December weather forecastMatalam, Philippines

December

Weather in December

December, the first month of the winter in Matalam, is also a hot month, with an average temperature varying between 21.9°C (71.4°F) and 32.4°C (90.3°F).

Temperature

December denotes a minimal variation in the average high-temperature to a still tropical 32.4°C (90.3°F) from November's 32.5°C (90.5°F). In the month of December, the average low-temperature usually rests at an agreeable 21.9°C (71.4°F).

Heat index

During December, the heat index is evaluated at a life-threatening hot 45°C (113°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
Given the heat index, its values are aligned with shaded sites and gentle winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' 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. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Matalam, the average relative humidity in December is 78%.

Rainfall

In Matalam, Philippines, in December, during 17.3 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 233.6 rainfall days, and 667mm (26.26") of precipitation is accumulated.

Daylight

With an average of 11h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 5:37 am and sunset at 5:21 pm. On the last day of December, in Matalam, sunrise is at 5:51 am and sunset at 5:34 pm PST.

Sunshine

In December, the average sunshine is 9h.

UV index

The months with the highest UV index in Matalam, Philippines, are January through May, August through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

The average high-temperature, in December, in Matalam, is 32.4°C (90.3°F), while the average low-temperature is 21.9°C (71.4°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is evaluated at 45°C (113°F).

In Matalam, the average relative humidity in December is 78%.

In December, the rain falls for 17.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated.

With an average of 11h and 42min of daylight, December has the shortest days of the year.

In Matalam, the average day length in December is 11h and 43min.

On the first day of December, sunrise is at 5:37 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 5:34 pm PST.

In December, the average sunshine duration in Matalam is 9h.

The months with the highest UV index in Matalam, Philippines, are January through May, August through December, with an average maximum UV index of 7.

The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Matalam, Philippines

  • Average high temperature in December: 32.4°C

The warmest month (with the highest average high temperature) is April (34.2°C).
The month with the lowest average high temperature is January (31.6°C).

  • Average low temperature in December: 21.9°C

The months with the highest average low temperature are May and November (22.3°C).
The coldest months (with the lowest average low temperature) are July and September (21.1°C).

Average pressure in December
Matalam, Philippines

  • Average pressure in December: 1009.4mbar

The month with the highest atmospheric pressure is February (1011mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).

Average wind speed in December
Matalam, Philippines

  • Average wind speed in December: 3.7km/h

The windiest month (with the highest average wind speed) is February (4.8km/h).
The calmest month (with the lowest average wind speed) is June (3km/h).

Average humidity in December
Matalam, Philippines

  • Average humidity in December: 78%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is March (71%).

Average rainfall in December
Matalam, Philippines

  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (93mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in December
Matalam, Philippines

  • Average rainfall days in December: 17.3 days

The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is February (11.8 days).

Average daylight in December /
Average sunshine in December
Matalam, Philippines

  • Average daylight in December: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in December: 9h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 8h and 12min).

Average sunshine days in December
Matalam, Philippines

  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is February (14.2 days).
The month with the least sunshine days is June (4.7 days).

Average UV index in December
Matalam, Philippines

  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 6).

Average cloud cover in December
Matalam, Philippines

  • Average cloud cover in December: 36

The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 33).

Average visibility in December
Matalam, Philippines

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April and December (9km).
The months with the lowest visibility are May, June, July, August, September, October and November (8km).