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December Weather in Sap Yai, Thailand

Last updated: August 27, 2025

In Sap Yai, Thailand, the average temperature in December is a pleasant 24°C (75°F). Expect a range from a cool 12°C (53°F) to a warm 34°C (93°F). You'll encounter slight precipitation, with an average of only 7 mm (0.3 in) over about 1 day. The average humidity at this time hovers around 59%, contributing to a comfortable climate overall.

December Temperature in Sap Yai

In December in Sap Yai, the average temperature is 24°C (75°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 12°C (53°F). This mild climate makes it an ideal time for travelers looking to explore the beauty and culture of Sap Yai.

December Weather in Sap Yai: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sap Yai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sap Yai, December typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec767782828282818080807975
Data source: Temperature data for Sap Yai 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 Sap Yai

In Sap Yai in December, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Sap Yai

The chart displays monthly precipitation patterns in Sap Yai, 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 Sap Yai, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec72043100200202276273307187187
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sap Yai

In Sap Yai in December humidity is 59%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities refreshing yet slightly sticky, perfect for leisurely strolls but reminding travelers to stay hydrated.

December Average Humidity in Sap Yai

This chart illustrates the average monthly humidity levels in Sap Yai, 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 Sap Yai 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 Sap Yai

In Sap Yai 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 Sap Yai.

Maximum UV Index Levels in Sap Yai for December

The chart shows the monthly maximum UV Index (UVI) for Sap Yai 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 Sap Yai typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121414141314141413109
Data source: Sap Yai 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 Sap Yai Compares to Other Months

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

This table compares monthly weather conditions in Sap Yai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)7 mm (0.3 inches)50%very high
February Weather25°C (78°F)19 mm (0.8 inches)47%extreme
March Weather28°C (82°F)43 mm (1.7 inches)41%extreme
April Weather28°C (83°F)100 mm (3.9 inches)51%extreme
May Weather28°C (83°F)200 mm (7.9 inches)76%extreme
June Weather28°C (82°F)202 mm (7.9 inches)83%extreme
July Weather27°C (81°F)276 mm (10.9 inches)80%extreme
August Weather27°C (80°F)273 mm (10.7 inches)85%extreme
September Weather27°C (81°F)307 mm (12.1 inches)88%extreme
October Weather27°C (80°F)187 mm (7.4 inches)79%extreme
November Weather26°C (79°F)18 mm (0.7 inches)68%very high
December Weather24°C (75°F)7 mm (0.3 inches)59%very high

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