December weather forecast
Bacolor, Philippines

December, the first month of the winter in Bacolor, is still a warm month, with an average temperature ranging between min 22.1°C (71.8°F) and max 29.7°C (85.5°F).

Temperature

December's onset records an average high-temperature of a moderately hot 29.7°C (85.5°F), a near match to November's 30.4°C (86.7°F). Throughout the nights in December, Bacolor experiences an average low-temperature of 22.1°C (71.8°F).

Heat index

In December, the heat index is calculated to be a sweltering 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Research indicates the heat index considers values in shaded locales and with light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Bacolor, Philippines, in December, it is raining for 15.2 days, with typically 65mm (2.56") of accumulated precipitation. In Bacolor, during the entire year, the rain falls for 225.8 days and collects up to 1023mm (40.28") of precipitation.

Daylight

December has the shortest days of the year in Bacolor, with an average of 11h and 18min of daylight.
On the first day of December, sunrise is at 6:07 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:38 pm PST.

Sunshine

The average sunshine in December is 6.5h.

UV index

January, July, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Bacolor. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.