March Weather in Si Chiang Mai, Thailand

Last updated: August 27, 2025

In Si Chiang Mai, Thailand, the average temperature in March is a warm 28°C (82°F). Expect a range from a comfortable 17°C (63°F) to a scorching 40°C (104°F). During this month, anticipate approximately 41 mm (1.6 in) of precipitation spread over 6 days, with an average humidity level of 39%.

March Temperature in Si Chiang Mai

In March in Si Chiang Mai, the average temperature is 28°C (82°F). The maximum can reach 40°C (104°F), while the minimum can drop to as low as 17°C (63°F). This variability makes Si Chiang Mai a great destination for travelers looking to enjoy warm weather while also having the option for cooler evenings.

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

The chart illustrates March 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, March typically has an average temperature of 28°C (82°F), with highs reaching up to 40°C (104°F) and lows dropping to around 17°C (63°F).

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

March Precipitation in Si Chiang Mai

In Si Chiang Mai in March, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

March Precipitation Trends in Si Chiang Mai

The chart displays monthly precipitation patterns in Si Chiang Mai, 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 Si Chiang Mai, March typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Si Chiang Mai

In Si Chiang Mai in March humidity is 39%. With an average temperature of 28°C (82°F), this humidity feels like a refreshing breeze that enhances your travel experience, making outdoor activities enjoyable without the oppressive stickiness often associated with higher humidity levels.

March Average Humidity in Si Chiang Mai

This chart illustrates the average monthly humidity levels in Si Chiang Mai, 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 Si Chiang Mai is approximately 39%, 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 Si Chiang Mai

In Si Chiang Mai in March, 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 Si Chiang Mai.

Maximum UV Index Levels in Si Chiang Mai for March

The chart shows the monthly maximum UV Index (UVI) for Si Chiang Mai 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 Si Chiang Mai typically reaches 13, which falls under the extreme exposure category.

Data source: Si Chiang Mai 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 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 March’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 March’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