Chiang Mai
Thailand
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Chiang Mai, Thailand

The stunning aerial panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain in Chiang Mai, Thailand
The stunning aerial panorama of the fantastic Two Pagoda on top of the Doi Inthanon mountain in Chiang Mai, Thailand
The last month of the spring, Mayo, is also a hot month in Chiang Mai, Thailand, with average temperature fluctuating between 34.2°C (93.6°F) and 23.8°C (74.8°F).

Temperature

In Chiang Mai, the average high-temperature is practically the same as in Abril - a hot 34.2°C (93.6°F). In Chiang Mai, the average low-temperature is 23.8°C (74.8°F).

Heat index

In Mayo, the average heat index is appraised at a life-threatening hot 48°C (118.4°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, pregnancy, clothing, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In Chiang Mai, Thailand, the average relative humidity is 71%.

Rainfall

In Chiang Mai, during Mayo, the rain falls for 14 days and regularly aggregates up to 162mm (6.38") of precipitation. In Chiang Mai, during the entire year, the rain falls for 113 days and collects up to 1130.6mm (44.51") of precipitation.

Daylight

In Mayo, the average length of the day is 13h.

Sunshine

In Mayo, the average sunshine in Chiang Mai is 7h.

UV index

Months with the highest UV index are Marzo through Septiembre, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 12 in Mayo interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in Mayo in Chiang Mai?

In Chiang Mai, in Mayo, the average high-temperature is 34.2°C (93.6°F), and the average low-temperature is 23.8°C (74.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in Mayo is evaluated at 48°C (118.4°F).

What is the average humidity in Mayo in Chiang Mai?

In Mayo, the average relative humidity is 71%.

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

In Chiang Mai, during Mayo, the rain falls for 14 days and regularly aggregates up to 162mm (6.38") of precipitation.

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

In Chiang Mai, the average length of the day in Mayo is 13h.

How many hours of sunshine does Chiang Mai have in Mayo?

In Mayo, the average sunshine in Chiang Mai, Thailand, is 7h.

What is the month with the highest UV index in Chiang Mai?

Months with the highest UV index in Chiang Mai, Thailand, are Marzo through Septiembre, with an average maximum UV index of 12.

How high is the UV index in Mayo in Chiang Mai?

In Mayo, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Chiang Mai, Thailand
  • Average high temperature in May: 34.2°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 May: 23.8°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 May - Chiang Mai, Thailand
  • Average humidity in May: 71%

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

Average rainfall in May - Chiang Mai, Thailand
  • Average rainfall in May: 162mm

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

Average rainfall days in May - Chiang Mai, Thailand
  • Average rainfall days in May: 14 days

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

Average daylight in May / Average sunshine in May - Chiang Mai, Thailand
  • Average daylight in May: 13h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in May: 7h

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are August and September (Average sunshine: 5.2).

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

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).