December Weather in Phan, Thailand

Last updated: August 27, 2025

The average temperature in Phan, Thailand during December is a pleasant 21°C (70°F). Expect a comfortable range with minimums around 8°C (46°F) and highs reaching 33°C (91°F). While you're there, be prepared for light precipitation, totaling 23 mm (0.9 in) over about 4 days. Enjoy the moderate climate with an average humidity of 56%!

December Temperature in Phan

In December, in Phan, the average temperature is 21°C (70°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 8°C (46°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities while experiencing pleasant weather.

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

The chart illustrates December temperature patterns in Phan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Phan, December typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (46°F).

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

December Precipitation in Phan

In Phan in December, the total precipitation amount is 23 mm (0.9 in) over a span of 4 days.

December Precipitation Trends in Phan

The chart displays monthly precipitation patterns in Phan, 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 Phan, December typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 4 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 Phan

In Phan in December, humidity is 56%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor explorations enjoyable yet slightly sweaty, so it's best to stay hydrated and take breaks in the shade while traveling.

December Average Humidity in Phan

This chart illustrates the average monthly humidity levels in Phan, 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 Phan is approximately 56%, 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 Phan

In Phan 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 Phan.

Maximum UV Index Levels in Phan for December

The chart shows the monthly maximum UV Index (UVI) for Phan 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 Phan typically reaches 8, which falls under the very high exposure category.

Data source: Phan 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 Phan Compares to Other Months

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

This table compares monthly weather conditions in Phan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (71°F)	31 mm (1.2 inches)	51%	very high
February Weather	23°C (74°F)	10 mm (0.4 inches)	46%	very high
March Weather	27°C (81°F)	7 mm (0.3 inches)	38%	extreme
April Weather	28°C (83°F)	129 mm (5.1 inches)	36%	extreme
May Weather	29°C (84°F)	150 mm (5.9 inches)	63%	extreme
June Weather	29°C (84°F)	180 mm (7.1 inches)	81%	extreme
July Weather	28°C (83°F)	239 mm (9.4 inches)	83%	extreme
August Weather	27°C (82°F)	277 mm (10.9 inches)	91%	extreme
September Weather	27°C (82°F)	177 mm (7.0 inches)	83%	extreme
October Weather	26°C (80°F)	116 mm (4.6 inches)	67%	extreme
November Weather	25°C (77°F)	29 mm (1.1 inches)	60%	very high
December Weather	21°C (70°F)	23 mm (0.9 inches)	56%	very high