Chiang Rai
Thailand
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Chiang Rai, Thailand

The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand, on a beautiful cloudy day panorama
The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand, on a beautiful cloudy day panorama
The first month of the winter, December, is also a moderately hot month in Chiang Rai, Thailand, with temperature in the range of an average low of 13.5°C (56.3°F) and an average high of 27.2°C (81°F).

Temperature

December is the coldest month, with an average high-temperature of 27.2°C (81°F) and an average low-temperature of 13.5°C (56.3°F).

Humidity

In Chiang Rai, the average relative humidity is 77%.

Rainfall

In Chiang Rai, it is raining for 3 days, with typically 14mm (0.6") of accumulated precipitation. Throughout the year, there are 137 rainfall days, and 1690.5mm (66.6") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 10.9h of daylight.

Sunshine

In December, the average sunshine in Chiang Rai is 7h.

UV index

With an average maximum UV index of 7, December is the month with the lowest UV index in Chiang Rai, Thailand. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for average individuals.
The daily maximum UV index of 7 in December interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the coldest month in Chiang Rai?

With an average high-temperature of 27.2°C (81°F) and an average low-temperature of 13.5°C (56.3°F), December is the coldest month in Chiang Rai.

What is the temperature in December in Chiang Rai?

The average high-temperature, in December, in Chiang Rai, is 27.2°C (81°F), while the average low-temperature is 13.5°C (56.3°F).

What is the average humidity in December in Chiang Rai?

The average relative humidity in December is 77%.

How many days does it rain in December in Chiang Rai?

In Chiang Rai, Thailand, in December, during 3 rainfall days, 14mm (0.6") of precipitation is typically accumulated.

What is the month with the shortest days in Chiang Rai?

December has the shortest days of the year in Chiang Rai, Thailand, with an average of 10.9h of daylight.

How many hours of daylight does Chiang Rai have in December?

In Chiang Rai, Thailand, the average length of the day in December is 10.9h.

How long on average sun shines in December in Chiang Rai?

In Chiang Rai, the average sunshine in December is 7h.

What is the month with the lowest UV index in Chiang Rai?

The month with the lowest UV index in Chiang Rai, Thailand, is December, with an average maximum UV index of 7.

What is the UV index intensity in December in Chiang Rai?

In Chiang Rai, Thailand, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Chiang Rai, Thailand
  • Average high temperature in December: 27.2°C

The warmest month (with the highest average high temperature) is April (34.8°C).
The month with the lowest average high temperature is December (27.2°C).

  • Average low temperature in December: 13.5°C

The month with the highest average low temperature is June (23.6°C).
The coldest month (with the lowest average low temperature) is January (12.8°C).

Average humidity in December - Chiang Rai, Thailand
  • Average humidity in December: 77%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is March (62%).

Average rainfall in December - Chiang Rai, Thailand
  • Average rainfall in December: 14mm

The wettest month (with the highest rainfall) is August (358.4mm).
The driest month (with the lowest rainfall) is January (7.5mm).

Average rainfall days in December - Chiang Rai, Thailand
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is August (24 days).
The month with the lowest number of rainy days is February (1 days).

Average daylight in December / Average sunshine in December - Chiang Rai, Thailand
  • Average daylight in December: 10.9h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in December: 7h

The month with most sunshine is February (Average sunshine: 9h).
Months with least sunshine are June, July and August (Average sunshine: 5).

Average UV index in December - Chiang Rai, Thailand
  • Average UV index in December: 7

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 7).