August Weather in Si Chiang Mai, Thailand

Last updated: August 27, 2025

In August, the average temperature in Si Chiang Mai, Thailand hovers around 28°C (83°F), with minimums dipping to 24°C (75°F) and occasional peaks reaching 37°C (98°F). Expect a significant amount of rainfall, averaging 402 mm (15.8 in) over 26 days, paired with an average humidity of 87%. Stay prepared for a warm and wet month!

August Temperature in Si Chiang Mai

In August in Si Chiang Mai, the average temperature is 28°C (83°F). Maximums can reach 37°C (98°F), and minimums can drop as low as 24°C (75°F). This mild to warm climate makes it a great destination for travelers seeking pleasant weather and outdoor activities.

August Weather in Si Chiang Mai: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Si Chiang Mai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Chiang Mai, August typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 24°C (75°F).

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

August Precipitation in Si Chiang Mai

In Si Chiang Mai in August, the precipitation amount reaches 402 mm (15.8 in) over a span of 26 days.

August Precipitation Trends in Si Chiang Mai

The chart displays monthly precipitation patterns in Si Chiang Mai, 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 Si Chiang Mai, August typically receives around 402 mm (15.8 inches) of precipitation spread over approximately 26 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Si Chiang Mai

In Si Chiang Mai in August humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

August Average Humidity in Si Chiang Mai

This chart illustrates the average monthly humidity levels in Si Chiang Mai, 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 Si Chiang Mai is approximately 87%, 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 Si Chiang Mai

In Si Chiang Mai in August, 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 Si Chiang Mai, you can check here.

Maximum UV Index Levels in Si Chiang Mai for August

The chart shows the monthly maximum UV Index (UVI) for Si Chiang Mai 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 Si Chiang Mai typically reaches 14, which falls under the extreme exposure category.

Data source: Si Chiang Mai 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 Si Chiang Mai Compares to Other Months

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

This table compares monthly weather conditions in Si Chiang Mai, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	6 mm (0.2 inches)	52%	very high
February Weather	25°C (76°F)	17 mm (0.7 inches)	49%	extreme
March Weather	28°C (82°F)	41 mm (1.6 inches)	39%	extreme
April Weather	29°C (85°F)	70 mm (2.8 inches)	40%	extreme
May Weather	29°C (85°F)	204 mm (8.0 inches)	69%	extreme
June Weather	29°C (85°F)	309 mm (12.2 inches)	81%	extreme
July Weather	29°C (84°F)	331 mm (13.0 inches)	83%	extreme
August Weather	28°C (83°F)	402 mm (15.8 inches)	87%	extreme
September Weather	28°C (83°F)	265 mm (10.4 inches)	86%	extreme
October Weather	28°C (82°F)	129 mm (5.1 inches)	74%	extreme
November Weather	26°C (79°F)	10 mm (0.4 inches)	63%	very high
December Weather	23°C (74°F)	7 mm (0.3 inches)	57%	very high