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December Weather in Mae Chai, Thailand

Last updated: August 27, 2025

In Mae Chai, Thailand, the average temperature in December is a pleasant 21°C (71°F). Visitors can expect a range from a cool 7°C (46°F) at night to a warm 32°C (90°F) during the day. The month brings about 21 mm (0.8 in) of precipitation over roughly 4 days, resulting in an overall humidity level of 56%. Prepare accordingly to enjoy the beauty of the season!

December Temperature in Mae Chai

In December in Mae Chai, the average temperature is 21°C (71°F). Maximums can reach 32°C (90°F), while minimums can be as low as 7°C (46°F). This makes Mae Chai a pleasant destination for travelers looking to enjoy mild weather during this time of year.

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

The chart illustrates December temperature patterns in Mae Chai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mae Chai, December typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec717480828483828181797670
Data source: Temperature data for Mae 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 Mae Chai

In Mae Chai in December, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

December Precipitation Trends in Mae Chai

The chart displays monthly precipitation patterns in Mae 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 Mae Chai, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec25951071261712122601821222621
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mae Chai

In Mae Chai in December, humidity is 56%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and outdoor exploration, albeit with a slight stickiness that may encourage travelers to seek shade during the midday sun.

December Average Humidity in Mae Chai

This chart illustrates the average monthly humidity levels in Mae 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 Mae 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 Mae Chai

In Mae 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 Mae Chai.

Maximum UV Index Levels in Mae Chai for December

The chart shows the monthly maximum UV Index (UVI) for Mae 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 Mae Chai typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9101213141414141413108
Data source: Mae 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 Mae Chai Compares to Other Months

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

This table compares monthly weather conditions in Mae Chai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)25 mm (1.0 inches)51%very high
February Weather23°C (74°F)9 mm (0.4 inches)46%very high
March Weather27°C (81°F)5 mm (0.2 inches)38%extreme
April Weather28°C (83°F)107 mm (4.2 inches)36%extreme
May Weather29°C (84°F)126 mm (4.9 inches)63%extreme
June Weather28°C (83°F)171 mm (6.7 inches)81%extreme
July Weather28°C (82°F)212 mm (8.4 inches)83%extreme
August Weather27°C (81°F)260 mm (10.2 inches)91%extreme
September Weather27°C (81°F)182 mm (7.2 inches)83%extreme
October Weather26°C (79°F)122 mm (4.8 inches)67%extreme
November Weather24°C (76°F)26 mm (1.0 inches)60%very high
December Weather21°C (71°F)21 mm (0.8 inches)56%very high

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