December weather forecastCalamba, Philippines
December
Weather in December
The first month of the winter, December, is still a warm month in Calamba, Philippines, with an average temperature varying between 23.6°C (74.5°F) and 28.5°C (83.3°F).Temperature
Calamba marks the onset of December with an average high-temperature of a still moderately hot 28.5°C (83.3°F), subtly divergent from November's 29.3°C (84.7°F). Calamba upholds a consistent average temperature of 23.6°C (74.5°F) throughout the nights of December.Heat index
Throughout December, the heat index is calculated to be a hot 34°C (93.2°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity is 82%.Rainfall
In December, in Calamba, Philippines, the rain falls for 17.7 days. Throughout December, 36mm (1.42") of precipitation is accumulated. In Calamba, during the entire year, the rain falls for 216.4 days and collects up to 476mm (18.74") of precipitation.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:04 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 5:37 pm PST.
Sunshine
The average sunshine in December in Calamba, Philippines, is 5.5h.UV index
January, August, October 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 risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calamba, Philippines
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is May (32.2°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in December: 23.6°C
The month with the highest average low temperature is May (25.2°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).
Average pressure in December
Calamba, Philippines
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in December
Calamba, Philippines
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is May (6.7km/h).
Average humidity in December
Calamba, Philippines
- Average humidity in December: 82%
The month with the highest relative humidity is September (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Calamba, Philippines
- Average rainfall in December: 36mm
The wettest months (with the highest rainfall) are June and July (69mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in December
Calamba, Philippines
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (10.3 days).
Average daylight in December /
Average sunshine in December
Calamba, Philippines
- Average daylight in December: 11h and 18min
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: 5h and 30min
The month with the most sunshine is April (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Calamba, Philippines
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is April (10.3 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in December
Calamba, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, September and November (UV index 7).
The months with the lowest UV index are January, August, October and December (UV index 6).
Average cloud cover in December
Calamba, Philippines
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in December
Calamba, Philippines
- Average visibility in December: 10km
The months with the highest visibility are February, March, April and December (10km).
The months with the lowest visibility are July and September (8km).
