December weather forecast
New Manila, Philippines

The first month of the winter, December, is still a warm month in New Manila, Philippines, with an average temperature fluctuating between 24.3°C (75.7°F) and 29.5°C (85.1°F).

Temperature

The unfolding of December shows an average high-temperature of a moderately hot 29.5°C (85.1°F), indicating a slight variance from November's 30.5°C (86.9°F). New Manila, during the month of December, experiences an average low-temperature of 24.3°C (75.7°F).

Heat index

The heat index value for December is estimated at a fiery hot 35°C (95°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The average relative humidity in December in New Manila is 77%.

Rainfall

In December, the rain falls for 7.2 days. Throughout December, 14mm (0.55") of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 342mm (13.46") of precipitation is accumulated.

Daylight

The month with the shortest days in New Manila is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 6:05 am and sunset at 5:24 pm. On the last day of December, sunrise is at 6:20 am and sunset at 5:37 pm PST.

Sunshine

In New Manila, the average sunshine in December is 6.6h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Shield from overexposure. Defense against sun-related harm is required. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.