December weather forecast
Alto do Velame, Brazil

December

Weather in December

December, the first month of the summer in Alto do Velame, is still a hot month, with an average temperature fluctuating between 24.5°C (76.1°F) and 34.4°C (93.9°F).

Temperature

The arrival of December brings an average high-temperature of a tropical 34.4°C (93.9°F), closely following the temperature pattern of November. During December, Alto do Velame witnesses a consistent average low-temperature of 24.5°C (76.1°F).

Heat index

December's average heat index is computed to be a burning hot 45°C (113°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. 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 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Alto do Velame, the average relative humidity in December is 63%.

Rainfall

In December, in Alto do Velame, Brazil, the rain falls for 5 days. Throughout December, 9mm (0.35") of precipitation is accumulated. Throughout the year, in Alto do Velame, there are 117.8 rainfall days, and 332mm (13.07") 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 December in Alto do Velame, sunrise is at 05:09 and sunset at 17:32. On the last day of the month, sunrise is at 05:22 and sunset at 17:47 -03.

Sunshine

The average sunshine in December in Alto do Velame is 8.4h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Alto do Velame. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Alto do Velame. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 during December translates into the following guidance:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

How hot is it in Alto do Velame in December?
December temperatures in Alto do Velame, Brazil, vary between a high-temperature of 34.4°C (93.9°F) and a low-temperature of 24.5°C (76.1°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in December is computed to be 45°C (113°F).
What is the average humidity in December in Alto do Velame?
In December, the average relative humidity is 63%.
How much does it rain in Alto do Velame in December?
In Alto do Velame, Brazil, in December, during 5 rainfall days, 9mm (0.35") of precipitation is typically accumulated.
When are the longest days in Alto do Velame?
With an average of 12h and 24min of daylight, December has the longest days of the year in Alto do Velame.
How many hours of daylight does Alto do Velame have in December?
In Alto do Velame, Brazil, the average day length in December is 12h and 25min.
What time are sunrise and sunset in December in Alto do Velame?
In December, on the first day of the month, sunrise is at 05:09 and sunset at 17:32. On the last day of the month, in Alto do Velame, sunrise is at 05:22 and sunset at 17:47 -03.
How many hours of sunshine does Alto do Velame have in December?
The average sunshine duration in December is 8.4h.
When is the highest UV index in Alto do Velame?
The months with the highest UV index are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Alto do Velame?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in December in Alto do Velame?
In Alto do Velame, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Alto do Velame, Brazil
Average temperature in December
Alto do Velame, Brazil
  • Average high temperature in December: 34.4°C

The warmest month (with the highest average high temperature) is October (35.3°C).
The month with the lowest average high temperature is July (31.8°C).

  • Average low temperature in December: 24.5°C

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is July (21.6°C).

Average pressure in December - Alto do Velame, Brazil
Average pressure in December
Alto do Velame, Brazil
  • Average pressure in December: 1010.6mbar

The month with the highest atmospheric pressure is July (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

Average wind speed in December - Alto do Velame, Brazil
Average wind speed in December
Alto do Velame, Brazil
  • Average wind speed in December: 17.5km/h

The windiest month (with the highest average wind speed) is October (18.8km/h).
The calmest month (with the lowest average wind speed) is April (11.7km/h).

Average humidity in December - Alto do Velame, Brazil
Average humidity in December
Alto do Velame, Brazil
  • Average humidity in December: 63%

The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is September (58%).

Average rainfall in December - Alto do Velame, Brazil
Average rainfall in December
Alto do Velame, Brazil
  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is March (81mm).
The driest months (with the least rainfall) are September, October and November (1mm).

Average rainfall days in December - Alto do Velame, Brazil
Average rainfall days in December
Alto do Velame, Brazil
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is September (1.5 days).

Average daylight in December / Average sunshine in December - Alto do Velame, Brazil
Average daylight in December /
Average sunshine in December
Alto do Velame, Brazil
  • Average daylight in December: 12h and 2min

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 2min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 30min).

Average sunshine days in December - Alto do Velame, Brazil
Average sunshine days in December
Alto do Velame, Brazil
  • Average sunshine days in December: 23.7 days

The month with the most sunshine days is September (28.4 days).
The month with the least sunshine days is April (10.1 days).

Average UV index in December - Alto do Velame, Brazil
Average UV index in December
Alto do Velame, 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 - Alto do Velame, Brazil
Average cloud cover in December
Alto do Velame, Brazil
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is September (Cloud cover 17).

Average visibility in December - Alto do Velame, Brazil
Average visibility in December
Alto do Velame, Brazil
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).

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