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December Weather in Khon San, Thailand

Last updated: August 27, 2025

In December, the average temperature in Khon San, Thailand is a pleasant 22°C (73°F). Visitors can expect a minimum temperature of 8°C (48°F) and a maximum reaching up to 34°C (94°F). Rainfall is relatively light, with precipitation totaling 8 mm (0.3 in) spread over just 2 days. The average humidity sits comfortably at 57%, making it an ideal time to explore the area!

December Temperature in Khon San

In December in Khon San, the average temperature is 22°C (73°F). Maximums can reach 34°C (94°F) and minimums can be as low as 8°C (48°F). This range makes it an ideal time for travelers looking to enjoy both warm and cool weather activities.

December Weather in Khon San: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Khon San, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Khon San, December typically has an average temperature of 22°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec747681838383828281807772
Data source: Temperature data for Khon San 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 Khon San

In Khon San in December, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

December Precipitation Trends in Khon San

The chart displays monthly precipitation patterns in Khon San, 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 Khon San, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec7124077160146193185211148218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Khon San

In Khon San in December humidity is 57%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace, making it perfect for leisurely exploration and outdoor activities, though travelers may want to stay hydrated and take breaks in shaded areas.

December Average Humidity in Khon San

This chart illustrates the average monthly humidity levels in Khon San, 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 Khon San is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%49%39%40%69%81%83%87%86%74%63%57%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Khon San

In Khon San 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 Khon San.

Maximum UV Index Levels in Khon San for December

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

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

This table compares monthly weather conditions in Khon San, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)7 mm (0.3 inches)52%very high
February Weather24°C (76°F)12 mm (0.5 inches)49%extreme
March Weather27°C (82°F)40 mm (1.6 inches)39%extreme
April Weather28°C (83°F)77 mm (3.0 inches)40%extreme
May Weather28°C (83°F)160 mm (6.3 inches)69%extreme
June Weather28°C (83°F)146 mm (5.8 inches)81%extreme
July Weather28°C (83°F)193 mm (7.6 inches)83%extreme
August Weather28°C (82°F)185 mm (7.3 inches)87%extreme
September Weather27°C (81°F)211 mm (8.3 inches)86%extreme
October Weather26°C (80°F)148 mm (5.8 inches)74%extreme
November Weather25°C (77°F)21 mm (0.8 inches)63%very high
December Weather22°C (73°F)8 mm (0.3 inches)57%very high

Compare Khon San's Climate with Cities Worldwide