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May Weather in Vavuniya, Sri Lanka

Last updated: August 31, 2025

In May, the average temperature in Vavuniya, Sri Lanka reaches a warm 29°C (84°F), with a range that can dip to a minimum of 23°C (74°F) and peak at a sizzling 38°C (101°F). Expect 116 mm (4.6 in) of precipitation spread over 16 days, contributing to a relatively high average humidity of 75%. Stay prepared for both warmth and showers!

May Temperature in Vavuniya

In May in Vavuniya, the average temperature is 29°C (84°F). The maximum can reach 38°C (101°F), while the minimum can be as low as 23°C (74°F). This warm climate makes it an ideal destination for travelers seeking sunny days and comfortable evenings.

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

The chart illustrates May temperature patterns in Vavuniya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vavuniya, May typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (101°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777882848485858483817978
Data source: Temperature data for Vavuniya 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 Vavuniya

In Vavuniya in May, the precipitation amount is 116 mm (4.6 in) over a period of 16 days.

May Precipitation Trends in Vavuniya

The chart displays monthly precipitation patterns in Vavuniya, 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 Vavuniya, May typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec8723586811634616096235259172
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Vavuniya

In Vavuniya in May, humidity is 75%. With an average temperature of 29°C (84°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities quite sweaty and challenging for traveling.

May Average Humidity in Vavuniya

This chart illustrates the average monthly humidity levels in Vavuniya, 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 Vavuniya is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%75%76%72%75%83%80%85%82%83%84%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Vavuniya

In Vavuniya in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Vavuniya.

Maximum UV Index Levels in Vavuniya for May

The chart shows the monthly maximum UV Index (UVI) for Vavuniya 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 Vavuniya typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151312121314121110
Data source: Vavuniya 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 Vavuniya Compares to Other Months

Weather in Vavuniya varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Vavuniya, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Vavuniya, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)87 mm (3.4 inches)79%extreme
February Weather26°C (79°F)23 mm (0.9 inches)75%extreme
March Weather28°C (82°F)58 mm (2.3 inches)76%extreme
April Weather29°C (85°F)68 mm (2.7 inches)72%extreme
May Weather29°C (84°F)116 mm (4.6 inches)75%extreme
June Weather29°C (85°F)33 mm (1.3 inches)82%extreme
July Weather29°C (85°F)61 mm (2.4 inches)80%extreme
August Weather29°C (84°F)60 mm (2.4 inches)85%extreme
September Weather28°C (83°F)96 mm (3.8 inches)82%extreme
October Weather27°C (82°F)235 mm (9.3 inches)83%extreme
November Weather26°C (79°F)259 mm (10.2 inches)84%extreme
December Weather26°C (78°F)172 mm (6.8 inches)83%very high

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