December weather forecast
Araçaí, Brazil

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Araçaí, Brazil, with an average temperature varying between 26.8°C (80.2°F) and 18.8°C (65.8°F).

Temperature

The arrival of December records an average high-temperature of a still moderately hot 26.8°C (80.2°F), closely related to the 26.9°C (80.4°F) observed in November. In December, the average low-temperature records at an enjoyable 18.8°C (65.8°F) during the nights.

Humidity

In Araçaí, the average relative humidity in December is 85%.

Rainfall

December is the month with the most rainfall in Araçaí. Rain falls for 28.5 days and accumulates 262mm (10.31") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 18min of daylight.
On the first day of December, sunrise is at 05:10 and sunset at 18:22. On the last day of the month, sunrise is at 05:22 and sunset at 18:38 -03.

Sunshine

With an average of 7.1h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index are January, August, September and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, an average UV index of 6 transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the temperature in December?
In December, in Araçaí, the average high-temperature is 26.8°C (80.2°F), and the average low-temperature is 18.8°C (65.8°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in October is calculated to be 32°C (89.6°F).
What is the average humidity in December in Araçaí?
In Araçaí, the average relative humidity in December is 85%.
What is the rainiest month?
The month with the most rainfall is December, when the rain falls for 28.5 days and typically aggregates up to 262mm (10.31") of precipitation.
How many days does it rain in December?
In December, the rain falls for 28.5 days. Throughout December, 262mm (10.31") of precipitation is accumulated.
When are the longest days?
December has the longest days of the year, with an average of 13h and 18min of daylight.
What is the average length of the day in December?
The average day length in December is 13h and 16min.
What time are sunrise and sunset in December?
On the first day of December, sunrise is at 05:10 and sunset at 18:22. On the last day of the month, sunrise is at 05:22 and sunset at 18:38 -03.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 7.1h of sunshine.
How long on average sun shines in December?
In December, the average sunshine duration is 7.1h.
What are the months with the highest UV index?
January, August, September and December, with an average maximum UV index of 6, are months with the highest UV index.
What is the UV index reading in December?
In Araçaí, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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
Araçaí, Brazil
  • Average high temperature in December: 26.8°C

The warmest month (with the highest average high temperature) is September (29.2°C).
The month with the lowest average high temperature is June (23.7°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 (13.7°C).

Average pressure in December
Araçaí, Brazil
  • Average pressure in December: 1012.8mbar

The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).

Average wind speed in December
Araçaí, Brazil
  • Average wind speed in December: 8km/h

The windiest month (with the highest average wind speed) is September (10.6km/h).
The calmest month (with the lowest average wind speed) is March (7.2km/h).

Average humidity in December
Araçaí, Brazil
  • Average humidity in December: 85%

The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (61%).

Average rainfall in December
Araçaí, Brazil
  • Average rainfall in December: 262mm

The wettest month (with the highest rainfall) is December (262mm).
The driest month (with the least rainfall) is July (5mm).

Average rainfall days in December
Araçaí, Brazil
  • Average rainfall days in December: 28.5 days

The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is August (4 days).

Average daylight in December /
Average sunshine in December
Araçaí, 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: 11h and 0min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in December
Araçaí, Brazil
  • Average sunshine days in December: 1.3 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is December (1.3 days).

Average UV index in December
Araçaí, Brazil
  • Average UV index in December: 6

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

Average cloud cover in December
Araçaí, Brazil
  • Average cloud cover in December: 54

The months with the most cloud cover are March and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 20).

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

The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, April and May (7km).

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