December weather forecastAltavas, Philippines

December

Weather in December

December, the first month of the winter in Altavas, is still a warm month, with an average temperature ranging between max 28.2°C (82.8°F) and min 24.1°C (75.4°F).

Temperature

With the advent of December, Altavas experiences an average high-temperature of a still moderately hot 28.2°C (82.8°F), mirroring a close resemblance to the previous month. During the month of December, Altavas identifies an average nighttime low-temperature of 24.1°C (75.4°F), slightly lower than its daytime counterpart.

Heat index

The heat index for December is evaluated at a tropical 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in December is 85%.

Rainfall

December is the month with the most rainfall. Rain falls for 26.7 days and accumulates 185mm (7.28") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 30min of daylight.
On the first day of the month, sunrise is at 5:54 am and sunset at 5:24 pm. On the last day of December, sunrise is at 6:09 am and sunset at 5:37 pm PST.

Sunshine

In Altavas, the average sunshine in December is 5.9h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 in December translates into these instructions:
Deflect overexposure. Sun protection is a necessity. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Updated: Aug 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Altavas, is 28.2°C (82.8°F), while the average low-temperature is 24.1°C (75.4°F). In December, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 33°C (91.4°F).

In December, the average relative humidity in Altavas is 85%.

December is the month with the most rainfall. Rain falls for 26.7 days and accumulates 185mm (7.28") of precipitation.

In December, the rain falls for 26.7 days. Throughout December, 185mm (7.28") of precipitation is accumulated.

With an average of 11h and 30min of daylight, December has the shortest days of the year.

In Altavas, the average day length in December is 11h and 28min.

On the first day of December, sunrise is at 5:54 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 5:37 pm PST.

In December, the average sunshine duration is 5.9h.

January, February and December, with an average maximum UV index of 6, are months with the lowest UV index.

In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

29.1°C

28.2°C

27°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.9km/h

14.8km/h

16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.7

3.1

2.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Altavas, Philippines

Average high temperature in December: 28.2°C

The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (27°C).

Average low temperature in December: 24.1°C

The month with the highest average low temperature is May (25.5°C).
The coldest months (with the lowest average low temperature) are January and February (23.3°C).

Average pressure in December
Altavas, Philippines

Average pressure in December: 1009.8mbar

The month with the highest atmospheric pressure is February (1012mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).

Average wind speed in December
Altavas, Philippines

Average wind speed in December: 13.8km/h

The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).

Average humidity in December
Altavas, Philippines

Average humidity in December: 85%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Altavas, Philippines

Average rainfall in December: 185mm

The wettest month (with the highest rainfall) is December (185mm).
The driest month (with the least rainfall) is April (52mm).

Average rainfall days in December
Altavas, Philippines

Average rainfall days in December: 26.7 days

The month with the highest number of rainy days is January (26.9 days).
The month with the least rainy days is September (19.8 days).

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

Average daylight in December: 11h and 30min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

Average sunshine in December: 5h and 54min

The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Altavas, Philippines

Average sunshine days in December: 3.1 days

The month with the most sunshine days is August (9.1 days).
The month with the least sunshine days is January (2.1 days).

Average UV index in December
Altavas, Philippines

Average UV index in December: 6

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

Average cloud cover in December
Altavas, Philippines

Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 30).

Average visibility in December
Altavas, 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).