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

October 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
October, like September, is a hot autumn month in Chiang Mai, Thailand, with temperature in the range of an average high of 31.4°C (88.5°F) and an average low of 22.2°C (72°F).

Temperature

In Chiang Mai, the average high-temperature in October is relatively the same as in September - a still hot 31.4°C (88.5°F). In Chiang Mai, in October, the average low-temperature is 22.2°C (72°F).

Heat index

The average heat index is appraised at a blistering 41.9°C (107.4°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 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, differences in body mass, height, and shape, pregnancy). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. 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

The average relative humidity in October is 79%.

Rainfall

In Chiang Mai, in October, it is raining for 14 days, with typically 117.6mm (4.6") of accumulated precipitation. Throughout the year, in Chiang Mai, there are 113 rainfall days, and 1130.6mm (44.5") of precipitation is accumulated.

Daylight

The average length of the day in October is 11.7h.

Sunshine

In Chiang Mai, the average sunshine is 6.4h.

UV index

In Chiang Mai, the average daily maximum UV index in October is 11. A UV Index reading of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 11 in October transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 October in Chiang Mai?

The average high-temperature, in October, is 31.4°C (88.5°F), while the average low-temperature is 22.2°C (72°F). In October, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines air temperature and relative humidity, is calculated to 41.9°C (107.4°F).

What is the average humidity in October in Chiang Mai?

The average relative humidity in October is 79%.

How much does it rain in Chiang Mai in October?

In Chiang Mai, Thailand, during October, the rain falls for 14 days and regularly aggregates up to 117.6mm (4.6") of precipitation.

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

In Chiang Mai, the average length of the day in October is 11.7h.

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

The average sunshine in October in Chiang Mai, Thailand, is 6.4h.

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

In Chiang Mai, the average daily maximum UV index in October is 11. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unprotected exposure to the UV radiation.
Average temperature in October - Chiang Mai, Thailand
  • Average high temperature in October: 31.4°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 October: 22.2°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 October - Chiang Mai, Thailand
  • Average humidity in October: 79%

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

Average rainfall in October - Chiang Mai, Thailand
  • Average rainfall in October: 117.6mm

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 October - Chiang Mai, Thailand
  • Average rainfall days in October: 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 October / Average sunshine in October - Chiang Mai, Thailand
  • Average daylight in October: 11.7h

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 October: 6.4h

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 October - Chiang Mai, Thailand
  • Average UV index in October: 11

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).