December Weather in Cha-uat, Thailand

Last updated: August 27, 2025

In Cha-uat, Thailand, the average temperature in December is a warm 27°C (80°F), with minimums dipping to 21°C (70°F) and maximums soaring to 34°C (93°F). Expect 243 mm (9.6 in) of precipitation over 20 days, contributing to an average humidity of 84%. Prepare for a humid and rainy month!

December Temperature in Cha-uat

In December in Cha-uat, the average temperature is 27°C (80°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 21°C (70°F). This makes it an ideal time for travelers seeking warm and pleasant weather for outdoor activities.

December Weather in Cha-uat: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cha-uat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cha-uat, December typically has an average temperature of 27°C (80°F), with highs reaching up to 34°C (93°F) and lows dropping to around 21°C (70°F).

Data source: Temperature data for Cha-uat generated using information from the Copernicus Climate Change Service.

December Precipitation in Cha-uat

In Cha-uat in December, the precipitation amount is 243 mm (9.6 in) spread over 20 days.

December Precipitation Trends in Cha-uat

The chart displays monthly precipitation patterns in Cha-uat, 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 Cha-uat, December typically receives around 243 mm (9.6 inches) of precipitation spread over approximately 20 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Cha-uat

In Cha-uat in December, humidity is 84%. With an average temperature of 27°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel sluggish and exhausting.

December Average Humidity in Cha-uat

This chart illustrates the average monthly humidity levels in Cha-uat, 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 Cha-uat is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cha-uat

In Cha-uat in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Cha-uat.

Maximum UV Index Levels in Cha-uat for December

The chart shows the monthly maximum UV Index (UVI) for Cha-uat 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 Cha-uat typically reaches 11, which falls under the extreme exposure category.

Data source: Cha-uat 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 Cha-uat Compares to Other Months

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

This table compares monthly weather conditions in Cha-uat, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	138 mm (5.4 inches)	76%	extreme
February Weather	27°C (81°F)	35 mm (1.4 inches)	73%	extreme
March Weather	28°C (83°F)	46 mm (1.8 inches)	74%	extreme
April Weather	29°C (84°F)	150 mm (5.9 inches)	71%	extreme
May Weather	29°C (84°F)	172 mm (6.8 inches)	72%	extreme
June Weather	28°C (83°F)	134 mm (5.3 inches)	79%	extreme
July Weather	29°C (84°F)	116 mm (4.6 inches)	79%	extreme
August Weather	28°C (83°F)	117 mm (4.6 inches)	82%	extreme
September Weather	28°C (82°F)	181 mm (7.1 inches)	84%	extreme
October Weather	27°C (82°F)	247 mm (9.7 inches)	83%	extreme
November Weather	27°C (81°F)	317 mm (12.5 inches)	84%	extreme
December Weather	27°C (80°F)	243 mm (9.6 inches)	84%	extreme