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 transition from November to December brings an average high-temperature of a still warm 27.1°C (80.8°F), barely different from November's 26.6°C (79.9°F). Nighttime temperatures consistently average an enjoyable 18.2°C (64.8°F) during December.Heat index
During December, the heat index is estimated at a tropical 30°C (86°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In December, the average relative humidity is 83%.Rainfall
In Vargem, Brazil, during December, the rain falls for 27.6 days and regularly aggregates up to 179mm (7.05") of precipitation. In Vargem, during the entire year, the rain falls for 215.2 days and collects up to 1257mm (49.49") 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 05:11 and sunset at 18:38. On the last day of December, sunrise is at 05:23 and sunset at 18:54 -03.
Sunshine
In Vargem, the average sunshine in December is 8h.UV index
January through September and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in December translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vargem in December?
What is the average humidity in December in Vargem?
How many days does it rain in December in Vargem?
When are the longest days in Vargem?
How many hours of daylight does Vargem have in December?
When are sunrise and sunset in December in Vargem?
How long on average sun shines in December in Vargem?
What are the months with the lowest UV index in Vargem?
What is the UV index reading in December in Vargem?
Average temperature in December
Vargem, Brazil
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is October (27.4°C).
The month with the lowest average high temperature is June (21.6°C).
- Average low temperature in December: 18.2°C
The month with the highest average low temperature is December (18.2°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in December
Vargem, Brazil
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Vargem, Brazil
- Average wind speed in December: 8.1km/h
The windiest months (with the highest average wind speed) are September and October (9.5km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in December
Vargem, Brazil
- Average humidity in December: 83%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (68%).
Average rainfall in December
Vargem, Brazil
- Average rainfall in December: 179mm
The wettest month (with the highest rainfall) is January (239mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Vargem, Brazil
- Average rainfall days in December: 27.6 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (6.8 days).
Average daylight in December /
Average sunshine in December
Vargem, 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 0min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).
Average sunshine days in December
Vargem, Brazil
- Average sunshine days in December: 2.5 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is January (1.6 days).
Average UV index in December
Vargem, Brazil
- Average UV index in December: 5
The months with the highest UV index are October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 5).
Average cloud cover in December
Vargem, Brazil
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Vargem, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
Vargem, Brazil
Weather forecast for your location
2. Allow the app to use your location