March Weather in Chilaw, Sri Lanka

Last updated: August 31, 2025

In March, the average temperature in Chilaw, Sri Lanka is a warm 28°C (83°F). Expect minimums dropping to 24°C (75°F) and highs reaching a sultry 34°C (93°F). During this time, precipitation averages 83 mm (3.3 in) over 16 days, contributing to an average humidity of 74%. Be prepared for a vibrant, tropical atmosphere!

March Temperature in Chilaw

In March in Chilaw, the average temperature is 28°C (83°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 24°C (75°F). This warm and pleasant climate makes Chilaw an ideal destination for travelers seeking sunshine and outdoor activities.

March Weather in Chilaw: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Chilaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chilaw, March typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (75°F).

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

March Precipitation in Chilaw

In Chilaw in March, the precipitation amount is 83 mm (3.3 in), occurring over a period of 16 days.

March Precipitation Trends in Chilaw

The chart displays monthly precipitation patterns in Chilaw, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Chilaw, March typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Chilaw

In Chilaw in March, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

March Average Humidity in Chilaw

This chart illustrates the average monthly humidity levels in Chilaw, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Chilaw is approximately 74%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Chilaw

In Chilaw in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Chilaw, you can check here.

Maximum UV Index Levels in Chilaw for March

The chart shows the monthly maximum UV Index (UVI) for Chilaw in March, 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 March, the maximum UV index in Chilaw typically reaches 14, which falls under the extreme exposure category.

Data source: Chilaw March 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 March Weather in Chilaw Compares to Other Months

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

This table compares monthly weather conditions in Chilaw, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	45 mm (1.8 inches)	77%	extreme
February Weather	27°C (82°F)	18 mm (0.7 inches)	73%	extreme
March Weather	28°C (83°F)	83 mm (3.3 inches)	74%	extreme
April Weather	28°C (83°F)	122 mm (4.8 inches)	74%	extreme
May Weather	28°C (83°F)	266 mm (10.5 inches)	76%	extreme
June Weather	28°C (83°F)	204 mm (8.0 inches)	82%	extreme
July Weather	28°C (82°F)	123 mm (4.8 inches)	82%	extreme
August Weather	27°C (81°F)	155 mm (6.1 inches)	83%	extreme
September Weather	27°C (81°F)	199 mm (7.8 inches)	82%	extreme
October Weather	27°C (81°F)	311 mm (12.2 inches)	81%	extreme
November Weather	27°C (81°F)	308 mm (12.1 inches)	80%	extreme
December Weather	27°C (81°F)	139 mm (5.5 inches)	80%	very high