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December Weather in Wattegama, Sri Lanka

Last updated: August 31, 2025

In Wattegama, Sri Lanka, the average temperature in December hovers around 25°C (78°F), with a comfortable minimum of 20°C (68°F) and a warm maximum of 32°C (89°F). Expect a total precipitation of 196 mm (7.7 in) spread across 19 days, contributing to an average humidity of 86%. Perfect for those who enjoy a lush, tropical atmosphere!

December Temperature in Wattegama

In December in Wattegama, the average temperature is 25°C (78°F). Maximums can reach 32°C (89°F), while minimums can be as low as 20°C (68°F). This makes it an ideal time for outdoor activities and exploring the local attractions comfortably.

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

The chart illustrates December 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, December typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (68°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.

December Precipitation in Wattegama

In Wattegama in December, the precipitation amount is 196 mm (7.7 in) over the course of 19 days.

December Precipitation Trends in Wattegama

The chart displays monthly precipitation patterns in Wattegama, 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 Wattegama, December typically receives around 196 mm (7.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec72959310310640405376199288196
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wattegama

In Wattegama in December, humidity is 86%. With an average temperature of 25°C (78°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities challenging and potentially uncomfortable for traveling.

December Average Humidity in Wattegama

This chart illustrates the average monthly humidity levels in Wattegama, 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 Wattegama is approximately 86%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Wattegama

In Wattegama in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Wattegama.

Maximum UV Index Levels in Wattegama for December

The chart shows the monthly maximum UV Index (UVI) for Wattegama 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 Wattegama typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151413131414131111
Data source: Wattegama 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 Wattegama Compares to Other Months

Weather in Wattegama varies notably across the year, with each month offering distinct climate conditions. This page compares December’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 December’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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