December weather forecast
Mandaluyong, Philippines

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Weather in December

December sets the stage for Mandaluyong's 'winter', which maintains a tropical climate with lower temperatures than previous months and rainfall averaging at 39mm (1.54"). Despite the reduced temperatures, December retains a pleasantly high sea temperature of 27.8°C (82°F). The city enjoys 14.3 sunshine days and a frequent clear sky with maintained visibility of 10km (6.2mi). As December transitions into the new year, expect less rainfall and stable wind conditions to bail Mandaluyong into January.

Temperature

As Mandaluyong transitions into December, the average high-temperature stands at a moderately hot 29.4°C (84.9°F), offering little variation from the preceding month. Mandaluyong notes a steady average temperature of 24.5°C (76.1°F) during the nights of December.

Heat index

December's heat index is estimated at a torrid 35°C (95°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 are extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Mandaluyong, the average relative humidity in December is 77%.

Rainfall

In Mandaluyong, Philippines, in December, during 10.4 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 171.4 rainfall days, and 715mm (28.15") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Mandaluyong, Philippines, is 27.8°C (82°F).
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

December has the shortest days of the year in Mandaluyong, with an average of 11h and 18min of daylight.
On the first day of December, sunrise is at 6:05 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 5:37 pm PST.

Sunshine

The average sunshine in December in Mandaluyong is 6.5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 6 transforms into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Be wary! Reflections from sand and water make UV radiation more intense.

Frequently asked questions

Is it hot in Mandaluyong during December?

In December, in Mandaluyong, the average high-temperature is 29.4°C (84.9°F), and the average low-temperature is 24.5°C (76.1°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 35°C (95°F).

What is the average humidity in December in Mandaluyong?

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

How much does it rain in Mandaluyong in December?

In Mandaluyong, in December, it is raining for 10.4 days, with typically 39mm (1.54") of accumulated precipitation.

How warm is the water in December in Mandaluyong?

In December, the average sea temperature is 27.8°C (82°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Mandaluyong?

With an average of 11h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Mandaluyong have in December?

In December, the average day length in Mandaluyong, Philippines, is 11h and 17min.

When are sunrise and sunset in December in Mandaluyong?

On the first day of December in Mandaluyong, sunrise is at 6:05 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 5:37 pm PST.

How long on average sun shines in December in Mandaluyong?

The average sunshine duration in December in Mandaluyong, Philippines, is 6.5h.

When is the lowest UV index in Mandaluyong?

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

What is the UV index intensity in December in Mandaluyong?

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

Average temperature in December
Mandaluyong, Philippines

Average temperature in December - Mandaluyong, Philippines
  • Average high temperature in December: 29.4°C

The warmest month (with the highest average high temperature) is May (33.3°C).
The month with the lowest average high temperature is January (28.2°C).

  • Average low temperature in December: 24.5°C

The month with the highest average low temperature is May (26.4°C).
The coldest months (with the lowest average low temperature) are January and February (23.2°C).

Average pressure in December
Mandaluyong, Philippines

Average pressure in December - Mandaluyong, Philippines
  • Average pressure in December: 1011.3mbar

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
Mandaluyong, Philippines

Average wind speed in December - Mandaluyong, Philippines
  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is January (12.1km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).

Average humidity in December
Mandaluyong, Philippines

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

The months with the highest relative humidity are July, August and September (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in December
Mandaluyong, Philippines

Average rainfall in December - Mandaluyong, Philippines
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is August (143mm).
The driest month (with the least rainfall) is February (9mm).

Average rainfall days in December
Mandaluyong, Philippines

Average rainfall days in December - Mandaluyong, Philippines
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is July (23.5 days).
The month with the least rainy days is February (5.9 days).

Average sea temperature in December
Mandaluyong, Philippines

Average sea temperature in December - Mandaluyong, Philippines
  • Average sea temperature in December: 27.8°C

The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).

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

Average daylight in December / Average sunshine in December - Mandaluyong, Philippines
  • Average daylight in December: 11h and 2min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Mandaluyong, Philippines

Average sunshine days in December - Mandaluyong, Philippines
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is July (5.9 days).

Average UV index in December
Mandaluyong, Philippines

Average UV index in December - Mandaluyong, Philippines
  • Average UV index in December: 6

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

Average cloud cover in December
Mandaluyong, Philippines

Average cloud cover in December - Mandaluyong, Philippines
  • Average cloud cover in December: 36

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

Average visibility in December
Mandaluyong, Philippines

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

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

Mandaluyong, Philippines

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