December weather forecast
Cafeara, Brazil

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Cafeara, Brazil, with an average temperature varying between 28.2°C (82.8°F) and 19.2°C (66.6°F).

Temperature

Cafeara's December average high-temperature settles at a still warm 28.2°C (82.8°F), showing a near match with the preceding month. Cafeara records an average low-temperature of 19.2°C (66.6°F) throughout the month of December.

Heat index

In December, the average heat index is calculated to be a hot 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Cafeara, in December, it is raining for 23.2 days, with typically 145mm (5.71") of accumulated precipitation. In Cafeara, during the entire year, the rain falls for 190.6 days and collects up to 1189mm (46.81") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 30min of daylight.
On the first day of the month, sunrise is at 05:33 and sunset at 18:59. On the last day of December, sunrise is at 05:44 and sunset at 19:15 -03.

Sunshine

In Cafeara, the average sunshine in December is 7.8h.

UV index

The months with the lowest UV index are April through July and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 5 in December translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

How hot is December?
The average high-temperature, in December, in Cafeara, is 28.2°C (82.8°F), while the average low-temperature is 19.2°C (66.6°F). In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 33°C (91.4°F).
What is the average humidity in December?
The average relative humidity in December in Cafeara, Brazil, is 83%.
How much does it rain in Cafeara in December?
In Cafeara, during December, the rain falls for 23.2 days and regularly aggregates up to 145mm (5.71") of precipitation.
When are the longest days?
December has the longest days of the year, with an average of 13h and 30min of daylight.
What is the average length of the day in December in Cafeara?
The average day length in December is 13h and 31min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 05:33 and sunset at 18:59. On the last day of the month, sunrise is at 05:44 and sunset at 19:15 -03.
How many hours of sunshine does Cafeara have in December?
The average sunshine duration in December in Cafeara is 7.8h.
What are the months with the lowest UV index?
The months with the lowest UV index are April through July and December, with an average maximum UV index of 5.
How high is the UV index in December?
In Cafeara, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Cafeara, Brazil
  • Average high temperature in December: 28.2°C

The warmest month (with the highest average high temperature) is October (28.5°C).
The month with the lowest average high temperature is June (21.4°C).

  • Average low temperature in December: 19.2°C

The month with the highest average low temperature is February (19.5°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).

Average pressure in December
Cafeara, Brazil
  • Average pressure in December: 1010.4mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).

Average wind speed in December
Cafeara, Brazil
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest months (with the lowest average wind speed) are January and February (9km/h).

Average humidity in December
Cafeara, Brazil
  • Average humidity in December: 83%

The months with the highest relative humidity are January, February and June (87%).
The month with the lowest relative humidity is September (66%).

Average rainfall in December
Cafeara, Brazil
  • Average rainfall in December: 145mm

The wettest month (with the highest rainfall) is January (169mm).
The driest month (with the least rainfall) is August (55mm).

Average rainfall days in December
Cafeara, Brazil
  • Average rainfall days in December: 23.2 days

The month with the highest number of rainy days is January (24.8 days).
The month with the least rainy days is August (8.3 days).

Average daylight in December /
Average sunshine in December
Cafeara, 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: 7h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in December
Cafeara, Brazil
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is January (5.1 days).

Average UV index in December
Cafeara, Brazil
  • Average UV index in December: 5

The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).

Average cloud cover in December
Cafeara, Brazil
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Cafeara, Brazil
  • Average visibility in December: 8km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).

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