December brings the coolest weather to
Nakhon Ratchasima, with temperatures dipping down to 18.3°C (64.9°F) in the night. The decrease in daylight duration and the increase in sunshine hours signify the advent of winter. December sees the least rainfall all year, offering unobstructed outdoor activities. Winter vibes greet the city with shorter days, cool nights, high sunshine, and virtually no rainfall. Despite its location near the equator, Nakhon Ratchasima enjoys a fairly moderate December, making it a welcoming destination for visitors seeking a warm winter getaway.
Temperature
In Nakhon Ratchasima, the month of December is known for its lowest average temperatures, reaching a high of 29.3°C (84.7°F) and a low of 18.3°C (64.9°F).
Heat index
The heat index value during December is appraised at a tropical 33°C (91.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Nakhon Ratchasima, the average relative humidity in December is 66%.
Rainfall
The month with the least rainfall in Nakhon Ratchasima,
Thailand, is December, when the rain falls for 1 days and typically collects 3mm (0.12") of precipitation.
Daylight
The month with the shortest days is December, with an average of 11h and 18min of daylight.
On the first day of December, sunrise is at 06:21 and sunset at 17:39. On the last day of the month, sunrise is at 06:36 and sunset at 17:52 +07.
Sunshine
In December, the average sunshine in Nakhon Ratchasima is 9.1h.
UV index
The month with the lowest UV index in Nakhon Ratchasima is December, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 9 suggests this advice:
Always stay safe. Unprotected skin and eyes can get damaged rapidly. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Sunscreen of at least SPF 30 should be applied generously and reapplied often on overcast days, especially post swim or outdoor exercise.