December weather forecast
Batangas, Philippines

December brings the year to a close with cool, crisp weather in Batangas. It joyfully greets the festive season with significantly lower rainfall and humidity. The azure sea still retains warmth but has notably reduced from its mid-year high. Despite the relatively cooler air, sea temperatures remain conducive for watersport activities. The standout signal of December's weather in Batangas is its marked change from the previous wet and humid months, heralding in the drier season for the New Year.

Temperature

December brings a marginal elevation to a still moderately hot 28.3°C (82.9°F) from November's 29.2°C (84.6°F) in Batangas's average high-temperatures. Batangas's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a still moderately hot 24°C (75.2°F).

Heat index

For December, the heat index is estimated at a tropical 33°C (91.4°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Batangas, during December, the rain falls for 21.9 days and regularly aggregates up to 87mm (3.43") of precipitation. Throughout the year, in Batangas, there are 225.7 rainfall days, and 760mm (29.92") of precipitation is accumulated.

Sea temperature

In Batangas, Philippines, the average seawater temperature in December is 27.8°C (82°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

The month with the shortest days in Batangas is December, with an average of 11h and 18min of daylight.
On the first day of December in Batangas, sunrise is at 6:03 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 5:38 pm PST.

Sunshine

In December, the average sunshine in Batangas, Philippines, is 5.6h.

UV index

The months with the lowest UV index in Batangas, Philippines, are January, July, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, an average UV index of 6 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.