December Weather in Mawalgama, Sri Lanka

Last updated: August 31, 2025

The average temperature in Mawalgama, Sri Lanka during December is a pleasant 25°C (77°F), making it an ideal time to explore. Expect a minimum temperature of 18°C (65°F) and a maximum reaching 32°C (90°F). Be prepared for some rain, as the area receives about 259 mm (10.2 in) of precipitation over 20 days. With an average humidity of 86%, it’s a good idea to stay hydrated while enjoying the lush surroundings!

December Temperature in Mawalgama

In December in Mawalgama, the average temperature is 25°C (77°F). Maximum can reach 32°C (90°F) and minimum can be as low as 18°C (65°F). This pleasant weather makes Mawalgama an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates December temperature patterns in Mawalgama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mawalgama, December typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (90°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec777980807978787777777777
Data source: Temperature data for Mawalgama generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Mawalgama

In Mawalgama in December, the precipitation amount is 259 mm (10.2 in) over a duration of 20 days.

December Precipitation Trends in Mawalgama

The chart displays monthly precipitation patterns in Mawalgama, 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 Mawalgama, December typically receives around 259 mm (10.2 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec138157267291393301276335302462528259
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Mawalgama

In Mawalgama in December, humidity is 86%. With an average temperature of 25°C (77°F), this humidity feels like you are wrapped in a warm, heavy blanket, making travel a bit challenging as you may find yourself frequently seeking shade and hydration while navigating the vibrant streets.

December Average Humidity in Mawalgama

This chart illustrates the average monthly humidity levels in Mawalgama, 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 Mawalgama 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 Mawalgama

In Mawalgama 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 Mawalgama.

Maximum UV Index Levels in Mawalgama for December

The chart shows the monthly maximum UV Index (UVI) for Mawalgama 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 Mawalgama typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131415151413131414131111
Data source: Mawalgama 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 Mawalgama Compares to Other Months

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

This table compares monthly weather conditions in Mawalgama, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)137 mm (5.4 inches)80%extreme
February Weather26°C (79°F)157 mm (6.2 inches)72%extreme
March Weather27°C (80°F)267 mm (10.5 inches)69%extreme
April Weather27°C (80°F)291 mm (11.4 inches)69%extreme
May Weather26°C (79°F)393 mm (15.5 inches)79%extreme
June Weather26°C (79°F)301 mm (11.9 inches)85%extreme
July Weather25°C (78°F)276 mm (10.8 inches)81%extreme
August Weather25°C (78°F)335 mm (13.2 inches)85%extreme
September Weather25°C (77°F)302 mm (11.9 inches)81%extreme
October Weather25°C (77°F)462 mm (18.2 inches)89%extreme
November Weather25°C (77°F)528 mm (20.8 inches)88%extreme
December Weather25°C (77°F)259 mm (10.2 inches)86%extreme

Compare Mawalgama's Climate with Cities Worldwide