December weather forecast
Manila, Philippines

A small stream and beautiful garden parks near the city of Manila, Philippines
A small stream and beautiful garden parks near the city of Manila, Philippines

Weather in December

The first month of the winter, December, is also a moderately hot month in Manila, Philippines, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 24.3°C (75.7°F).

Temperature

In December, the average high-temperature is relatively the same as in November - a warm 29.5°C (85.1°F). The average low-temperature,, is 24.3°C (75.7°F).

Heat index

In December, the average heat index is computed to be a very hot 35.4°C (95.7°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like metabolic differences, clothing, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Manila, during December, the rain falls for 11.5 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, there are 185 rainfall days, and 830mm (32.68") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Manila is 28.2°C (82.8°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The month with the shortest days in Manila is December, with an average of 11.3h of daylight.

Sunshine

The average sunshine in Manila is 6.6h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in December in Manila?

In December, in Manila, Philippines, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 24.3°C (75.7°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 35.4°C (95.7°F).

What is the average humidity in December in Manila?

The average relative humidity in December in Manila, Philippines, is 77%.

How many days does it rain in December in Manila?

In Manila, Philippines, during December, the rain falls for 11.5 days and regularly aggregates up to 45mm (1.77") of precipitation.

How warm is the water in December in Manila?

In Manila, Philippines, the average seawater temperature in December is 28.2°C (82.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Manila?

The month with the shortest days is December, with an average of 11.3h of daylight.

What is the average length of the day in December in Manila?

In December, the average length of the day in Manila is 11.3h.

How long on average sun shines in December in Manila?

In December, the average sunshine in Manila, Philippines, is 6.6h.

When is the highest UV index in Manila?

February through December, with an average maximum UV index of 7, are months with the highest UV index in Manila.

What is the UV index reading in December in Manila?

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

Average temperature in December
Manila, Philippines

Average temperature in December - Manila, Philippines
  • Average high temperature in December: 29.5°C

The warmest month (with the highest average high temperature) is May (33.4°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in December: 24.3°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).

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Average pressure in December
Manila, Philippines

Average pressure in December - Manila, Philippines
  • Average pressure in December: 1011.4mbar

The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).

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Average wind speed in December
Manila, Philippines

Average wind speed in December - Manila, Philippines
  • Average wind speed in December: 11.1km/h

The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).

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Average humidity in December
Manila, Philippines

Average humidity in December - Manila, Philippines
  • Average humidity in December: 77%

Months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in December
Manila, Philippines

Average rainfall in December - Manila, Philippines
  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (11mm).

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Average rainfall days in December
Manila, Philippines

Average rainfall days in December - Manila, Philippines
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (7 days).

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Average sea temperature in December
Manila, Philippines

Average sea temperature in December - Manila, Philippines
  • Average sea temperature in December: 28.2°C

The best month for swimming (with the highest average sea temperature) is May (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27°C).

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

Average daylight in December / Average sunshine in December - Manila, Philippines
  • Average daylight in December: 11.3h

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in December: 6.6h

The month with the most sunshine is April (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 6.2h).

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Average sunshine days in December
Manila, Philippines

Average sunshine days in December - Manila, Philippines
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is March (16.9 days).
The month with the least sunshine days is July (7 days).

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Average UV index in December
Manila, Philippines

Average UV index in December - Manila, Philippines
  • Average UV index in December: 7

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

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Average cloud cover in December
Manila, Philippines

Average cloud cover in December - Manila, Philippines
  • Average cloud cover in December: 35

The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 25).

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Average visibility in December
Manila, Philippines

Average visibility in December - Manila, Philippines
  • Average visibility in December: 10km

Months with the highest visibility are February, March, April, May, June and December (10km).
Months with the lowest visibility are January, July, August, September, October and November (9km).

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