December weather forecastMariana, Philippines
December
Weather in December
December, the first month of the winter in Mariana, is also a moderately hot month, with an average temperature fluctuating between 24.3°C (75.7°F) and 29.5°C (85.1°F).Temperature
The beginning of December records an average high-temperature of a moderately hot 29.5°C (85.1°F), almost echoing the conditions of the previous month. Mariana records an average temperature drop to 24.3°C (75.7°F) in December.Heat index
The heat index in December is evaluated at a torrid 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The average relative humidity in December in Mariana, Philippines, is 77%.Rainfall
In Mariana, during December, the rain falls for 7.2 days and regularly aggregates up to 14mm (0.55") of precipitation. In Mariana, during the entire year, the rain falls for 154.9 days and collects up to 349mm (13.74") of precipitation.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 5:24 pm. On the last day of December, sunrise is at 6:20 am and sunset at 5:37 pm PST.
Sunshine
In Mariana, the average sunshine in December is 6.6h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 7 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mariana, Philippines
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is May (33.3°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in December: 24.3°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).
Average pressure in December
Mariana, Philippines
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in December
Mariana, Philippines
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is January (11.5km/h).
The calmest month (with the lowest average wind speed) is May (7.4km/h).
Average humidity in December
Mariana, Philippines
- Average humidity in December: 77%
The month with the highest relative humidity is August (81%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Mariana, Philippines
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is February (3mm).
Average rainfall days in December
Mariana, Philippines
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is February (3.9 days).
Average daylight in December /
Average sunshine in December
Mariana, 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 36min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in December
Mariana, Philippines
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is March (18 days).
The month with the least sunshine days is June (6.4 days).
Average UV index in December
Mariana, 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
Mariana, Philippines
- Average cloud cover in December: 35
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in December
Mariana, 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).
