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January Weather in Wiang Chai, Thailand

Last updated: August 27, 2025

In Wiang Chai, Thailand, the average temperature in January is a comfortable 21°C (70°F), with daily variations ranging from a minimum of 10°C (49°F) to a pleasant maximum of 33°C (92°F). Visitors can expect an average of 32 mm (1.3 in) of precipitation spread over 4 days, contributing to a balanced average humidity of 51%. Whether you're enjoying sunny days or light showers, January offers a delightful climate for exploration!

January Temperature in Wiang Chai

In January in Wiang Chai, the average temperature is 21°C (70°F), with maximums reaching 33°C (92°F) and minimums dropping to as low as 10°C (49°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the outdoors.

January Weather in Wiang Chai: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Wiang Chai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiang Chai, January typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec707380828484838282807669
Data source: Temperature data for Wiang Chai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Wiang Chai

In Wiang Chai in January, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.

January Precipitation Trends in Wiang Chai

The chart displays monthly precipitation patterns in Wiang Chai, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Wiang Chai, January typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec321381191282032783542291463123
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Wiang Chai

In Wiang Chai in January, humidity is 51%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant embrace, making it comfortable for traveling and exploring without feeling overly sticky or suffocated.

January Average Humidity in Wiang Chai

This chart illustrates the average monthly humidity levels in Wiang Chai, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Wiang Chai is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%46%38%36%64%81%83%91%83%67%61%56%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Wiang Chai

In Wiang Chai in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wiang Chai.

Maximum UV Index Levels in Wiang Chai for January

The chart shows the monthly maximum UV Index (UVI) for Wiang Chai in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Wiang Chai typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131314131414141398
Data source: Wiang Chai January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Wiang Chai Compares to Other Months

Weather in Wiang Chai varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Wiang Chai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Wiang Chai, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)32 mm (1.3 inches)51%very high
February Weather23°C (73°F)13 mm (0.5 inches)46%very high
March Weather27°C (80°F)8 mm (0.3 inches)38%extreme
April Weather28°C (83°F)119 mm (4.7 inches)36%extreme
May Weather29°C (85°F)127 mm (5.0 inches)63%extreme
June Weather29°C (84°F)203 mm (8.0 inches)81%extreme
July Weather28°C (83°F)278 mm (10.9 inches)83%extreme
August Weather28°C (82°F)354 mm (13.9 inches)91%extreme
September Weather28°C (82°F)229 mm (9.0 inches)83%extreme
October Weather26°C (80°F)146 mm (5.8 inches)67%extreme
November Weather24°C (76°F)31 mm (1.2 inches)60%very high
December Weather21°C (70°F)23 mm (0.9 inches)56%very high

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