Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The advent of December presents an average high-temperature of a still moderately hot 28.5°C (83.3°F), maintaining a close correlation with the preceding month. In Palo Alto, the December nights are characterized by an average low-temperature of 23.6°C (74.5°F), a minor dip from daytime readings.Heat index
December's heat index is computed to be a tropical 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 remain especially vital for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In December, the average relative humidity in Palo Alto is 82%.Rainfall
In Palo Alto, Philippines, during December, the rain falls for 17.7 days and regularly aggregates up to 36mm (1.42") of precipitation. In Palo Alto, during the entire year, the rain falls for 216.4 days and collects up to 476mm (18.74") of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 18min of daylight.On the first day of the month, sunrise is at 6:04 am and sunset at 5:25 pm. On the last day of December, sunrise is at 6:19 am and sunset at 5:37 pm PST.
Sunshine
The average sunshine in December in Palo Alto is 5.5h.UV index
The months with the lowest UV index are January, August, October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
How hot is December in Palo Alto?
What is the average humidity in December in Palo Alto?
How much does it rain in Palo Alto in December?
What is the month with the shortest days in Palo Alto?
What is the average length of the day in December in Palo Alto?
When is the sunrise / sunset in December in Palo Alto?
How many hours of sunshine does Palo Alto have in December?
When is the lowest UV index in Palo Alto?
How high is the UV index in December in Palo Alto?
Average temperature in December
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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: 5h and 3min
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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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).
Palo Alto, Philippines
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