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December Weather in Sainyabuli, Laos

Last updated: August 23, 2025

In Sainyabuli, Laos, the average temperature in December hovers around 20°C (68°F), with a minimum of 4°C (40°F) and a maximum reaching 31°C (88°F). During this month, expect about 17 mm (0.7 in) of precipitation over 2 days, contributing to an average humidity of 60%. Enjoy the pleasant weather while preparing for occasional showers!

December Temperature in Sainyabuli

In December in Sainyabuli, the average temperature is 20°C (68°F). Maximums can reach 31°C (88°F), and minimums can be as low as 4°C (40°F). This climate makes Sainyabuli an ideal destination for travelers seeking a comfortable range of temperatures for outdoor activities.

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

The chart illustrates December temperature patterns in Sainyabuli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainyabuli, December typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec687176788080797979777368
Data source: Temperature data for Sainyabuli 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 Sainyabuli

In Sainyabuli in December, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

December Precipitation Trends in Sainyabuli

The chart displays monthly precipitation patterns in Sainyabuli, 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 Sainyabuli, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec241616901182323374232621642417
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sainyabuli

In Sainyabuli in December, humidity is 60%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making traveling quite comfortable yet slightly sticky, perfect for leisurely strolls but reminding you to stay hydrated.

December Average Humidity in Sainyabuli

This chart illustrates the average monthly humidity levels in Sainyabuli, 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 Sainyabuli is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%53%45%39%66%79%90%92%85%72%64%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sainyabuli

In Sainyabuli in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Sainyabuli.

Maximum UV Index Levels in Sainyabuli for December

The chart shows the monthly maximum UV Index (UVI) for Sainyabuli 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 Sainyabuli typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313141415151412108
Data source: Sainyabuli 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 Sainyabuli Compares to Other Months

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

This table compares monthly weather conditions in Sainyabuli, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)24 mm (1.0 inches)57%very high
February Weather22°C (71°F)16 mm (0.6 inches)53%extreme
March Weather25°C (76°F)16 mm (0.6 inches)45%extreme
April Weather26°C (79°F)90 mm (3.6 inches)39%extreme
May Weather27°C (80°F)118 mm (4.7 inches)66%extreme
June Weather27°C (80°F)232 mm (9.1 inches)79%extreme
July Weather26°C (80°F)337 mm (13.3 inches)90%extreme
August Weather26°C (79°F)423 mm (16.7 inches)92%extreme
September Weather26°C (79°F)262 mm (10.3 inches)85%extreme
October Weather25°C (77°F)164 mm (6.5 inches)72%extreme
November Weather23°C (74°F)24 mm (0.9 inches)64%very high
December Weather20°C (68°F)17 mm (0.7 inches)60%very high

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