December weather forecast
Barra Longa, Brazil

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Weather in December

The first month of the summer, December, is still a warm month in Barra Longa, Brazil, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 27.1°C (80.8°F).

Temperature

Barra Longa registers an average high-temperature of a still warm 27.1°C (80.8°F) at the commencement of December, closely related to the preceding month. During the month of December, the temperature in Barra Longa falls to an average of 18.8°C (65.8°F).

Heat index

The heat index in December is computed to be a hot 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

In Barra Longa, Brazil, the average relative humidity in December is 87%.

Rainfall

December is the month with the most rainfall in Barra Longa. Rain falls for 26.6 days and accumulates 206mm (8.11") of precipitation.

Daylight

December has the longest days of the year, with an average of 13h and 18min of daylight.
On the first day of December, sunrise is at 05:03 and sunset at 18:19. On the last day of the month, sunrise is at 05:15 and sunset at 18:35 -03.

Sunshine

In December, the average sunshine is 6.9h.

UV index

The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for Barra Longa in December?

The average high-temperature, in December, in Barra Longa, is 27.1°C (80.8°F), while the average low-temperature is 18.8°C (65.8°F). In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 31°C (87.8°F).

What is the average humidity in December in Barra Longa?

The average relative humidity in December is 87%.

What is the wettest month in Barra Longa?

December is the month with the most rainfall in Barra Longa, Brazil. Rain falls for 26.6 days and accumulates 206mm (8.11") of precipitation.

How much does it rain in Barra Longa in December?

In Barra Longa, in December, it is raining for 26.6 days, with typically 206mm (8.11") of accumulated precipitation.

When are the longest days in Barra Longa?

The month with the longest days in Barra Longa is December, with an average of 13h and 18min of daylight.

What is the average length of the day in December in Barra Longa?

In Barra Longa, Brazil, the average day length in December is 13h and 20min.

When is the sunrise / sunset in December in Barra Longa?

On the first day of December in Barra Longa, Brazil, sunrise is at 05:03 and sunset at 18:19. On the last day of the month, sunrise is at 05:15 and sunset at 18:35 -03.

How long on average sun shines in December in Barra Longa?

In Barra Longa, the average sunshine duration in December is 6.9h.

What are the months with the lowest UV index in Barra Longa?

The months with the lowest UV index in Barra Longa are February through December, with an average maximum UV index of 5.

What is the UV index reading in December in Barra Longa?

The average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Barra Longa, Brazil

Average temperature in December - Barra Longa, Brazil
  • Average high temperature in December: 27.1°C

The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).

  • Average low temperature in December: 18.8°C

The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).

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Average pressure in December
Barra Longa, Brazil

Average pressure in December - Barra Longa, Brazil
  • Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

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Average wind speed in December
Barra Longa, Brazil

Average wind speed in December - Barra Longa, Brazil
  • Average wind speed in December: 7.2km/h

The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).

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Average humidity in December
Barra Longa, Brazil

Average humidity in December - Barra Longa, Brazil
  • Average humidity in December: 87%

The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).

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Average rainfall in December
Barra Longa, Brazil

Average rainfall in December - Barra Longa, Brazil
  • Average rainfall in December: 206mm

The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).

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Average rainfall days in December
Barra Longa, Brazil

Average rainfall days in December - Barra Longa, Brazil
  • Average rainfall days in December: 26.6 days

The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).

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Average daylight in December /
Average sunshine in December
Barra Longa, Brazil

Average daylight in December / Average sunshine in December - Barra Longa, Brazil
  • Average daylight in December: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

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Average sunshine days in December
Barra Longa, Brazil

Average sunshine days in December - Barra Longa, Brazil
  • Average sunshine days in December: 2.2 days

The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).

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Average UV index in December
Barra Longa, Brazil

Average UV index in December - Barra Longa, Brazil
  • Average UV index in December: 5

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

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Average cloud cover in December
Barra Longa, Brazil

Average cloud cover in December - Barra Longa, Brazil
  • Average cloud cover in December: 60

The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).

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Average visibility in December
Barra Longa, Brazil

Average visibility in December - Barra Longa, Brazil
  • Average visibility in December: 7km

The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).

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Barra Longa, Brazil

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