December weather forecastItaguara, Brazil

December

Weather in December

December, the first month of the summer in Itaguara, is still a warm month, with an average temperature varying between 25.8°C (78.4°F) and 17.9°C (64.2°F).

Temperature

Itaguara experiences a subtle adjustment in high-temperatures to a still warm 25.8°C (78.4°F) with the onset of December, maintaining near parity with November's 25.7°C (78.3°F). During December, the temperature in Itaguara is averaged to a low of 17.9°C (64.2°F) at night.

Humidity

The average relative humidity in December is 88%.

Rainfall

In December, in Itaguara, Brazil, the rain falls for 29.6 days. Throughout December, 247mm (9.72") of precipitation is accumulated. Throughout the year, in Itaguara, there are 227.6 rainfall days, and 1519mm (59.8") of precipitation is accumulated.

Daylight

December has the longest days of the year in Itaguara, with an average of 13h and 18min of daylight.
On the first day of December in Itaguara, Brazil, sunrise is at 05:08 and sunset at 18:25. On the last day of the month, sunrise is at 05:20 and sunset at 18:41 -03.

Sunshine

December has the least sunshine of the year, with an average of 6.5h of sunshine.

UV index

The months with the lowest UV index in Itaguara are January through July, September through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during December translates into the following guidance:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 25.8°C (78.4°F) and the low-temperature is 17.9°C (64.2°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in October is appraised at 31°C (87.8°F).

In December, the average relative humidity is 88%.

In December, the rain falls for 29.6 days. Throughout December, 247mm (9.72") of precipitation is accumulated.

With an average of 13h and 18min of daylight, December has the longest days of the year in Itaguara, Brazil.

In December, the average day length in Itaguara is 13h and 21min.

On the first day of December, sunrise is at 05:08 and sunset at 18:25. On the last day of the month, sunrise is at 05:20 and sunset at 18:41 -03.

With an average of 6.5h of sunshine, December has the least sunshine of the year in Itaguara.

In December, the average sunshine duration in Itaguara, Brazil, is 6.5h.

January through July, September through December, with an average maximum UV index of 5, are months with the lowest UV index in Itaguara.

The average daily maximum UV index in December in Itaguara, Brazil, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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

25.7°C

25.8°C

26.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1km/h

8.2km/h

7.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.2

2.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Itaguara, Brazil

Average high temperature in December: 25.8°C

The warmest month (with the highest average high temperature) is September (28.2°C).
The month with the lowest average high temperature is June (22.8°C).

Average low temperature in December: 17.9°C

The month with the highest average low temperature is December (17.9°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).

Average pressure in December
Itaguara, Brazil

Average pressure in December: 1012.9mbar

The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in December
Itaguara, Brazil

Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest months (with the lowest average wind speed) are March, April and May (6.7km/h).

Average humidity in December
Itaguara, Brazil

Average humidity in December: 88%

The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (64%).

Average rainfall in December
Itaguara, Brazil

Average rainfall in December: 247mm

The wettest month (with the highest rainfall) is November (249mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in December
Itaguara, Brazil

Average rainfall days in December: 29.6 days

The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (5.2 days).

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

Average daylight in December: 13h and 18min

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 30min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Itaguara, Brazil

Average sunshine days in December: 1.2 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is December (1.2 days).

Average UV index in December
Itaguara, Brazil

Average UV index in December: 5

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