December weather forecast
São Bento do Una, Brazil

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Weather in December

The first month of the summer, December, is also a moderately hot month in São Bento do Una, Brazil, with an average temperature varying between 29.6°C (85.3°F) and 19.6°C (67.3°F).

Temperature

The average high-temperature is a still warm 29.6°C (85.3°F) in December, consistent with November. Throughout the month of December, São Bento do Una witnesses an average temperature of 19.6°C (67.3°F).

Heat index

The heat index in December is calculated to be a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. 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 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

With an average relative humidity of 70%, December is the least humid month in São Bento do Una.

Rainfall

In December, the rain falls for 13.5 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, in São Bento do Una, there are 183.6 rainfall days, and 330mm (12.99") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 04:57 and sunset at 17:32. On the last day of the month, sunrise is at 05:10 and sunset at 17:47 -03.

Sunshine

In São Bento do Una, the average sunshine in December is 7.9h.

UV index

The months with the highest UV index in São Bento do Una are January through April, September through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Feb 2, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot does it get in São Bento do Una in December?

The average high-temperature and low-temperature in São Bento do Una during December are 29.6°C (85.3°F) and 19.6°C (67.3°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in December is calculated to be 34°C (93.2°F).

What is the least humid month in São Bento do Una?

With an average relative humidity of 70%, December is the least humid month.

What is the average humidity in December in São Bento do Una?

The average relative humidity in December in São Bento do Una, Brazil, is 70%.

How many days does it rain in December in São Bento do Una?

In São Bento do Una, Brazil, during December, the rain falls for 13.5 days and regularly aggregates up to 19mm (0.75") of precipitation.

When are the longest days in São Bento do Una?

December has the longest days of the year in São Bento do Una, Brazil, with an average of 12h and 36min of daylight.

What is the average length of the day in December in São Bento do Una?

In São Bento do Una, Brazil, the average day length in December is 12h and 37min.

When is the sunrise / sunset in December in São Bento do Una?

On the first day of December, sunrise is at 04:57 and sunset at 17:32. On the last day of the month, sunrise is at 05:10 and sunset at 17:47 -03.

How many hours of sunshine does São Bento do Una have in December?

The average sunshine duration in December is 7.9h.

When is the highest UV index in São Bento do Una?

The months with the highest UV index in São Bento do Una are January through April, September through December, with an average maximum UV index of 6.

What is the UV index reading in December in São Bento do Una?

In December, the average daily maximum UV index in São Bento do Una is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in December
São Bento do Una, Brazil

Average temperature in December - São Bento do Una, Brazil
  • Average high temperature in December: 29.6°C

The warmest month (with the highest average high temperature) is March (29.8°C).
The month with the lowest average high temperature is July (24.5°C).

  • Average low temperature in December: 19.6°C

The months with the highest average low temperature are February and March (19.9°C).
The coldest month (with the lowest average low temperature) is August (16.6°C).

Average pressure in December
São Bento do Una, Brazil

Average pressure in December - São Bento do Una, Brazil
  • Average pressure in December: 1012.2mbar

The month with the highest atmospheric pressure is August (1017mbar).
The months with the lowest atmospheric pressure are February, March, November and December (1012.2mbar).

Average wind speed in December
São Bento do Una, Brazil

Average wind speed in December - São Bento do Una, Brazil
  • Average wind speed in December: 17.9km/h

The windiest month (with the highest average wind speed) is October (19km/h).
The calmest month (with the lowest average wind speed) is April (12.9km/h).

Average humidity in December
São Bento do Una, Brazil

Average humidity in December - São Bento do Una, Brazil
  • Average humidity in December: 70%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is December (70%).

Average rainfall in December
São Bento do Una, Brazil

Average rainfall in December - São Bento do Una, Brazil
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is March (64mm).
The driest month (with the least rainfall) is September (9mm).

Average rainfall days in December
São Bento do Una, Brazil

Average rainfall days in December - São Bento do Una, Brazil
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is November (11.2 days).

Average daylight in December /
Average sunshine in December
São Bento do Una, Brazil

Average daylight in December / Average sunshine in December - São Bento do Una, Brazil
  • Average daylight in December: 12h and 4min

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: 7h and 5min

The month with the most sunshine is November (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).

Average sunshine days in December
São Bento do Una, Brazil

Average sunshine days in December - São Bento do Una, Brazil
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is December (10.5 days).
The month with the least sunshine days is July (5.9 days).

Average UV index in December
São Bento do Una, Brazil

Average UV index in December - São Bento do Una, Brazil
  • Average UV index in December: 6

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

Average cloud cover in December
São Bento do Una, Brazil

Average cloud cover in December - São Bento do Una, Brazil
  • Average cloud cover in December: 49

The month with the most cloud cover is July (Cloud cover 71).
The month with the least cloud cover is November (Cloud cover 48).

Average visibility in December
São Bento do Una, Brazil

Average visibility in December - São Bento do Una, Brazil
  • Average visibility in December: 10km

The months with the highest visibility are November and December (10km).
The month with the lowest visibility is May (7km).

São Bento do Una, Brazil

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