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
Santana da Boa Vista, Brazil, commences December with an average high-temperature of a still moderately hot 29.3°C (84.7°F), maintaining a close resemblance to the previous month. Throughout the month of December, Santana da Boa Vista observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 16.9°C (62.4°F).Heat index
In December, the heat index is appraised at a hot 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
December is the least humid month in Santana da Boa Vista, Brazil, with an average relative humidity of 70%.Rainfall
In Santana da Boa Vista, in December, during 13.7 rainfall days, 92mm (3.62") of precipitation is typically accumulated. Throughout the year, in Santana da Boa Vista, Brazil, there are 151.2 rainfall days, and 1030mm (40.55") of precipitation is accumulated.Daylight
The month with the longest days in Santana da Boa Vista, Brazil, is December, with an average of 14h and 6min of daylight.On the first day of December in Santana da Boa Vista, sunrise is at 05:21 and sunset at 19:21. On the last day of the month, sunrise is at 05:32 and sunset at 19:39 -03.
Sunshine
The months with the most sunshine are November and December, with an average of 8.3h of sunshine.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Santana da Boa Vista. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 6 in December leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Santana da Boa Vista in December?
What is the least humid month in Santana da Boa Vista?
What is the average humidity in December in Santana da Boa Vista?
How many days does it rain in December in Santana da Boa Vista?
When are the longest days in Santana da Boa Vista?
What is the average length of the day in December in Santana da Boa Vista?
What time are sunrise and sunset in December in Santana da Boa Vista?
What is the month with the most sunshine in Santana da Boa Vista?
How many hours of sunshine does Santana da Boa Vista have in December?
When is the highest UV index in Santana da Boa Vista?
What is the UV index intensity in December in Santana da Boa Vista?
Average temperature in December
Santana da Boa Vista, Brazil
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in December: 16.9°C
The month with the highest average low temperature is February (18.4°C).
The coldest month (with the lowest average low temperature) is July (7.8°C).
Average pressure in December
Santana da Boa Vista, Brazil
- Average pressure in December: 1010.8mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in December
Santana da Boa Vista, Brazil
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is September (14.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in December
Santana da Boa Vista, Brazil
- Average humidity in December: 70%
The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is December (70%).
Average rainfall in December
Santana da Boa Vista, Brazil
- Average rainfall in December: 92mm
The wettest month (with the highest rainfall) is January (112mm).
The driest month (with the least rainfall) is August (61mm).
Average rainfall days in December
Santana da Boa Vista, Brazil
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is January (16.4 days).
The month with the least rainy days is June (10.8 days).
Average daylight in December /
Average sunshine in December
Santana da Boa Vista, Brazil
- Average daylight in December: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 8h and 2min
The months with the most sunshine are November and December (Average sunshine: 8h and 18min).
The month with the least sunshine is May (Average sunshine: 6h and 42min).
Average sunshine days in December
Santana da Boa Vista, Brazil
- Average sunshine days in December: 15.5 days
The months with the most sunshine days are June and July (18.1 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Santana da Boa Vista, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in December
Santana da Boa Vista, Brazil
- Average cloud cover in December: 34
The month with the most cloud cover is May (Cloud cover 44).
The month with the least cloud cover is November (Cloud cover 32).
Average visibility in December
Santana da Boa Vista, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (9km).
The months with the lowest visibility are May and July (8km).
