December weather forecastMarcos Parente, Brazil

December

Weather in December

December, the first month of the summer in Marcos Parente, is also a hot month, with temperature in the range of an average high of 33.2°C (91.8°F) and an average low of 23.8°C (74.8°F).

Temperature

December's arrival brings an average high-temperature of a still tropical 33.2°C (91.8°F), slightly deviating from November's 34.6°C (94.3°F). In Marcos Parente, the average low-temperature during the month of December is a warm 23.8°C (74.8°F).

Heat index

For December, the heat index is estimated at a scorching 42°C (107.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Marcos Parente, in December, during 18.5 rainfall days, 65mm (2.56") of precipitation is typically accumulated. In Marcos Parente, during the entire year, the rain falls for 157.4 days and collects up to 636mm (25.04") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:29 and sunset at 18:00. On the last day of the month, sunrise is at 05:42 and sunset at 18:14 -03.

Sunshine

In December, the average sunshine is 9.1h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 7 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Marcos Parente experiences an average high-temperature of 33.2°C (91.8°F) and a low-temperature of 23.8°C (74.8°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 42°C (107.6°F).

The average relative humidity in December is 64%.

In Marcos Parente, in December, it is raining for 18.5 days, with typically 65mm (2.56") of accumulated precipitation.

With an average of 12h and 30min of daylight, December has the longest days of the year.

In December, the average day length is 12h and 32min.

On the first day of December, sunrise is at 05:29 and sunset at 18:00. On the last day of the month, sunrise is at 05:42 and sunset at 18:14 -03.

In December, the average sunshine duration is 9.1h.

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 7.

In December, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat 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

34.6°C

33.2°C

31.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.9km/h

9.1km/h

8.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

12.5

6.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Marcos Parente, Brazil

Average high temperature in December: 33.2°C

The warmest months (with the highest average high temperature) are September and October (36.5°C).
The months with the lowest average high temperature are March and April (31.4°C).

Average low temperature in December: 23.8°C

The month with the highest average low temperature is October (25°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).

Average pressure in December
Marcos Parente, Brazil

Average pressure in December: 1009.7mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).

Average wind speed in December
Marcos Parente, Brazil

Average wind speed in December: 8.3km/h

The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.3km/h).

Average humidity in December
Marcos Parente, Brazil

Average humidity in December: 64%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (39%).

Average rainfall in December
Marcos Parente, Brazil

Average rainfall in December: 65mm

The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in December
Marcos Parente, Brazil

Average rainfall days in December: 18.5 days

The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.5 days).

Average daylight in December /
Average sunshine in December
Marcos Parente, Brazil

Average daylight in December: 12h and 30min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in December: 9h and 6min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).

Average sunshine days in December
Marcos Parente, Brazil

Average sunshine days in December: 11 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (3.1 days).

Average UV index in December
Marcos Parente, Brazil

Average UV index in December: 7

The month with the highest UV index is September (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).

Average cloud cover in December
Marcos Parente, Brazil

Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Marcos Parente, Brazil

Average visibility in December: 10km

The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).