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December Weather in Chaiyo, Thailand

Last updated: August 27, 2025

In Chaiyo, Thailand, the average temperature in December is a warm 27°C (81°F). Expect minimums around 15°C (60°F) and maximums soaring up to 38°C (100°F). During this month, you'll encounter a precipitation amount of 12 mm (0.5 in) over 2 days, while average humidity hovers around 59%. Stay prepared for a mix of summer warmth and occasional showers!

December Temperature in Chaiyo

In December in Chaiyo, the average temperature is 27°C (81°F). Maximums can reach 38°C (100°F) and minimums can be as low as 15°C (60°F). It's a great time to visit for warm weather lovers, but be prepared for both heat and cooler evenings.

December Weather in Chaiyo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Chaiyo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaiyo, December typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec828487888787868584848381
Data source: Temperature data for Chaiyo 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 Chaiyo

In Chaiyo in December, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

December Precipitation Trends in Chaiyo

The chart displays monthly precipitation patterns in Chaiyo, 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 Chaiyo, December typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec131342911521241852002822044212
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chaiyo

In Chaiyo in December humidity is 59%. With an average temperature of 27°C (81°F), this humidity feels like a warm, tropical embrace, making it perfect for leisurely strolls but a bit sticky for extended outdoor activities.

December Average Humidity in Chaiyo

This chart illustrates the average monthly humidity levels in Chaiyo, 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 Chaiyo is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%41%51%76%83%80%86%88%79%68%59%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chaiyo

In Chaiyo in December, 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 Chaiyo.

Maximum UV Index Levels in Chaiyo for December

The chart shows the monthly maximum UV Index (UVI) for Chaiyo 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 Chaiyo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131314141312109
Data source: Chaiyo 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 Chaiyo Compares to Other Months

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

This table compares monthly weather conditions in Chaiyo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)13 mm (0.5 inches)50%very high
February Weather29°C (84°F)13 mm (0.5 inches)47%extreme
March Weather31°C (88°F)42 mm (1.7 inches)41%extreme
April Weather31°C (88°F)91 mm (3.6 inches)51%extreme
May Weather31°C (87°F)152 mm (6.0 inches)76%extreme
June Weather31°C (87°F)124 mm (4.9 inches)83%extreme
July Weather30°C (86°F)185 mm (7.3 inches)80%extreme
August Weather29°C (85°F)200 mm (7.9 inches)85%extreme
September Weather29°C (84°F)282 mm (11.1 inches)88%extreme
October Weather29°C (84°F)203 mm (8.0 inches)79%extreme
November Weather28°C (83°F)42 mm (1.7 inches)68%very high
December Weather27°C (81°F)12 mm (0.5 inches)59%very high

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