December weather forecastSan Andres, Philippines

December

Weather in December

December, the first month of the winter in San Andres, is still a warm month, with an average temperature fluctuating between 24.7°C (76.5°F) and 28°C (82.4°F).

Temperature

With the start of December, San Andres measures an average high-temperature of a still moderately hot 28°C (82.4°F), not significantly differing from November's 28.8°C (83.8°F). San Andres, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at a still warm 24.7°C (76.5°F).

Heat index

In December, the heat index is calculated to be a hot 33°C (91.4°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Heat index determinations are made taking into account the shade and light air movements. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

January and December, with an average relative humidity of 84%, are the most humid months in San Andres, Philippines.

Rainfall

December is the month with the most rainfall in San Andres, Philippines. Rain falls for 27.4 days and accumulates 259mm (10.2") of precipitation.

Sea temperature

In San Andres, Philippines, in December, the average water temperature is 28°C (82.4°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

The month with the shortest days in San Andres is December, with an average of 11h and 18min of daylight.
On the first day of the month, sunrise is at 5:51 am and sunset at 5:14 pm. On the last day of December, sunrise is at 6:06 am and sunset at 5:26 pm PST.

Sunshine

In San Andres, the average sunshine in December is 5.6h.

UV index

January and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.

Frequently asked questions

The high-temperature, in December, in San Andres, is 28°C (82.4°F), while the low-temperature averages to 24.7°C (76.5°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 33°C (91.4°F).

January and December, with an average relative humidity of 84%, are most humid months in San Andres.

In San Andres, the average relative humidity in December is 84%.

The month with the most rainfall in San Andres, Philippines, is December, when the rain falls for 27.4 days and typically aggregates up to 259mm (10.2") of precipitation.

In San Andres, Philippines, in December, during 27.4 rainfall days, 259mm (10.2") of precipitation is typically accumulated.

In December, the average sea temperature in San Andres, Philippines, is 28°C (82.4°F). 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.

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

In December, the average day length in San Andres is 11h and 20min.

In December, on the first day of the month, sunrise is at 5:51 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 5:26 pm PST.

In December, the average sunshine duration in San Andres is 5.6h.

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

In San Andres, Philippines, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
San Andres, Philippines

  • Average high temperature in December: 28°C

The warmest month (with the highest average high temperature) is May (30.8°C).
The month with the lowest average high temperature is January (26.8°C).

  • Average low temperature in December: 24.7°C

The months with the highest average low temperature are May and June (25.7°C).
The coldest month (with the lowest average low temperature) is February (23.4°C).

Average pressure in December
San Andres, Philippines

  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is February (1013mbar).
The month with the lowest atmospheric pressure is August (1007.5mbar).

Average wind speed in December
San Andres, Philippines

  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is May (8.4km/h).

Average humidity in December
San Andres, Philippines

  • Average humidity in December: 84%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is May (79%).

Average rainfall in December
San Andres, Philippines

  • Average rainfall in December: 259mm

The wettest month (with the highest rainfall) is December (259mm).
The driest month (with the least rainfall) is April (44mm).

Average rainfall days in December
San Andres, Philippines

  • Average rainfall days in December: 27.4 days

The month with the highest number of rainy days is December (27.4 days).
The month with the least rainy days is August (18.9 days).

Average sea temperature in December
San Andres, Philippines

  • Average sea temperature in December: 28°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 (26.8°C).

Average daylight in December /
Average sunshine in December
San Andres, 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: 5h and 36min

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 6min).

Average sunshine days in December
San Andres, Philippines

  • Average sunshine days in December: 1.5 days

The month with the most sunshine days is August (10.4 days).
The month with the least sunshine days is November (1 days).

Average UV index in December
San Andres, 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
San Andres, Philippines

  • Average cloud cover in December: 56

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
San Andres, Philippines

  • Average visibility in December: 10km

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