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December Weather in Rattanaburi, Thailand

Last updated: August 27, 2025

In Rattanaburi, Thailand, the average temperature in December is a pleasant 24°C (76°F). Expect minimums of 12°C (55°F) and maximums reaching 34°C (94°F). With an average humidity of 68%, the weather can feel quite comfortable. During this month, anticipate 11 mm (0.4 in) of precipitation over approximately 2 days, so it’s wise to be prepared for occasional rain!

December Temperature in Rattanaburi

In December in Rattanaburi, the average temperature is 24°C (76°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 12°C (55°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates December temperature patterns in Rattanaburi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rattanaburi, December typically has an average temperature of 24°C (76°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884858585848382817976
Data source: Temperature data for Rattanaburi 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 Rattanaburi

In Rattanaburi in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in Rattanaburi

The chart displays monthly precipitation patterns in Rattanaburi, 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 Rattanaburi, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec61330711571232362593031773511
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rattanaburi

In Rattanaburi in December humidity is 68%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace that makes traveling both invigorating and slightly exhausting, as the air clings to your skin and encourages leisurely breaks in the shade.

December Average Humidity in Rattanaburi

This chart illustrates the average monthly humidity levels in Rattanaburi, 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 Rattanaburi is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%41%44%71%84%87%90%89%83%74%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rattanaburi

In Rattanaburi 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 Rattanaburi.

Maximum UV Index Levels in Rattanaburi for December

The chart shows the monthly maximum UV Index (UVI) for Rattanaburi 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 Rattanaburi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414151314141413109
Data source: Rattanaburi 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 Rattanaburi Compares to Other Months

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

This table compares monthly weather conditions in Rattanaburi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)6 mm (0.2 inches)56%very high
February Weather26°C (78°F)13 mm (0.5 inches)50%extreme
March Weather29°C (84°F)30 mm (1.2 inches)41%extreme
April Weather29°C (85°F)71 mm (2.8 inches)44%extreme
May Weather29°C (85°F)157 mm (6.2 inches)71%extreme
June Weather29°C (85°F)123 mm (4.8 inches)83%extreme
July Weather29°C (84°F)235 mm (9.3 inches)87%extreme
August Weather28°C (83°F)259 mm (10.2 inches)90%extreme
September Weather28°C (83°F)303 mm (11.9 inches)89%extreme
October Weather27°C (81°F)177 mm (7.0 inches)83%extreme
November Weather26°C (79°F)35 mm (1.4 inches)74%very high
December Weather24°C (76°F)11 mm (0.4 inches)68%very high

Compare Rattanaburi's Climate with Cities Worldwide