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December Weather in Wiang Chai, Thailand

Last updated: August 27, 2025

The average temperature in Wiang Chai, Thailand during December is a pleasant 21°C (70°F). Daily temperatures can vary, with a minimum as low as 7°C (44°F) and a maximum reaching 32°C (90°F). Expect about 23 mm (0.9 in) of precipitation spread across 4 days. The air is moderately humid, with an average humidity of 56%.

December Temperature in Wiang Chai

In December in Wiang Chai, the average temperature is 21°C (70°F). Maximums can reach 32°C (90°F) and minimums can be as low as 7°C (44°F). This range makes Wiang Chai an ideal destination for travelers seeking mild weather and pleasant outdoor activities.

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

The chart illustrates December 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, December typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (44°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.

December Precipitation in Wiang Chai

In Wiang Chai in December, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

December Precipitation Trends in Wiang Chai

The chart displays monthly precipitation patterns in Wiang Chai, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Wiang Chai, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec321381191282032783542291463123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wiang Chai

In Wiang Chai in December, humidity is 56%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor explorations enjoyable yet slightly sweaty, so it's best to stay hydrated and take breaks in the shade while traveling.

December Average Humidity in Wiang Chai

This chart illustrates the average monthly humidity levels in Wiang Chai, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Wiang Chai is approximately 56%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Wiang Chai

In Wiang Chai in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Wiang Chai.

Maximum UV Index Levels in Wiang Chai for December

The chart shows the monthly maximum UV Index (UVI) for Wiang Chai in December, 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 December, the maximum UV index in Wiang Chai typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910131314131414141398
Data source: Wiang Chai December 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 December 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 December’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 December’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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