December Weather in Wiang Sa, Thailand

Last updated: August 27, 2025

In December in Wiang Sa, Thailand, the average temperature hovers around 26°C (79°F), with a minimum dipping to 19°C (67°F) and a maximum reaching 34°C (93°F). Prepare for humidity levels at a humid 83% and anticipate precipitation of 168 mm (6.6 in) over 17 days—making it a month when both sun and rain are likely to play a role in your plans!

December Temperature in Wiang Sa

In December in Wiang Sa, the average temperature is 26°C (79°F). Maximums can reach 34°C (93°F) and minimums can be as low as 19°C (67°F). This pleasant warm climate makes Wiang Sa an ideal destination for outdoor activities and exploration during this time.

December Weather in Wiang Sa: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Wiang Sa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wiang Sa, December typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 19°C (67°F).

Data source: Temperature data for Wiang Sa generated using information from the Copernicus Climate Change Service.

December Precipitation in Wiang Sa

In Wiang Sa in December, the total precipitation amount is 168 mm (6.6 in), occurring over the course of 17 days.

December Precipitation Trends in Wiang Sa

The chart displays monthly precipitation patterns in Wiang Sa, 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 Wiang Sa, December typically receives around 168 mm (6.6 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Wiang Sa

In Wiang Sa in December, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

December Average Humidity in Wiang Sa

This chart illustrates the average monthly humidity levels in Wiang Sa, 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 Wiang Sa is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Wiang Sa

In Wiang Sa in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Wiang Sa.

Maximum UV Index Levels in Wiang Sa for December

The chart shows the monthly maximum UV Index (UVI) for Wiang Sa 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 Wiang Sa typically reaches 11, which falls under the extreme exposure category.

Data source: Wiang Sa 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 Wiang Sa Compares to Other Months

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

This table compares monthly weather conditions in Wiang Sa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	133 mm (5.2 inches)	72%	extreme
February Weather	27°C (82°F)	20 mm (0.8 inches)	68%	extreme
March Weather	29°C (84°F)	47 mm (1.9 inches)	68%	extreme
April Weather	29°C (84°F)	201 mm (7.9 inches)	69%	extreme
May Weather	28°C (82°F)	256 mm (10.1 inches)	77%	extreme
June Weather	27°C (82°F)	170 mm (6.7 inches)	86%	extreme
July Weather	27°C (82°F)	154 mm (6.1 inches)	86%	extreme
August Weather	27°C (81°F)	189 mm (7.4 inches)	88%	extreme
September Weather	27°C (80°F)	222 mm (8.8 inches)	87%	extreme
October Weather	27°C (80°F)	329 mm (12.9 inches)	86%	extreme
November Weather	26°C (80°F)	311 mm (12.3 inches)	87%	extreme
December Weather	26°C (79°F)	168 mm (6.6 inches)	83%	extreme