December weather forecast
Calarian, Philippines

The first month of the winter, December, is also a moderately hot month in Calarian, Philippines, with an average temperature fluctuating between 29.4°C (84.9°F) and 25.4°C (77.7°F).

Temperature

As Calarian, Philippines, welcomes December, the average high-temperature is noted at a still moderately hot 29.4°C (84.9°F), closely aligning with the preceding month. A minimal decline in temperature from daytime highs is anticipated in Calarian, Philippines throughout the December nights, averaging a still warm 25.4°C (77.7°F).

Heat index

The heat index value during December is estimated at a torrid 36°C (96.8°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in December in Calarian is 80%.

Rainfall

In Calarian, during December, the rain falls for 26.4 days and regularly aggregates up to 153mm (6.02") of precipitation. Throughout the year, in Calarian, there are 302.7 rainfall days, and 2012mm (79.21") of precipitation is accumulated.

Daylight

With an average of 11h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 5:48 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 5:46 pm PST.

Sunshine

The average sunshine in December is 8.1h.

UV index

The months with the highest UV index in Calarian are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Calarian. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 7 in December, converts into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.