December weather forecastSimunul, Philippines
December
Weather in December
December, the first month of the winter in Simunul, is also a moderately hot month, with an average temperature varying between 28.5°C (83.3°F) and 27.9°C (82.2°F).Temperature
As December takes hold, the average high-temperature is a still warm 28.5°C (83.3°F), nearly mirroring that of the previous month. Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 27.9°C (82.2°F) during December.Heat index
The heat index in December is evaluated at a tropical 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in December in Simunul, Philippines, is 77%.Rainfall
In Simunul, in December, it is raining for 24.2 days, with typically 115mm (4.53") of accumulated precipitation. In Simunul, Philippines, during the entire year, the rain falls for 235.8 days and collects up to 886mm (34.88") of precipitation.Sea temperature
In Simunul, the average seawater temperature in December is 28.8°C (83.8°F).Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.
Daylight
With an average of 11h and 48min of daylight, December has the shortest days of the year in Simunul.On the first day of December, sunrise is at 5:53 am and sunset at 5:45 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 5:59 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7.4h of sunshine.UV index
The months with the highest UV index in Simunul, Philippines, are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 7 translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Simunul, Philippines
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is May (29.4°C).
The month with the lowest average high temperature is February (27.9°C).
- Average low temperature in December: 27.9°C
The month with the highest average low temperature is May (28.4°C).
The coldest month (with the lowest average low temperature) is February (26.9°C).
Average pressure in December
Simunul, Philippines
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is February (1010.1mbar).
The months with the lowest atmospheric pressure are November and December (1008.6mbar).
Average wind speed in December
Simunul, Philippines
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is May (10km/h).
Average humidity in December
Simunul, Philippines
- Average humidity in December: 77%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are May, June, September and October (74%).
Average rainfall in December
Simunul, Philippines
- Average rainfall in December: 115mm
The wettest month (with the highest rainfall) is January (122mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in December
Simunul, Philippines
- Average rainfall days in December: 24.2 days
The month with the highest number of rainy days is December (24.2 days).
The month with the least rainy days is September (17.6 days).
Average sea temperature in December
Simunul, Philippines
- Average sea temperature in December: 28.8°C
The best month for swimming (with the highest average sea temperature) is June (29.7°C).
The coldest month (with the lowest average sea temperature) is January (28.1°C).
Average daylight in December /
Average sunshine in December
Simunul, Philippines
- Average daylight in December: 11h and 48min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in December: 7h and 24min
The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Simunul, Philippines
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is May (11.7 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in December
Simunul, Philippines
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Simunul, Philippines
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 32).
Average visibility in December
Simunul, 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).





