December weather forecastSan Marcelino, Philippines
December
Weather in December
The first month of the winter, December, is still a warm month in San Marcelino, Philippines, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 24.2°C (75.6°F).Temperature
As November transitions into December, San Marcelino records an average high-temperature of a still moderately hot 29.3°C (84.7°F), showing a gentle shift from the preceding month. San Marcelino, in December, experiences an average temperature of 24.2°C (75.6°F) at night.Heat index
December's mean heat index is estimated at a torrid 35°C (95°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.The standards for the heat index are set for locations in shade and under light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In December, the average relative humidity in San Marcelino is 77%.Rainfall
In San Marcelino, during December, the rain falls for 13.5 days and regularly aggregates up to 58mm (2.28") of precipitation. In San Marcelino, during the entire year, the rain falls for 237.5 days and collects up to 1892mm (74.49") of precipitation.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:08 am and sunset at 5:27 pm. On the last day of December, in San Marcelino, sunrise is at 6:24 am and sunset at 5:39 pm PST.
Sunshine
In December, the average sunshine is 7h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index in San Marcelino, Philippines. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 7 in December translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Marcelino, Philippines
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is May (31.4°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in December: 24.2°C
The month with the highest average low temperature is May (26.4°C).
The coldest months (with the lowest average low temperature) are January and February (23°C).
Average pressure in December
San Marcelino, Philippines
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in December
San Marcelino, Philippines
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is January (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in December
San Marcelino, Philippines
- Average humidity in December: 77%
The months with the highest relative humidity are August and September (83%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in December
San Marcelino, Philippines
- Average rainfall in December: 58mm
The wettest month (with the highest rainfall) is August (424mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in December
San Marcelino, Philippines
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (8.9 days).
Average daylight in December /
Average sunshine in December
San Marcelino, 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: 7h and 0min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
San Marcelino, Philippines
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is July (1.5 days).
Average UV index in December
San Marcelino, Philippines
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in December
San Marcelino, Philippines
- Average cloud cover in December: 27
The month with the most cloud cover is August (Cloud cover 53).
The months with the least cloud cover are February and March (Cloud cover 23).
Average visibility in December
San Marcelino, Philippines
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).
