January weather forecast
Chiang Rai, Thailand

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The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand
The White Temple of Wat Rong Khun with a waterfront fishpond in Chiang Rai, Thailand

Weather in January

The new year in Chiang Rai, Thailand, offers an enjoyable ambience in January, where residents and tourists get to experience mellow weather. The temperatures reveal a mild climate, transitioning from 12.8°C (55°F) up to 28.6°C (83.5°F). There's a cheerful sunny disposition about the days, with comfortable levels of humidity. Rainfall remains relatively minimal, ensuring plenty of opportunities for outdoor activities. The serene weather, along with the traditional Thai charm, makes Chiang Rai an attractive destination in January.

Temperature

With the advent of January, Chiang Rai experiences an average high-temperature of a still warm 28.6°C (83.5°F), mirroring a close resemblance to the previous month. Despite the significant gap from daytime peaks, Chiang Rai experiences an average low-temperature of 12.8°C (55°F) in January.

Heat index

January's average heat index is appraised at a hot 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in January is 75%.

Rainfall

January is the month with the least rainfall. Rain falls for 2 days and accumulates 8mm (0.31") of precipitation.

Daylight

The average length of the day in January is 11h and 5min.
On the first day of January, sunrise is at 06:55 and sunset at 17:52. On the last day of the month, sunrise is at 06:56 and sunset at 18:11 +07.

Sunshine

In Chiang Rai, the average sunshine in January is 8h.

UV index

In Chiang Rai, the average daily maximum UV index in January is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 8 during January translates into the following directions:
Swift harm can befall unprotected skin and eyes. Prioritize safety. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

How hot is January?

In Chiang Rai, 28.6°C (83.5°F) is the average high-temperature and 12.8°C (55°F) is the average low-temperature during January. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in January is appraised at 33°C (91.4°F).

What is the average humidity in January?

In Chiang Rai, the average relative humidity in January is 75%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2 days and accumulates 8mm (0.31") of precipitation.

How much does it rain in January?

In Chiang Rai, in January, it is raining for 2 days, with typically 8mm (0.31") of accumulated precipitation.

What is the average length of the day in January in Chiang Rai?

The average day length in January is 11h and 5min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 06:55 and sunset at 17:52. On the last day of the month, in Chiang Rai, sunrise is at 06:56 and sunset at 18:11 +07.

How many hours of sunshine does Chiang Rai have in January?

In January, the average sunshine duration is 8h.

What is the UV index reading in January?

In Chiang Rai, the average daily maximum UV index in January is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Chiang Rai, Thailand

Average temperature in January - Chiang Rai, Thailand
  • Average high temperature in January: 28.6°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 January: 12.8°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 January
Chiang Rai, Thailand

Average humidity in January - Chiang Rai, Thailand
  • Average humidity in January: 75%

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

Average rainfall in January
Chiang Rai, Thailand

Average rainfall in January - Chiang Rai, Thailand
  • Average rainfall in January: 7.5mm

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

Average rainfall days in January
Chiang Rai, Thailand

Average rainfall days in January - Chiang Rai, Thailand
  • Average rainfall days in January: 2 days

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

Average daylight in January /
Average sunshine in January
Chiang Rai, Thailand

Average daylight in January / Average sunshine in January - Chiang Rai, Thailand
  • Average daylight in January: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in January: 8h

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

Average UV index in January
Chiang Rai, Thailand

Average UV index in January - Chiang Rai, Thailand
  • Average UV index in January: 8

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 7).

Chiang Rai, Thailand

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