December weather forecastRodelas, Brazil
December
Weather in December
December, the first month of the summer in Rodelas, is also a hot month, with temperature in the range of an average high of 33.6°C (92.5°F) and an average low of 22.7°C (72.9°F).Temperature
The arrival of December sees a recorded average high-temperature of a still tropical 33.6°C (92.5°F), showing little divergence from the previous month's conditions. Rodelas experiences a steady low-temperature of 22.7°C (72.9°F) throughout December.Heat index
The heat index value for December is estimated at a torrid 39°C (102.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.For clarity, heat index numbers account for light winds and areas under shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The average relative humidity in December is 55%.Rainfall
In Rodelas, in December, during 9.3 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Rodelas, there are 132.1 rainfall days, and 324mm (12.76") of precipitation is accumulated.Daylight
With an average of 12h and 36min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:06 and sunset at 17:42. On the last day of December, sunrise is at 05:19 and sunset at 17:57 -03.
Sunshine
In Rodelas, Brazil, the average sunshine in December is 9h.UV index
January through March, September through 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 threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 7 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rodelas, Brazil
- Average high temperature in December: 33.6°C
The warmest month (with the highest average high temperature) is November (34.3°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in December: 22.7°C
The months with the highest average low temperature are November and December (22.7°C).
The coldest months (with the lowest average low temperature) are July and August (18.4°C).
Average pressure in December
Rodelas, Brazil
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in December
Rodelas, Brazil
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is September (20.1km/h).
The calmest months (with the lowest average wind speed) are March and April (13.3km/h).
Average humidity in December
Rodelas, Brazil
- Average humidity in December: 55%
The months with the highest relative humidity are June and July (76%).
The month with the lowest relative humidity is November (53%).
Average rainfall in December
Rodelas, Brazil
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is March (70mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in December
Rodelas, Brazil
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is September (5.4 days).
Average daylight in December /
Average sunshine in December
Rodelas, Brazil
- Average daylight in December: 12h and 36min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in December: 9h and 0min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).
Average sunshine days in December
Rodelas, Brazil
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Rodelas, Brazil
- Average UV index in December: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in December
Rodelas, Brazil
- Average cloud cover in December: 29
The month with the most cloud cover is July (Cloud cover 56).
The month with the least cloud cover is November (Cloud cover 25).
Average visibility in December
Rodelas, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (9km).





