December weather forecastComercinho, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Comercinho, Brazil, with an average temperature varying between 18.2°C (64.8°F) and 27.4°C (81.3°F).

Temperature

The introduction of December notes a subtle temperature variation to a still warm 27.4°C (81.3°F) from November's 27.1°C (80.8°F). The average low-temperature in Comercinho during December nights is a refreshing 18.2°C (64.8°F).

Heat index

Throughout December, the heat index is evaluated at a hot 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Comercinho, during December, the rain falls for 21.7 days and regularly aggregates up to 133mm (5.24") of precipitation. Throughout the year, in Comercinho, there are 192.4 rainfall days, and 758mm (29.84") of precipitation is accumulated.

Daylight

With an average of 13h and 6min of daylight, December has the longest days of the year in Comercinho, Brazil.
On the first day of December in Comercinho, sunrise is at 05:05 and sunset at 18:07. On the last day of the month, sunrise is at 05:17 and sunset at 18:22 -03.

Sunshine

In December, the average sunshine is 7.6h.

UV index

The months with the lowest UV index are April through July and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 5 in December leads to these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

December temperatures vary between a high-temperature of 27.4°C (81.3°F) and a low-temperature of 18.2°C (64.8°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 31°C (87.8°F).

In Comercinho, the average relative humidity in December is 84%.

In December, in Comercinho, Brazil, the rain falls for 21.7 days. Throughout December, 133mm (5.24") of precipitation is accumulated.

December has the longest days of the year in Comercinho, Brazil, with an average of 13h and 6min of daylight.

In December, the average day length in Comercinho, Brazil, is 13h and 5min.

On the first day of December in Comercinho, sunrise is at 05:05 and sunset at 18:07. On the last day of the month, sunrise is at 05:17 and sunset at 18:22 -03.

In December, the average sunshine duration in Comercinho is 7.6h.

The months with the lowest UV index in Comercinho, Brazil, are April through July and December, with an average maximum UV index of 5.

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

Average temperature in December
Comercinho, Brazil

  • Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is October (29.1°C).
The month with the lowest average high temperature is June (24.1°C).

  • Average low temperature in December: 18.2°C

The months with the highest average low temperature are November and December (18.2°C).
The coldest month (with the lowest average low temperature) is July (14.2°C).

Average pressure in December
Comercinho, Brazil

  • Average pressure in December: 1013.1mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1013.1mbar).

Average wind speed in December
Comercinho, Brazil

  • Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is September (10.2km/h).
The calmest month (with the lowest average wind speed) is March (6.6km/h).

Average humidity in December
Comercinho, Brazil

  • Average humidity in December: 84%

The month with the highest relative humidity is April (86%).
The month with the lowest relative humidity is September (64%).

Average rainfall in December
Comercinho, Brazil

  • Average rainfall in December: 133mm

The wettest month (with the highest rainfall) is November (139mm).
The driest month (with the least rainfall) is July (6mm).

Average rainfall days in December
Comercinho, Brazil

  • Average rainfall days in December: 21.7 days

The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (7.5 days).

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

  • Average daylight in December: 13h and 6min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in December: 7h and 36min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 6h and 48min).

Average sunshine days in December
Comercinho, Brazil

  • Average sunshine days in December: 6.9 days

The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is November (5.9 days).

Average UV index in December
Comercinho, Brazil

  • Average UV index in December: 5

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

Average cloud cover in December
Comercinho, Brazil

  • Average cloud cover in December: 56

The month with the most cloud cover is April (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in December
Comercinho, Brazil

  • Average visibility in December: 7km

The months with the highest visibility are September and October (9km).
The months with the lowest visibility are January, April and May (6km).