January Weather in Puttalam, Sri Lanka

Last updated: August 31, 2025

In January, the average temperature in Puttalam, Sri Lanka is a warm 26°C (80°F), with daytime highs peaking at 32°C (89°F) and dipping to a comfortable 22°C (71°F) at night. Expect about 46 mm (1.8 in) of precipitation over 5 days, contributing to an average humidity of around 77%. Enjoy the tropical warmth while staying prepared for the occasional shower!

January Temperature in Puttalam

In January in Puttalam, the average temperature is 26°C (80°F), with maximums reaching up to 32°C (89°F) and minimums dipping as low as 22°C (71°F). This warm and pleasant climate makes it an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates January 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, January typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (89°F) and lows dropping to around 22°C (71°F).

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

January Precipitation in Puttalam

In Puttalam in January, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

January Precipitation Trends in Puttalam

The chart displays monthly precipitation patterns in Puttalam, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Puttalam, January typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Puttalam

In Puttalam in January, humidity is 77%. With an average temperature of 26°C (80°F), this humidity feels like walking through a warm, damp blanket, making traveling somewhat uncomfortable and necessitating frequent breaks to stay hydrated and cool.

January Average Humidity in Puttalam

This chart illustrates the average monthly humidity levels in Puttalam, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Puttalam is approximately 77%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Puttalam

In Puttalam in January, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Puttalam.

Maximum UV Index Levels in Puttalam for January

The chart shows the monthly maximum UV Index (UVI) for Puttalam in January, 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 January, the maximum UV index in Puttalam typically reaches 12, which falls under the extreme exposure category.

Data source: Puttalam January 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 January 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 January’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 January’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