December weather forecastTrece Martires, Philippines
December
Weather in December
December, the first month of the winter in Trece Martires, is also a moderately hot month, with temperature in the range of an average low of 23.9°C (75°F) and an average high of 29.1°C (84.4°F).Temperature
During December, Trece Martires records an average high-temperature of a still moderately hot 29.1°C (84.4°F), marking a slight divergence from November's 29.8°C (85.6°F). Trece Martires, in the month of December, anticipates a consistent average low-temperature of 23.9°C (75°F).Heat index
In December, the average heat index is calculated to be a torrid 35°C (95°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 10.4 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 174.4 rainfall days, and 414mm (16.3") of precipitation is accumulated.Daylight
The month with the shortest days 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 5:25 pm. On the last day of December, sunrise is at 6:20 am and sunset at 5:38 pm PST.
Sunshine
The average sunshine in December is 6.2h.UV index
January, July and December, with an average maximum UV index of 6, are months with the lowest UV index in Trece Martires. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trece Martires, Philippines
- Average high temperature in December: 29.1°C
The warmest month (with the highest average high temperature) is May (32.4°C).
The month with the lowest average high temperature is January (28°C).
- Average low temperature in December: 23.9°C
The month with the highest average low temperature is May (25.8°C).
The coldest month (with the lowest average low temperature) is February (23°C).
Average pressure in December
Trece Martires, Philippines
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is February (1013mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in December
Trece Martires, Philippines
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is January (13.9km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in December
Trece Martires, Philippines
- Average humidity in December: 79%
The months with the highest relative humidity are July, August and September (84%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Trece Martires, Philippines
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is February (2mm).
Average rainfall days in December
Trece Martires, Philippines
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (25.4 days).
The month with the least rainy days is February (4.3 days).
Average daylight in December /
Average sunshine in December
Trece Martires, Philippines
- Average daylight in December: 11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is April (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Trece Martires, Philippines
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is March (25.2 days).
The month with the least sunshine days is September (3.4 days).
Average UV index in December
Trece Martires, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, August, September, October and November (UV index 7).
The months with the lowest UV index are January, July and December (UV index 6).
Average cloud cover in December
Trece Martires, Philippines
- Average cloud cover in December: 42
The months with the most cloud cover are July and August (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in December
Trece Martires, Philippines
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





