December weather forecast
Guiguinto, Philippines

The first month of the winter, December, is also a moderately hot month in Guiguinto, Philippines, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 29.7°C (85.5°F).

Temperature

The advent of December presents an average high-temperature of a warm 29.7°C (85.5°F), maintaining a close correlation with the preceding month. Throughout December, a steady low-temperature average of 23.5°C (74.3°F) is noted.

Heat index

December's average heat index is evaluated at a sweltering 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Guiguinto, Philippines, in December, it is raining for 14.5 days, with typically 54mm (2.13") of accumulated precipitation. In Guiguinto, during the entire year, the rain falls for 245.4 days and collects up to 1578mm (62.13") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 18min of daylight.
On the first day of December in Guiguinto, sunrise is at 6:06 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 5:37 pm PST.

Sunshine

The average sunshine in December is 6.6h.

UV index

The months with the lowest UV index in Guiguinto are January, July and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during December leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.