December weather forecastVigário Geral, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Vigário Geral, Brazil, with an average temperature ranging between max 28.9°C (84°F) and min 21.8°C (71.2°F).Temperature
The arrival of December brings an average high-temperature of a still moderately hot 28.9°C (84°F), nearly identical to November's 26.8°C (80.2°F). Vigário Geral experiences an average low-temperature of 21.8°C (71.2°F) in month of December.Heat index
For December, the heat index is estimated at a fiery hot 35°C (95°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
In Vigário Geral, the average relative humidity in December is 81%.Rainfall
In Vigário Geral, during December, the rain falls for 23.8 days and regularly aggregates up to 84mm (3.31") of precipitation. In Vigário Geral, Brazil, during the entire year, the rain falls for 205.4 days and collects up to 637mm (25.08") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 30min of daylight.On the first day of the month, sunrise is at 04:59 and sunset at 18:25. On the last day of December, sunrise is at 05:11 and sunset at 18:41 -03.
Sunshine
In December, the average sunshine in Vigário Geral is 7.8h.UV index
January and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 during December translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vigário Geral, Brazil
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The month with the lowest average high temperature is July (24.1°C).
- Average low temperature in December: 21.8°C
The month with the highest average low temperature is January (22.3°C).
The coldest month (with the lowest average low temperature) is August (16.9°C).
Average pressure in December
Vigário Geral, Brazil
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in December
Vigário Geral, Brazil
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in December
Vigário Geral, Brazil
- Average humidity in December: 81%
The months with the highest relative humidity are March, April, May and November (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Vigário Geral, Brazil
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is June (24mm).
Average rainfall days in December
Vigário Geral, Brazil
- Average rainfall days in December: 23.8 days
The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is August (10.2 days).
Average daylight in December /
Average sunshine in December
Vigário Geral, Brazil
- Average daylight in December: 13h and 30min
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: 7h and 48min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in December
Vigário Geral, Brazil
- Average sunshine days in December: 4.9 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in December
Vigário Geral, Brazil
- Average UV index in December: 7
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).
Average cloud cover in December
Vigário Geral, Brazil
- Average cloud cover in December: 43
The month with the most cloud cover is November (Cloud cover 50).
The months with the least cloud cover are February, July and August (Cloud cover 31).
Average visibility in December
Vigário Geral, Brazil
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
