December weather forecastGumaca, Philippines
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Gumaca, Philippines, with an average temperature varying between 25.4°C (77.7°F) and 28°C (82.4°F).Temperature
Gumaca experiences a transition to a still moderately hot 28°C (82.4°F) in average high-temperatures with the arrival of December, not greatly differing from November's 28.9°C (84°F). Gumaca's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of 25.4°C (77.7°F).Heat index
The heat index in December is computed to be a tropical 33°C (91.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
December is the most humid month, with an average relative humidity of 83%.Rainfall
The month with the most rainfall is December, when the rain falls for 27.2 days and typically aggregates up to 252mm (9.92") of precipitation.Sea temperature
In December, the average sea temperature in Gumaca is 27.6°C (81.7°F).Note: Between the temperatures of 25°C (77°F) and 29°C (84.2°F), water is considered very warm, providing pleasure in water activities without discomfort over lengthy periods.
Daylight
The month with the shortest days is December, with an average of 11h and 18min of daylight.On the first day of December in Gumaca, sunrise is at 5:59 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 5:34 pm PST.
Sunshine
The average sunshine in December in Gumaca, Philippines, is 4.8h.UV index
January, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Gumaca. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during December translates into the following guidance:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gumaca, Philippines
- Average high temperature in December: 28°C
The warmest month (with the highest average high temperature) is May (31.1°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in December: 25.4°C
The month with the highest average low temperature is June (26.7°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).
Average pressure in December
Gumaca, Philippines
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is February (1013.3mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in December
Gumaca, Philippines
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is May (8.3km/h).
Average humidity in December
Gumaca, Philippines
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Gumaca, Philippines
- Average rainfall in December: 252mm
The wettest month (with the highest rainfall) is December (252mm).
The driest month (with the least rainfall) is April (65mm).
Average rainfall days in December
Gumaca, Philippines
- Average rainfall days in December: 27.2 days
The months with the highest number of rainy days are October and November (27.7 days).
The month with the least rainy days is February (18.5 days).
Average sea temperature in December
Gumaca, Philippines
- Average sea temperature in December: 27.6°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.5°C).
Average daylight in December /
Average sunshine in December
Gumaca, Philippines
- Average daylight in December: 11h and 18min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Gumaca, Philippines
- Average sunshine days in December: 1.9 days
The month with the most sunshine days is April (6.6 days).
The month with the least sunshine days is November (1 days).
Average UV index in December
Gumaca, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in December
Gumaca, Philippines
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is May (Cloud cover 31).
Average visibility in December
Gumaca, Philippines
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August and October (10km).
The months with the lowest visibility are July, September, November and December (9km).
