December weather forecastVargem Alta, Brazil
December
Weather in December
December, the first month of the summer in Vargem Alta, is still a warm month, with an average temperature varying between 28.5°C (83.3°F) and 20.3°C (68.5°F).Temperature
December's advent notes a subtle adjustment in average high-temperature to a still moderately hot 28.5°C (83.3°F) from November. During December, the nighttime temperature averages of 20.3°C (68.5°F).Heat index
During December, the heat index is estimated at a tropical 34°C (93.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 highly critical for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In December, the average relative humidity is 85%.Rainfall
In Vargem Alta, Brazil, in December, during 23.6 rainfall days, 135mm (5.31") of precipitation is typically accumulated. In Vargem Alta, during the entire year, the rain falls for 207.5 days and collects up to 823mm (32.4") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 24min of daylight.On the first day of December in Vargem Alta, sunrise is at 04:54 and sunset at 18:12. On the last day of the month, sunrise is at 05:06 and sunset at 18:28 -03.
Sunshine
In December, the average sunshine in Vargem Alta is 8.2h.UV index
The months with the highest UV index are January through March, August, October and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vargem Alta, Brazil
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The months with the lowest average high temperature are June and July (24.6°C).
- Average low temperature in December: 20.3°C
The months with the highest average low temperature are January, February and December (20.3°C).
The coldest month (with the lowest average low temperature) is July (15.3°C).
Average pressure in December
Vargem Alta, Brazil
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in December
Vargem Alta, Brazil
- Average wind speed in December: 7km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest months (with the lowest average wind speed) are April and May (5.8km/h).
Average humidity in December
Vargem Alta, Brazil
- Average humidity in December: 85%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Vargem Alta, Brazil
- Average rainfall in December: 135mm
The wettest month (with the highest rainfall) is November (137mm).
The driest months (with the least rainfall) are July and August (18mm).
Average rainfall days in December
Vargem Alta, Brazil
- Average rainfall days in December: 23.6 days
The month with the highest number of rainy days is March (24.2 days).
The month with the least rainy days is July (10.3 days).
Average daylight in December /
Average sunshine in December
Vargem Alta, Brazil
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 8h and 12min
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 6min).
Average sunshine days in December
Vargem Alta, Brazil
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in December
Vargem Alta, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, August, October and December (UV index 6).
The months with the lowest UV index are April, May, June, July, September and November (UV index 5).
Average cloud cover in December
Vargem Alta, Brazil
- Average cloud cover in December: 47
The month with the most cloud cover is November (Cloud cover 54).
The months with the least cloud cover are January and February (Cloud cover 33).
Average visibility in December
Vargem Alta, Brazil
- Average visibility in December: 8km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (7km).





