December weather forecastDatas, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Datas, Brazil, with an average temperature varying between 25.3°C (77.5°F) and 17.6°C (63.7°F).

Temperature

With the onset of December, the average high-temperature registers at a still moderately hot 25.3°C (77.5°F), subtly different from November's 24.9°C (76.8°F). Nighttime temperatures consistently average a refreshing 17.6°C (63.7°F) during December.

Humidity

In December, the average relative humidity is 85%.

Rainfall

December is the month with the most rainfall in Datas. Rain falls for 27.9 days and accumulates 250mm (9.84") of precipitation.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year in Datas.
On the first day of December, sunrise is at 05:09 and sunset at 18:18. On the last day of the month, sunrise is at 05:21 and sunset at 18:34 -03.

Sunshine

In Datas, the average sunshine in December is 7h.

UV index

February through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 5 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Datas, in December, the average high-temperature is 25.3°C (77.5°F), and the average low-temperature is 17.6°C (63.7°F).

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

The month with the most rainfall in Datas, Brazil, is December, when the rain falls for 27.9 days and typically aggregates up to 250mm (9.84") of precipitation.

In Datas, in December, it is raining for 27.9 days, with typically 250mm (9.84") of accumulated precipitation.

The month with the longest days is December, with an average of 13h and 12min of daylight.

In Datas, the average day length in December is 13h and 13min.

In December, on the first day of the month, sunrise is at 05:09 and sunset at 18:18. On the last day of the month, in Datas, Brazil, sunrise is at 05:21 and sunset at 18:34 -03.

In Datas, Brazil, the average sunshine duration in December is 7h.

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

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

24.9°C

25.3°C

25.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.8km/h

8.8km/h

9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

2.5

1.8

3.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Datas, Brazil

Average high temperature in December: 25.3°C

The warmest month (with the highest average high temperature) is September (26.3°C).
The month with the lowest average high temperature is June (21.9°C).

Average low temperature in December: 17.6°C

The month with the highest average low temperature is December (17.6°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).

Average pressure in December
Datas, Brazil

Average pressure in December: 1012.7mbar

The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).

Average wind speed in December
Datas, Brazil

Average wind speed in December: 8km/h

The windiest months (with the highest average wind speed) are September and October (9.7km/h).
The calmest months (with the lowest average wind speed) are March and May (7km/h).

Average humidity in December
Datas, Brazil

Average humidity in December: 85%

The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (69%).

Average rainfall in December
Datas, Brazil

Average rainfall in December: 250mm

The wettest month (with the highest rainfall) is December (250mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in December
Datas, Brazil

Average rainfall days in December: 27.9 days

The month with the highest number of rainy days is December (27.9 days).
The month with the least rainy days is August (7.6 days).

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

Average daylight in December: 13h and 12min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

Average sunshine in December: 7h and 0min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).

Average sunshine days in December
Datas, Brazil

Average sunshine days in December: 1.8 days

The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is December (1.8 days).

Average UV index in December
Datas, Brazil

Average UV index in December: 5

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