December weather forecastCaatinga do Atanásio, Brazil
December
Weather in December
The first month of the summer, December, is also a hot month in Caatinga do Atanásio, Brazil, with an average temperature varying between 34.9°C (94.8°F) and 24.5°C (76.1°F).Temperature
December's advent presents an average high-temperature of a tropical 34.9°C (94.8°F), indicating a slight variation from the conditions of the previous month. In the month of December, Caatinga do Atanásio records a consistent average low-temperature of 24.5°C (76.1°F).Heat index
In December, the heat index is estimated at a burning hot 45°C (113°F). Keep wary: Heat cramps along with heat exhaustion are expected. Heatstroke is a possible outcome of ongoing activity.Understand that the heat index values take into account shaded locations and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in December is 60%.Rainfall
In December, the rain falls for 6.3 days. Throughout December, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 127 rainfall days, and 344mm (13.54") of precipitation is accumulated.Daylight
With an average of 12h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:09 and sunset at 17:34. On the last day of December, sunrise is at 05:22 and sunset at 17:49 -03.
Sunshine
In December, the average sunshine is 8.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in December interprets into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caatinga do Atanásio, Brazil
- Average high temperature in December: 34.9°C
The warmest month (with the highest average high temperature) is October (36°C).
The month with the lowest average high temperature is June (32°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is December (24.5°C).
The coldest months (with the lowest average low temperature) are July and August (21.6°C).
Average pressure in December
Caatinga do Atanásio, Brazil
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in December
Caatinga do Atanásio, Brazil
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is October (18.7km/h).
The calmest month (with the lowest average wind speed) is April (11.3km/h).
Average humidity in December
Caatinga do Atanásio, Brazil
- Average humidity in December: 60%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is September (55%).
Average rainfall in December
Caatinga do Atanásio, Brazil
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is March (83mm).
The driest months (with the least rainfall) are September and October (1mm).
Average rainfall days in December
Caatinga do Atanásio, Brazil
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is September (1.9 days).
Average daylight in December /
Average sunshine in December
Caatinga do Atanásio, Brazil
- Average daylight in December: 12h and 24min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 48min).
Average sunshine days in December
Caatinga do Atanásio, Brazil
- Average sunshine days in December: 21.5 days
The months with the most sunshine days are September and October (27.7 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in December
Caatinga do Atanásio, Brazil
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Caatinga do Atanásio, Brazil
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in December
Caatinga do Atanásio, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are March, April and May (9km).
