December Weather in Mulleriyawa, Sri Lanka

Last updated: August 31, 2025

In Mulleriyawa, Sri Lanka, the average temperature in December hovers around 27°C (80°F), with lows dipping to 20°C (69°F) and highs peaking at 34°C (94°F). Expect some rain during your stay, with an average precipitation of 170 mm (6.7 in) spread over 16 days. Furthermore, the air is quite humid, with an average humidity level of 80%, creating a warm and breezy atmosphere.

December Temperature in Mulleriyawa

In December in Mulleriyawa, the average temperature is 27°C (80°F). Maximums can reach 34°C (94°F), while minimums can dip to as low as 20°C (69°F). This makes it an ideal time for visitors to enjoy warm weather activities and explore the beautiful surroundings.

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

The chart illustrates December temperature patterns in Mulleriyawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mulleriyawa, December typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).

Data source: Temperature data for Mulleriyawa generated using information from the Copernicus Climate Change Service.

December Precipitation in Mulleriyawa

In Mulleriyawa in December, the total precipitation amount is 170 mm (6.7 in) spread over 16 days.

December Precipitation Trends in Mulleriyawa

The chart displays monthly precipitation patterns in Mulleriyawa, 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 Mulleriyawa, December typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Mulleriyawa

In Mulleriyawa in December humidity is 80%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and sticky, and challenging you to stay hydrated while exploring.

December Average Humidity in Mulleriyawa

This chart illustrates the average monthly humidity levels in Mulleriyawa, 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 Mulleriyawa is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mulleriyawa

In Mulleriyawa 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 Mulleriyawa.

Maximum UV Index Levels in Mulleriyawa for December

The chart shows the monthly maximum UV Index (UVI) for Mulleriyawa 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 Mulleriyawa typically reaches 10, which falls under the very high exposure category.

Data source: Mulleriyawa 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 Mulleriyawa Compares to Other Months

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

This table compares monthly weather conditions in Mulleriyawa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	68 mm (2.7 inches)	77%	extreme
February Weather	28°C (83°F)	61 mm (2.4 inches)	73%	extreme
March Weather	29°C (84°F)	122 mm (4.8 inches)	74%	extreme
April Weather	28°C (83°F)	144 mm (5.7 inches)	74%	extreme
May Weather	28°C (83°F)	284 mm (11.2 inches)	76%	extreme
June Weather	28°C (82°F)	270 mm (10.6 inches)	82%	extreme
July Weather	27°C (82°F)	205 mm (8.1 inches)	82%	extreme
August Weather	27°C (81°F)	250 mm (9.8 inches)	83%	extreme
September Weather	27°C (81°F)	245 mm (9.6 inches)	82%	extreme
October Weather	27°C (80°F)	377 mm (14.9 inches)	81%	extreme
November Weather	27°C (80°F)	358 mm (14.1 inches)	80%	extreme
December Weather	27°C (80°F)	170 mm (6.7 inches)	80%	very high