December weather forecastUnisan, Philippines
December
Weather in December
December, the first month of the winter in Unisan, is also a moderately hot month, with an average temperature ranging between max 28°C (82.4°F) and min 25.4°C (77.7°F).Temperature
The transition from November to December sees average high-temperatures adjusting to a still warm 28°C (82.4°F), from a not significantly different 28.9°C (84°F). Throughout December, Unisan reports a steady low-temperature average of 25.4°C (77.7°F), slightly lower than its daytime counterpart.Heat index
The heat index value during December is evaluated at a hot 33°C (91.4°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
With an average relative humidity of 83%, December is the most humid month.Rainfall
December is the month with the most rainfall in Unisan. Rain falls for 27.2 days and accumulates 252mm (9.92") of precipitation.Sea temperature
In December, the average sea temperature is 27.7°C (81.9°F).Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.
Daylight
The month with the shortest days is December, with an average of 11h and 18min of daylight.On the first day of December, sunrise is at 5:59 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 5:34 pm PST.
Sunshine
In Unisan, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, Philippines
- Average sea temperature in December: 27.7°C
The best month for swimming (with the highest average sea temperature) is June (29.9°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).
Average daylight in December /
Average sunshine in December
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, 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
Unisan, 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).





