August Weather in Gampaha, Sri Lanka

Last updated: August 31, 2025

In Gampaha, Sri Lanka, the average temperature in August is a warm 27°C (81°F). Temperatures can range from a minimum of 24°C (75°F) to a maximum of 31°C (88°F). With an average humidity of 83%, you're likely to feel the warmth. However, be prepared for some rain, as precipitation can reach 250 mm (9.8 in) over 29 days.

August Temperature in Gampaha

In August in Gampaha, the average temperature is 27°C (81°F). Maximums can reach 31°C (88°F) and minimums can be as low as 24°C (75°F). This pleasant weather makes Gampaha an ideal destination for travelers seeking warmth and sunshine.

August Weather in Gampaha: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Gampaha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gampaha, August typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).

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

August Precipitation in Gampaha

In Gampaha in August, the precipitation amount is 250 mm (9.8 in) spread over 29 days.

August Precipitation Trends in Gampaha

The chart displays monthly precipitation patterns in Gampaha, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Gampaha, August typically receives around 250 mm (9.8 inches) of precipitation spread over approximately 29 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Gampaha

In Gampaha in August humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

August Average Humidity in Gampaha

This chart illustrates the average monthly humidity levels in Gampaha, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Gampaha is approximately 83%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Gampaha

In Gampaha in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Gampaha.

Maximum UV Index Levels in Gampaha for August

The chart shows the monthly maximum UV Index (UVI) for Gampaha in August, 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 August, the maximum UV index in Gampaha typically reaches 13, which falls under the extreme exposure category.

Data source: Gampaha August 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 August Weather in Gampaha Compares to Other Months

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

This table compares monthly weather conditions in Gampaha, showing how August’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