)89%extreme
November Weather26°C (79°F)288 mm (11.3 inches)88%extreme
December Weather25°C (78°F)196 mm (7.7 inches)86%extreme

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