December weather forecast
Oratórios, Brazil

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Weather in December

December, the first month of the summer in Oratórios, is still a warm month, 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

December's advent presents an average high-temperature of a still warm 27.1°C (80.8°F), indicating a slight variation from the conditions of the previous month. Oratórios in December anticipates an average nighttime temperature of 18.8°C (65.8°F).

Heat index

For most parts of December, the heat index is estimated at a hot 31°C (87.8°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Heat index determinations are made taking into account the shade and light air movements. 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 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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 essentially critical for children. 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

In December, the average relative humidity in Oratórios is 87%.

Rainfall

The month with the most rainfall is December, when the rain falls for 26.6 days and typically aggregates up to 206mm (8.11") of precipitation.

Daylight

With an average of 13h and 18min of daylight, December has the longest days of the year in Oratórios, Brazil.
On the first day of December in Oratórios, sunrise is at 05:01 and sunset at 18:18. On the last day of the month, sunrise is at 05:14 and sunset at 18:34 -03.

Sunshine

The average sunshine in December in Oratórios is 6.9h.

UV index

The months with the lowest UV index in Oratórios are February through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the average December temperature in Oratórios?

In December, the average high-temperature and low-temperature in Oratórios are 27.1°C (80.8°F) and 18.8°C (65.8°F) respectively. In December, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 31°C (87.8°F).

What is the average humidity in December in Oratórios?

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

What is the wettest month in Oratórios?

The month with the most rainfall in Oratórios, Brazil, is December, when the rain falls for 26.6 days and typically aggregates up to 206mm (8.11") of precipitation.

How many days does it rain in December in Oratórios?

In Oratórios, during December, the rain falls for 26.6 days and regularly aggregates up to 206mm (8.11") of precipitation.

When are the longest days in Oratórios?

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

How many hours of daylight does Oratórios have in December?

The average day length in December in Oratórios, Brazil, is 13h and 21min.

When is the sunrise / sunset in December in Oratórios?

On the first day of December in Oratórios, Brazil, sunrise is at 05:01 and sunset at 18:18. On the last day of the month, sunrise is at 05:14 and sunset at 18:34 -03.

How long on average sun shines in December in Oratórios?

The average sunshine duration in December is 6.9h.

When is the lowest UV index in Oratórios?

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

How high is the UV index in December in Oratórios?

The average daily maximum UV index in December in Oratórios is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oratórios, Brazil

Average temperature in December - Oratórios, 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
Oratórios, Brazil

Average pressure in December - Oratórios, 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
Oratórios, Brazil

Average wind speed in December - Oratórios, 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
Oratórios, Brazil

Average humidity in December - Oratórios, 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
Oratórios, Brazil

Average rainfall in December - Oratórios, 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
Oratórios, Brazil

Average rainfall days in December - Oratórios, 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
Oratórios, Brazil

Average daylight in December / Average sunshine in December - Oratórios, 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
Oratórios, Brazil

Average sunshine days in December - Oratórios, 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
Oratórios, Brazil

Average UV index in December - Oratórios, 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
Oratórios, Brazil

Average cloud cover in December - Oratórios, 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
Oratórios, Brazil

Average visibility in December - Oratórios, 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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Oratórios, Brazil

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