December weather forecast
Ubon Ratchathani, Thailand

December rounds up the year in Ubon Ratchathani, Thailand, with temperatures at their annual nadir. Minimal rainfall of 1mm (0.04") reinforces the conditions of dry season. Despite its cooler temperatures, the weather remains pleasant for outdoor activities and sightseeing. Amidst shorter daylight hours and cooler temperatures, December fosters an atmosphere of holiday cheer in Ubon Ratchathani. By the end of December, conditions signal the closer of the year and preparation for the warmer weather of January.

Temperature

With its high average temperature of 30.6°C (87.1°F) and a low of 17.8°C (64°F), December is regarded as the coldest month.

Heat index

The heat index value during December is evaluated at a very hot 36°C (96.8°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In Ubon Ratchathani, the average relative humidity in December is 68%.

Rainfall

December is the month with the least rainfall in Ubon Ratchathani. Rain falls for 1 days and accumulates 1mm (0.04") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 12min of daylight.
On the first day of December, sunrise is at 06:10 and sunset at 17:28. On the last day of the month, sunrise is at 06:26 and sunset at 17:40 +07.

Sunshine

In Ubon Ratchathani, the average sunshine in December is 8.8h.

UV index

November and December, with an average maximum UV index of 9, are months with the lowest UV index in Ubon Ratchathani, Thailand. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 9 during December leads to these advisories:
Always be cautious. Skin and eyes can be affected swiftly without protection. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise.