December weather forecastGranito, Brazil
December
Weather in December
December, the first month of the summer in Granito, is still a tropical month, with an average temperature varying between 32.5°C (90.5°F) and 22.4°C (72.3°F).Temperature
Granito's weather in December indicates an average high-temperature of a still hot 32.5°C (90.5°F), nearly consistent with the 33.3°C (91.9°F) of November. In December, the average low-temperature records at a pleasant 22.4°C (72.3°F) during the nights.Heat index
Throughout December, the heat index is estimated at a fiery hot 37°C (98.6°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'feels like' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In December, the average relative humidity is 56%.Rainfall
In Granito, during December, the rain falls for 15.5 days and regularly aggregates up to 63mm (2.48") of precipitation. In Granito, during the entire year, the rain falls for 155.2 days and collects up to 532mm (20.94") of precipitation.Daylight
The month with the longest days is December, with an average of 12h and 36min of daylight.On the first day of the month, sunrise is at 05:11 and sunset at 17:44. On the last day of December, in Granito, sunrise is at 05:24 and sunset at 17:58 -03.
Sunshine
In Granito, Brazil, the average sunshine in December is 8.6h.UV index
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 health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 7 in December leads to these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Granito, Brazil
- Average high temperature in December: 32.5°C
The warmest months (with the highest average high temperature) are October and November (33.3°C).
The months with the lowest average high temperature are June and July (28°C).
- Average low temperature in December: 22.4°C
The month with the highest average low temperature is November (23°C).
The coldest months (with the lowest average low temperature) are July and August (18.3°C).
Average pressure in December
Granito, Brazil
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is July (1015.9mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
Granito, Brazil
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is September (18.9km/h).
The calmest month (with the lowest average wind speed) is March (10.1km/h).
Average humidity in December
Granito, Brazil
- Average humidity in December: 56%
The months with the highest relative humidity are April and May (74%).
The month with the lowest relative humidity is November (49%).
Average rainfall in December
Granito, Brazil
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is March (115mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in December
Granito, Brazil
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (23.9 days).
The month with the least rainy days is September (2.8 days).
Average daylight in December /
Average sunshine in December
Granito, 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 42min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is January (Average sunshine: 10h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 36min).
Average sunshine days in December
Granito, Brazil
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is September (23.3 days).
The month with the least sunshine days is March (4.5 days).
Average UV index in December
Granito, Brazil
- Average UV index in December: 7
The months with the highest UV index are September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July and August (UV index 6).
Average cloud cover in December
Granito, Brazil
- Average cloud cover in December: 34
The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in December
Granito, 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).
