December Weather in Puttalam, Sri Lanka

Last updated: August 31, 2025

In December, the average temperature in Puttalam, Sri Lanka is a warm 27°C (80°F). You can expect a minimum of 23°C (74°F) and a maximum of 31°C (89°F). Throughout the month, precipitation totals around 134 mm (5.3 in) over approximately 14 days, while humidity levels hover around a comfortable 80%.

December Temperature in Puttalam

In December in Puttalam, the average temperature is 27°C (80°F), with maximums reaching up to 31°C (89°F) and minimums dipping as low as 23°C (74°F). This pleasant climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions.

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

The chart illustrates December temperature patterns in Puttalam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puttalam, December typically has an average temperature of 27°C (80°F), with highs reaching up to 31°C (89°F) and lows dropping to around 23°C (74°F).

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

December Precipitation in Puttalam

In Puttalam in December, the total precipitation amount is 134 mm (5.3 in) over the course of 14 days.

December Precipitation Trends in Puttalam

The chart displays monthly precipitation patterns in Puttalam, 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 Puttalam, December typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 14 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 Puttalam

In Puttalam 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 Puttalam

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

In Puttalam 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 Puttalam.

Maximum UV Index Levels in Puttalam for December

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

Data source: Puttalam 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 Puttalam Compares to Other Months

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

This table compares monthly weather conditions in Puttalam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	46 mm (1.8 inches)	77%	extreme
February Weather	27°C (81°F)	16 mm (0.6 inches)	73%	extreme
March Weather	28°C (83°F)	52 mm (2.0 inches)	74%	extreme
April Weather	29°C (84°F)	99 mm (3.9 inches)	74%	extreme
May Weather	29°C (84°F)	182 mm (7.2 inches)	76%	extreme
June Weather	28°C (83°F)	102 mm (4.0 inches)	82%	extreme
July Weather	28°C (83°F)	51 mm (2.0 inches)	82%	extreme
August Weather	28°C (82°F)	78 mm (3.1 inches)	83%	extreme
September Weather	27°C (82°F)	136 mm (5.3 inches)	82%	extreme
October Weather	27°C (81°F)	269 mm (10.6 inches)	81%	extreme
November Weather	27°C (81°F)	292 mm (11.5 inches)	80%	extreme
December Weather	27°C (80°F)	134 mm (5.3 inches)	80%	very high