December weather forecast
Sousas, Brazil

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Weather in December

December, the first month of the summer in Sousas, is also a moderately hot month, with an average temperature ranging between min 18.6°C (65.5°F) and max 27.6°C (81.7°F).

Temperature

The warmest month is December, with an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 18.6°C (65.5°F).

Heat index

Throughout December, the heat index is computed to be a hot 31°C (87.8°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In Sousas, Brazil, the average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 22.5 days. Throughout December, 140mm (5.51") of precipitation is accumulated. Throughout the year, in Sousas, there are 181.6 rainfall days, and 1038mm (40.87") of precipitation is accumulated.

Daylight

The month with the longest days in Sousas is December, with an average of 13h and 30min of daylight.
On the first day of December in Sousas, sunrise is at 05:13 and sunset at 18:40. On the last day of the month, sunrise is at 05:25 and sunset at 18:56 -03.

Sunshine

In Sousas, the average sunshine in December is 7.7h.

UV index

The months with the highest UV index in Sousas are January, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What month is the hottest in Sousas?

The month of December sees the average highest temperatures in Sousas, reaching 27.6°C (81.7°F) at the peak and 18.6°C (65.5°F) at the low.

What are December temperatures in Sousas?

December temperatures in Sousas, Brazil, vary between a high-temperature of 27.6°C (81.7°F) and a low-temperature of 18.6°C (65.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is computed to be 31°C (87.8°F).

What is the average humidity in December in Sousas?

The average relative humidity in December in Sousas, Brazil, is 81%.

How much does it rain in Sousas in December?

In Sousas, Brazil, in December, during 22.5 rainfall days, 140mm (5.51") of precipitation is typically accumulated.

When are the longest days in Sousas?

December has the longest days of the year in Sousas, with an average of 13h and 30min of daylight.

What is the average length of the day in December in Sousas?

The average day length in December in Sousas, Brazil, is 13h and 31min.

When is the sunrise / sunset in December in Sousas?

On the first day of December in Sousas, sunrise is at 05:13 and sunset at 18:40. On the last day of the month, sunrise is at 05:25 and sunset at 18:56 -03.

How long on average sun shines in December in Sousas?

The average sunshine duration in December in Sousas is 7.7h.

When is the highest UV index in Sousas?

January, October through December, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in December in Sousas?

The average daily maximum UV index in December in Sousas is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in December
Sousas, Brazil

Average temperature in December - Sousas, Brazil
  • Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is December (27.6°C).
The month with the lowest average high temperature is June (21.7°C).

  • Average low temperature in December: 18.6°C

The month with the highest average low temperature is January (18.7°C).
The coldest months (with the lowest average low temperature) are June and July (12.9°C).

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Average pressure in December
Sousas, Brazil

Average pressure in December - Sousas, Brazil
  • Average pressure in December: 1011.9mbar

The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

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Average wind speed in December
Sousas, Brazil

Average wind speed in December - Sousas, Brazil
  • Average wind speed in December: 9.9km/h

The windiest month (with the highest average wind speed) is October (11.8km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).

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Average humidity in December
Sousas, Brazil

Average humidity in December - Sousas, Brazil
  • Average humidity in December: 81%

The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is September (68%).

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Average rainfall in December
Sousas, Brazil

Average rainfall in December - Sousas, Brazil
  • Average rainfall in December: 140mm

The wettest month (with the highest rainfall) is January (202mm).
The driest month (with the least rainfall) is August (26mm).

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Average rainfall days in December
Sousas, Brazil

Average rainfall days in December - Sousas, Brazil
  • Average rainfall days in December: 22.5 days

The month with the highest number of rainy days is January (24.8 days).
The month with the least rainy days is August (6.3 days).

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Average daylight in December /
Average sunshine in December
Sousas, Brazil

Average daylight in December / Average sunshine in December - Sousas, 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 4min

The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).

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Average sunshine days in December
Sousas, Brazil

Average sunshine days in December - Sousas, Brazil
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is January (5.1 days).

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Average UV index in December
Sousas, Brazil

Average UV index in December - Sousas, Brazil
  • Average UV index in December: 6

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

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Average cloud cover in December
Sousas, Brazil

Average cloud cover in December - Sousas, Brazil
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in December
Sousas, Brazil

Average visibility in December - Sousas, Brazil
  • Average visibility in December: 8km

The months with the highest visibility are July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June and December (8km).

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Sousas, Brazil

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