December weather forecastSanta, Philippines
December
Weather in December
December, the first month of the winter in Santa, is also a hot month, with an average temperature fluctuating between 30.3°C (86.5°F) and 22.5°C (72.5°F).Temperature
The arrival of December is marked by an average high-temperature of a still tropical 30.3°C (86.5°F), bearing a close resemblance to November. Santa, during the month of December, experiences an average low-temperature of 22.5°C (72.5°F).Heat index
The heat index for December is estimated at a sweltering 37°C (98.6°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.In reference to the heat index, it's for places in shade and with a slight wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. 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. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Santa, the average relative humidity in December is 73%.Rainfall
In Santa, during December, the rain falls for 7.8 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 192.8 rainfall days, and 1181mm (46.5") of precipitation is accumulated.Sea temperature
In Santa, the average seawater temperature in December is 28.2°C (82.8°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
December has the shortest days of the year in Santa, Philippines, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 6:12 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 5:34 pm PST.
Sunshine
January and December, with an average of 7.5h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 6, are months with the lowest UV index in Santa. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 during December translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santa, Philippines
- Average high temperature in December: 30.3°C
The warmest month (with the highest average high temperature) is May (32.7°C).
The month with the lowest average high temperature is January (29.3°C).
- Average low temperature in December: 22.5°C
The month with the highest average low temperature is June (24.8°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in December
Santa, Philippines
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is January (1014.4mbar).
The month with the lowest atmospheric pressure is August (1007.1mbar).
Average wind speed in December
Santa, Philippines
- Average wind speed in December: 7.9km/h
The windiest month (with the highest average wind speed) is August (8.6km/h).
The calmest month (with the lowest average wind speed) is November (6.5km/h).
Average humidity in December
Santa, Philippines
- Average humidity in December: 73%
The months with the highest relative humidity are July, August and September (81%).
The month with the lowest relative humidity is March (68%).
Average rainfall in December
Santa, Philippines
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is August (286mm).
The driest month (with the least rainfall) is March (5mm).
Average rainfall days in December
Santa, Philippines
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (28 days).
The month with the least rainy days is January (4.9 days).
Average sea temperature in December
Santa, Philippines
- Average sea temperature in December: 28.2°C
The best months for swimming (with the highest average sea temperature) are May and June (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in December /
Average sunshine in December
Santa, Philippines
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 7h and 30min
The month with the most sunshine is April (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 7h and 30min).
Average sunshine days in December
Santa, Philippines
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is July (2 days).
Average UV index in December
Santa, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in December
Santa, Philippines
- Average cloud cover in December: 18
The month with the most cloud cover is August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in December
Santa, Philippines
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).





