December weather forecastMocajuba, Brazil

December

Weather in December

The first month of the summer, December, is also a hot month in Mocajuba, Brazil, with an average temperature varying between 32.7°C (90.9°F) and 23.5°C (74.3°F).

Temperature

December's commencement is accompanied by an average high-temperature of a still hot 32.7°C (90.9°F), diverging marginally from November's 34.5°C (94.1°F). Throughout December, the nighttime temperature averages to a moderately hot 23.5°C (74.3°F).

Heat index

December's heat index is computed to be a life-threatening hot 46°C (114.8°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
In the scope of the heat index, its values resonate with shade and light wind conditions. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. 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.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in December in Mocajuba is 77%.

Rainfall

In Mocajuba, in December, during 24.9 rainfall days, 157mm (6.18") of precipitation is typically accumulated. In Mocajuba, during the entire year, the rain falls for 285.2 days and collects up to 1825mm (71.85") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 18min of daylight.
On the first day of December, sunrise is at 05:59 and sunset at 18:15. On the last day of the month, sunrise is at 06:13 and sunset at 18:29 -03.

Sunshine

The average sunshine in December is 7.5h.

UV index

The months with the lowest UV index in Mocajuba are January through April and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 6 transforms into these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

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

Frequently asked questions

During December, Mocajuba experiences an average high-temperature of 32.7°C (90.9°F) and a low-temperature of 23.5°C (74.3°F). In December, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 46°C (114.8°F).

In December, the average relative humidity in Mocajuba, Brazil, is 77%.

In Mocajuba, Brazil, during December, the rain falls for 24.9 days and regularly aggregates up to 157mm (6.18") of precipitation.

With an average of 12h and 18min of daylight, December has the longest days of the year in Mocajuba, Brazil.

The average day length in December in Mocajuba is 12h and 16min.

On the first day of December in Mocajuba, sunrise is at 05:59 and sunset at 18:15. On the last day of the month, sunrise is at 06:13 and sunset at 18:29 -03.

In December, the average sunshine duration in Mocajuba, Brazil, is 7.5h.

The months with the lowest UV index in Mocajuba are January through April and December, with an average maximum UV index of 6.

In December, the average daily maximum UV index in Mocajuba, Brazil, is 6. A UV Index of 6 to 7 symbolizes a high 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

34.5°C

32.7°C

31.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.1km/h

7.5km/h

6.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

9.5

4.5

0.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Mocajuba, Brazil

Average high temperature in December: 32.7°C

The warmest month (with the highest average high temperature) is October (35°C).
The month with the lowest average high temperature is April (30.1°C).

Average low temperature in December: 23.5°C

The month with the highest average low temperature is November (24.2°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).

Average pressure in December
Mocajuba, Brazil

Average pressure in December: 1009.6mbar

The month with the highest atmospheric pressure is July (1012.6mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

Average wind speed in December
Mocajuba, Brazil

Average wind speed in December: 6.9km/h

The windiest month (with the highest average wind speed) is October (7.6km/h).
The calmest months (with the lowest average wind speed) are April and May (4.9km/h).

Average humidity in December
Mocajuba, Brazil

Average humidity in December: 77%

The month with the highest relative humidity is April (90%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Mocajuba, Brazil

Average rainfall in December: 157mm

The wettest month (with the highest rainfall) is April (329mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in December
Mocajuba, Brazil

Average rainfall days in December: 24.9 days

The month with the highest number of rainy days is March (30.5 days).
The month with the least rainy days is September (15.3 days).

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

Average daylight in December: 12h and 18min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).

Average sunshine in December: 7h and 30min

The month with the most sunshine is November (Average sunshine: 10h and 6min).
The months with the least sunshine are February and March (Average sunshine: 6h and 24min).

Average sunshine days in December
Mocajuba, Brazil

Average sunshine days in December: 4.5 days

The month with the most sunshine days is August (13 days).
The months with the least sunshine days are February and April (0.1 days).

Average UV index in December
Mocajuba, Brazil

Average UV index in December: 6

The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).