December Weather in Long, Thailand

Last updated: August 27, 2025

The average temperature in Long, Thailand during December hovers around 23°C (74°F), making it a pleasant time of year. Expect a minimum of 9°C (49°F) and a maximum of 34°C (94°F), offering a generous range for varying preferences. During this month, anticipate precipitation of 18 mm (0.7 in) over the course of 2 days, contributing to an average humidity level of 55%. Ideal for outdoor adventures!

December Temperature in Long

In December in Long, the average temperature is 23°C (74°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as 9°C (49°F). Be prepared for both warm days and cooler nights when planning your travels.

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

The chart illustrates December temperature patterns in Long, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (49°F).

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

December Precipitation in Long

In Long in December, the precipitation amount is 18 mm (0.7 in) over the course of 2 days.

December Precipitation Trends in Long

The chart displays monthly precipitation patterns in Long, 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 Long, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 2 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 Long

In Long in December humidity is 55%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, creating a comfortable atmosphere for exploring the sights and indulging in outdoor activities.

December Average Humidity in Long

This chart illustrates the average monthly humidity levels in Long, 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 Long is approximately 55%, 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 Long

In Long 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 Long.

Maximum UV Index Levels in Long for December

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

Data source: Long 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 Long Compares to Other Months

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

This table compares monthly weather conditions in Long, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	23 mm (0.9 inches)	51%	very high
February Weather	25°C (77°F)	11 mm (0.4 inches)	48%	extreme
March Weather	28°C (84°F)	8 mm (0.3 inches)	45%	extreme
April Weather	29°C (85°F)	87 mm (3.4 inches)	49%	extreme
May Weather	29°C (85°F)	148 mm (5.8 inches)	71%	extreme
June Weather	28°C (84°F)	223 mm (8.8 inches)	84%	extreme
July Weather	28°C (82°F)	237 mm (9.3 inches)	84%	extreme
August Weather	27°C (81°F)	371 mm (14.6 inches)	87%	extreme
September Weather	27°C (82°F)	247 mm (9.7 inches)	84%	extreme
October Weather	27°C (81°F)	166 mm (6.5 inches)	71%	extreme
November Weather	26°C (79°F)	30 mm (1.2 inches)	62%	very high
December Weather	23°C (74°F)	18 mm (0.7 inches)	55%	very high