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December Weather in Wan Yai, Thailand

Last updated: August 27, 2025

In December, the average temperature in Wan Yai, Thailand is a pleasant 23°C (73°F). Expect a minimum of 11°C (53°F) and a maximum of 35°C (95°F), allowing for some warm days. The region sees an average of just 5 mm (0.2 in) of precipitation over 1 day, while average humidity sits comfortably at 66%.

December Temperature in Wan Yai

In December in Wan Yai, the average temperature is 23°C (73°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 11°C (53°F). This pleasant climate makes Wan Yai an ideal destination for travelers seeking a comfortable and enjoyable experience.

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

The chart illustrates December temperature patterns in Wan Yai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wan Yai, December typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec737581838484828282807773
Data source: Temperature data for Wan 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 Wan Yai

In Wan Yai in December, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

December Precipitation Trends in Wan Yai

The chart displays monthly precipitation patterns in Wan 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 Wan Yai, December typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec2113968167187392328258168275
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Wan Yai

In Wan Yai in December, humidity is 66%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and plan outdoor activities for cooler times of the day.

December Average Humidity in Wan Yai

This chart illustrates the average monthly humidity levels in Wan 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 Wan Yai is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%54%45%40%65%82%90%92%86%80%72%67%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wan Yai

In Wan 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 Wan Yai.

Maximum UV Index Levels in Wan Yai for December

The chart shows the monthly maximum UV Index (UVI) for Wan 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 Wan Yai typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121415141315141412109
Data source: Wan 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 Wan Yai Compares to Other Months

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

This table compares monthly weather conditions in Wan Yai, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)2 mm (0.1 inches)59%very high
February Weather24°C (75°F)11 mm (0.4 inches)54%extreme
March Weather27°C (81°F)39 mm (1.5 inches)45%extreme
April Weather28°C (83°F)68 mm (2.7 inches)40%extreme
May Weather29°C (84°F)167 mm (6.6 inches)65%extreme
June Weather29°C (84°F)187 mm (7.4 inches)82%extreme
July Weather28°C (82°F)392 mm (15.4 inches)90%extreme
August Weather28°C (82°F)328 mm (12.9 inches)92%extreme
September Weather28°C (82°F)258 mm (10.2 inches)86%extreme
October Weather27°C (80°F)168 mm (6.6 inches)80%extreme
November Weather25°C (77°F)27 mm (1.1 inches)72%very high
December Weather23°C (73°F)5 mm (0.2 inches)66%very high

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