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December Weather in Si Somdet, Thailand

Last updated: August 27, 2025

In December, the average temperature in Si Somdet, Thailand is a pleasant 24°C (76°F). Expect variations with a minimum of 11°C (52°F) and a maximum of 35°C (96°F). The month sees about 7 mm (0.3 in) of precipitation over just 1 day, while the average humidity hovers around 68%.

December Temperature in Si Somdet

In December in Si Somdet, the average temperature is 24°C (76°F). Maximums can reach 35°C (96°F), while minimums can drop as low as 11°C (52°F). This climate makes Si Somdet an ideal destination for travelers seeking warm weather with the option to experience cooler evenings.

December Weather in Si Somdet: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Si Somdet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Si Somdet, December typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (96°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec767884858585848383817976
Data source: Temperature data for Si Somdet 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 Si Somdet

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

December Precipitation Trends in Si Somdet

The chart displays monthly precipitation patterns in Si Somdet, 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 Si Somdet, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec493772163137264212308174277
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Si Somdet

In Si Somdet 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 Si Somdet

This chart illustrates the average monthly humidity levels in Si Somdet, 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 Si Somdet 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 Si Somdet

In Si Somdet 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 Si Somdet.

Maximum UV Index Levels in Si Somdet for December

The chart shows the monthly maximum UV Index (UVI) for Si Somdet 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 Si Somdet typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414151315141312109
Data source: Si Somdet 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 Si Somdet Compares to Other Months

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

This table compares monthly weather conditions in Si Somdet, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)4 mm (0.2 inches)56%very high
February Weather26°C (78°F)9 mm (0.3 inches)50%extreme
March Weather29°C (84°F)37 mm (1.5 inches)41%extreme
April Weather29°C (85°F)72 mm (2.8 inches)44%extreme
May Weather29°C (85°F)163 mm (6.4 inches)71%extreme
June Weather30°C (86°F)137 mm (5.4 inches)83%extreme
July Weather29°C (84°F)264 mm (10.4 inches)87%extreme
August Weather29°C (84°F)211 mm (8.3 inches)90%extreme
September Weather28°C (83°F)308 mm (12.1 inches)89%extreme
October Weather27°C (81°F)174 mm (6.9 inches)83%extreme
November Weather26°C (79°F)27 mm (1.1 inches)74%very high
December Weather24°C (76°F)7 mm (0.3 inches)68%very high

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