December weather forecast
Cái Nước, Vietnam

December, the first month of the winter in Cái Nước, is still a warm month, with an average temperature varying between 29.8°C (85.6°F) and 24.1°C (75.4°F).

Temperature

December is the coldest month of the year, registering average temperatures as high as 29.8°C (85.6°F) and as low as 24.1°C (75.4°F).

Heat index

The heat index in December is calculated to be a very hot 36°C (96.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. 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 are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Cái Nước, during December, the rain falls for 19.5 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, there are 239.3 rainfall days, and 911mm (35.87") of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 11h and 36min of daylight.
On the first day of December, sunrise is at 05:59 and sunset at 17:38. On the last day of the month, sunrise is at 06:14 and sunset at 17:51 +07.

Sunshine

With an average of 5.9h of sunshine, December has the least sunshine of the year in Cái Nước.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 7 during December translates into the following guidance:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.