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December Weather in Vavuniya, Sri Lanka

Last updated: August 31, 2025

In December, the average temperature in Vavuniya, Sri Lanka is a pleasant 26°C (78°F). While you can expect a minimum of 20°C (67°F), temperatures can reach a maximum of 32°C (90°F). Be prepared for frequent rain, with an average precipitation of 172 mm (6.8 in) spread over 20 days. The humidity during this month is quite high, averaging around 83%, making it feel even warmer.

December Temperature in Vavuniya

In December in Vavuniya, the average temperature is 26°C (78°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop to as low as 20°C (67°F). This warm and pleasant weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions.

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

The chart illustrates December 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, December typically has an average temperature of 26°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 20°C (67°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.

December Precipitation in Vavuniya

In Vavuniya in December, the total precipitation amount is 172 mm (6.8 in) spread over 20 days.

December Precipitation Trends in Vavuniya

The chart displays monthly precipitation patterns in Vavuniya, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Vavuniya, December typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec8723586811634616096235259172
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vavuniya

In Vavuniya in December, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

December Average Humidity in Vavuniya

This chart illustrates the average monthly humidity levels in Vavuniya, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Vavuniya is approximately 83%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Vavuniya

In Vavuniya in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Vavuniya.

Maximum UV Index Levels in Vavuniya for December

The chart shows the monthly maximum UV Index (UVI) for Vavuniya in December, 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 December, the maximum UV index in Vavuniya typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151312121314121110
Data source: Vavuniya December 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 December 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 December’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 December’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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