March weather forecast
Chiang Mai, Thailand

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Panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand
Panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain, in Chiang Mai, Thailand

Weather in March

March in Chiang Mai marks the advent of the hot season, with temperatures distinctly higher than in February. Despite the blazing sun and the intensifying heat, the weather is not excessively humid. The month experiences slightly more rainfall than February, but it remains relatively dry. With the daylight increasing to 12 hours, the warm and sunny climate is pronounced. Individuals visiting Chiang Mai in March should come prepared to embrace the tropical summer.

Temperature

With the advent of March, Chiang Mai's high-temperatures adjust to a fiery hot 35.2°C (95.4°F), closely aligning with the preceding month. Chiang Mai reports a steady low-temperature average of 19.5°C (67.1°F) throughout March, revealing a large deviation from the daytime high.

Heat index

During March, the heat index is evaluated at a blisteringly hot 42°C (107.6°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

With an average relative humidity of 52%, March is the least humid month in Chiang Mai.

Rainfall

In March, the rain falls for 2 days. Throughout March, 18mm (0.71") of precipitation is accumulated. In Chiang Mai, during the entire year, the rain falls for 113 days and collects up to 1131mm (44.53") of precipitation.

Daylight

In March, the average length of the day in Chiang Mai is 12h and 2min.
On the first day of March in Chiang Mai, sunrise is at 06:42 and sunset at 18:29. On the last day of the month, sunrise is at 06:18 and sunset at 18:37 +07.

Sunshine

In March, the average sunshine is 8.7h.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Chiang Mai. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 12 during March morphs into the following directions:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Broad-spectrum sunscreen with an SPF of 30 or above should be applied generously and reapplied every two hours and right after any outdoor activity or swim.

Frequently asked questions

How hot does it get in Chiang Mai in March?

Chiang Mai in March has an average high-temperature of 35.2°C (95.4°F) and an average low-temperature of 19.5°C (67.1°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in March is evaluated at 42°C (107.6°F).

What is the least humid month in Chiang Mai?

The least humid month is March, with an average relative humidity of 52%.

What is the average humidity in March in Chiang Mai?

In March, the average relative humidity in Chiang Mai, Thailand, is 52%.

How many days does it rain in March in Chiang Mai?

In Chiang Mai, Thailand, during March, the rain falls for 2 days and regularly aggregates up to 18mm (0.71") of precipitation.

How many hours of daylight does Chiang Mai have in March?

In March, the average day length in Chiang Mai is 12h and 2min.

What time are sunrise and sunset in March in Chiang Mai?

On the first day of March, sunrise is at 06:42 and sunset at 18:29. On the last day of the month, sunrise is at 06:18 and sunset at 18:37 +07.

How long on average sun shines in March in Chiang Mai?

In Chiang Mai, Thailand, the average sunshine duration in March is 8.7h.

What are the months with the highest UV index in Chiang Mai?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Chiang Mai, Thailand.

What is the UV index reading in March in Chiang Mai?

The average daily maximum UV index in March in Chiang Mai is 12. A UV Index of 11, and more, symbolizes an excessive health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Chiang Mai, Thailand

Average temperature in March - Chiang Mai, Thailand
  • Average high temperature in March: 35.2°C

The warmest month (with the highest average high temperature) is April (36.5°C).
The month with the lowest average high temperature is December (28.6°C).

  • Average low temperature in March: 19.5°C

The month with the highest average low temperature is June (24°C).
The coldest month (with the lowest average low temperature) is January (14.9°C).

Average humidity in March
Chiang Mai, Thailand

Average humidity in March - Chiang Mai, Thailand
  • Average humidity in March: 52%

The months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is March (52%).

Average rainfall in March
Chiang Mai, Thailand

Average rainfall in March - Chiang Mai, Thailand
  • Average rainfall in March: 17.8mm

The wettest month (with the highest rainfall) is August (216.9mm).
The driest month (with the least rainfall) is January (4.2mm).

Average rainfall days in March
Chiang Mai, Thailand

Average rainfall days in March - Chiang Mai, Thailand
  • Average rainfall days in March: 2 days

The month with the highest number of rainy days is September (20 days).
The months with the least rainy days are January and December (1 days).

Average daylight in March /
Average sunshine in March
Chiang Mai, Thailand

Average daylight in March / Average sunshine in March - Chiang Mai, Thailand
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The months with the least sunshine are August and September (Average sunshine: 5h and 12min).

Average UV index in March
Chiang Mai, Thailand

Average UV index in March - Chiang Mai, Thailand
  • Average UV index in March: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

Chiang Mai, Thailand

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