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 average high-temperature during December registers at a still warm 28.2°C (82.8°F), maintaining a close resemblance to the previous month. Throughout the month of December, the nighttime temperature dips to an average of 23°C (73.4°F).Heat index
The heat index value for December is estimated at a tropical 33°C (91.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Todos os Santos, the average relative humidity in December is 81%.Rainfall
In Todos os Santos, in December, it is raining for 21.9 days, with typically 98mm (3.86") of accumulated precipitation. In Todos os Santos, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 04:59 and sunset at 18:25. On the last day of the month, sunrise is at 05:10 and sunset at 18:41 -03.
Sunshine
In Todos os Santos, the average sunshine in December is 8.3h.UV index
In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 6 in December suggests the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot is December in Todos os Santos?
What is the average humidity in December in Todos os Santos?
How much does it rain in Todos os Santos in December?
When are the longest days in Todos os Santos?
How many hours of daylight does Todos os Santos have in December?
What time are sunrise and sunset in December in Todos os Santos?
How many hours of sunshine does Todos os Santos have in December?
How high is the UV index in December in Todos os Santos?
Average temperature in December
Todos os Santos, Brazil
- Average high temperature in December: 28.2°C
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in December: 23°C
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in December
Todos os Santos, Brazil
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in December
Todos os Santos, Brazil
- Average wind speed in December: 9.5km/h
The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).
Average humidity in December
Todos os Santos, Brazil
- Average humidity in December: 81%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Todos os Santos, Brazil
- Average rainfall in December: 98mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in December
Todos os Santos, Brazil
- Average rainfall days in December: 21.9 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).
Average daylight in December /
Average sunshine in December
Todos os Santos, Brazil
- Average daylight in December: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 8h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in December
Todos os Santos, Brazil
- Average sunshine days in December: 4.8 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in December
Todos os Santos, Brazil
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in December
Todos os Santos, Brazil
- Average cloud cover in December: 39
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).
Average visibility in December
Todos os Santos, Brazil
- Average visibility in December: 9km
The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).
Todos os Santos, Brazil
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