December weather forecastJapoatã, Brazil

December

Weather in December

The first month of the summer, December, is still a tropical month in Japoatã, Brazil, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 23.4°C (74.1°F).

Temperature

The dawn of December sees an average high-temperature of a still tropical 31.2°C (88.2°F), subtly contrasting with November's 30.9°C (87.6°F). Japoatã experiences a mean low-temperature of 23.4°C (74.1°F) during December.

Heat index

In December, the average heat index is estimated at a very hot 38°C (100.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

December is the least humid month in Japoatã, Brazil, with an average relative humidity of 71%.

Rainfall

In Japoatã, during December, the rain falls for 11.9 days and regularly aggregates up to 21mm (0.83") of precipitation. In Japoatã, during the entire year, the rain falls for 222.9 days and collects up to 509mm (20.04") of precipitation.

Daylight

The month with the longest days in Japoatã, Brazil, is December, with an average of 12h and 42min of daylight.
On the first day of the month, sunrise is at 04:55 and sunset at 17:37. On the last day of December, sunrise is at 05:08 and sunset at 17:52 -03.

Sunshine

In December, the average sunshine is 8.3h.

UV index

January through March, October through December, with an average maximum UV index of 7, are months with the highest UV index in Japoatã, Brazil. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in December leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Enhance your sun protection with tightly woven, yet airy clothing.

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

Frequently asked questions

In Japoatã, in December, the average high-temperature is 31.2°C (88.2°F), and the average low-temperature is 23.4°C (74.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in December is estimated at 38°C (100.4°F).

The least humid month in Japoatã is December, with an average relative humidity of 71%.

In Japoatã, Brazil, the average relative humidity in December is 71%.

In Japoatã, Brazil, in December, it is raining for 11.9 days, with typically 21mm (0.83") of accumulated precipitation.

December has the longest days of the year in Japoatã, with an average of 12h and 42min of daylight.

The average day length in December in Japoatã is 12h and 43min.

In December, on the first day of the month, sunrise is at 04:55 and sunset at 17:37. On the last day of the month, sunrise is at 05:08 and sunset at 17:52 -03.

In December, the average sunshine duration is 8.3h.

January through March, October through December, with an average maximum UV index of 7, are months with the highest UV index.

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

30.9°C

31.2°C

31.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17km/h

16.7km/h

15km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.9

13.5

10.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Japoatã, Brazil

Average high temperature in December: 31.2°C

The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (26.6°C).

Average low temperature in December: 23.4°C

The month with the highest average low temperature is March (24.4°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).

Average pressure in December
Japoatã, Brazil

Average pressure in December: 1012.2mbar

The month with the highest atmospheric pressure is August (1017.3mbar).
The month with the lowest atmospheric pressure is March (1012.1mbar).

Average wind speed in December
Japoatã, Brazil

Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is November (15.5km/h).
The calmest month (with the lowest average wind speed) is May (10km/h).

Average humidity in December
Japoatã, Brazil

Average humidity in December: 71%

The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is December (71%).

Average rainfall in December
Japoatã, Brazil

Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is November (16mm).

Average rainfall days in December
Japoatã, Brazil

Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is November (11.5 days).

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

Average daylight in December: 12h and 42min

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

Average sunshine in December: 8h and 18min

The month with the most sunshine is March (Average sunshine: 8h and 24min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).

Average sunshine days in December
Japoatã, Brazil

Average sunshine days in December: 13.5 days

The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is August (2 days).

Average UV index in December
Japoatã, Brazil

Average UV index in December: 7

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

Average cloud cover in December
Japoatã, Brazil

Average cloud cover in December: 34

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is December (Cloud cover 34).

Average visibility in December
Japoatã, Brazil

Average visibility in December: 10km

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