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
December
Weather in December
Temperature
Santo Tomas marks the arrival of December with an average high-temperature of a still warm 27.2°C (81°F), hardly different from November's 28.4°C (83.1°F). Santo Tomas experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 22.8°C (73°F) throughout December.Heat index
The heat index for December is appraised at a tropical 31°C (87.8°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
The months with the highest humidity are July, September, October and December, with an average relative humidity of 87%.Rainfall
In Santo Tomas, in December, during 27.1 rainfall days, 153mm (6.02") of precipitation is typically accumulated. Throughout the year, in Santo Tomas, there are 300.8 rainfall days, and 1601mm (63.03") of precipitation is accumulated.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year in Santo Tomas.On the first day of December, sunrise is at 6:03 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
In Santo Tomas, the average sunshine in December is 3.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in December translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Santo Tomas?
What are the most humid months in Santo Tomas?
What is the average humidity in December in Santo Tomas?
How many days does it rain in December in Santo Tomas?
What is the month with the shortest days in Santo Tomas?
How many hours of daylight does Santo Tomas have in December?
When is the sunrise / sunset in December in Santo Tomas?
How many hours of sunshine does Santo Tomas have in December?
When is the lowest UV index in Santo Tomas?
How high is the UV index in December in Santo Tomas?
Average temperature in December
Santo Tomas, Philippines
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is May (31.1°C).
The month with the lowest average high temperature is January (26.2°C).
- Average low temperature in December: 22.8°C
The months with the highest average low temperature are May and June (23.8°C).
The coldest month (with the lowest average low temperature) is February (21.8°C).
Average pressure in December
Santo Tomas, Philippines
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is February (1013.2mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in December
Santo Tomas, Philippines
- Average wind speed in December: 12.1km/h
The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest month (with the lowest average wind speed) is June (6.3km/h).
Average humidity in December
Santo Tomas, Philippines
- Average humidity in December: 87%
The months with the highest relative humidity are July, September, October and December (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in December
Santo Tomas, Philippines
- Average rainfall in December: 153mm
The wettest month (with the highest rainfall) is July (237mm).
The driest months (with the least rainfall) are February and March (44mm).
Average rainfall days in December
Santo Tomas, Philippines
- Average rainfall days in December: 27.1 days
The month with the highest number of rainy days is July (29.2 days).
The month with the least rainy days is April (20.3 days).
Average daylight in December /
Average sunshine in December
Santo Tomas, Philippines
- Average daylight in December: 11h and 2min
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: 3h and 4min
The month with the most sunshine is May (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Santo Tomas, Philippines
- Average sunshine days in December: 2.2 days
The month with the most sunshine days is April (6.8 days).
The months with the least sunshine days are January and July (1.6 days).
Average UV index in December
Santo Tomas, Philippines
- Average UV index in December: 5
The months with the highest UV index are March, April, May, June, August and September (UV index 7).
The month with the lowest UV index is December (UV index 5).
Average cloud cover in December
Santo Tomas, Philippines
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in December
Santo Tomas, Philippines
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are July and September (7km).
