December weather forecastBoca do Acre, Brazil

December

Weather in December

The first month of the summer, December, is still a hot month in Boca do Acre, Brazil, with an average temperature ranging between max 30.1°C (86.2°F) and min 22.3°C (72.1°F).

Temperature

December denotes a minimal variation in the average high-temperature to a still tropical 30.1°C (86.2°F) from November's 32.2°C (90°F). During December, the temperature in Boca do Acre is averaged to a low of 22.3°C (72.1°F) at night.

Heat index

The heat index in December is evaluated at a blisteringly hot 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In Boca do Acre, the average relative humidity in December is 87%.

Rainfall

In Boca do Acre, in December, it is raining for 26.4 days, with typically 180mm (7.09") of accumulated precipitation. Throughout the year, there are 233.4 rainfall days, and 1251mm (49.25") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 06:00 and sunset at 18:36. On the last day of the month, sunrise is at 06:14 and sunset at 18:51 -04.

Sunshine

The average sunshine in December in Boca do Acre, Brazil, is 6.2h.

UV index

The months with the lowest UV index are January through June and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 6 transforms into these recommendations:
Deflect overexposure. Sun protection is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

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

Frequently asked questions

The high-temperature, in December, in Boca do Acre, records 30.1°C (86.2°F), while the low-temperature is 22.3°C (72.1°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is evaluated at 40°C (104°F).

The average relative humidity in December in Boca do Acre, Brazil, is 87%.

In Boca do Acre, Brazil, during December, the rain falls for 26.4 days and regularly aggregates up to 180mm (7.09") of precipitation.

December has the longest days of the year in Boca do Acre, with an average of 12h and 36min of daylight.

In December, the average day length in Boca do Acre is 12h and 38min.

In December, on the first day of the month, sunrise is at 06:00 and sunset at 18:36. On the last day of the month, in Boca do Acre, Brazil, sunrise is at 06:14 and sunset at 18:51 -04.

In Boca do Acre, Brazil, the average sunshine duration in December is 6.2h.

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Boca do Acre, Brazil.

In Boca do Acre, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

32.2°C

30.1°C

29.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.6km/h

5.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

6.3

3.8

1.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Boca do Acre, Brazil

Average high temperature in December: 30.1°C

The warmest month (with the highest average high temperature) is September (35.5°C).
The month with the lowest average high temperature is January (29.2°C).

Average low temperature in December: 22.3°C

The month with the highest average low temperature is September (23.1°C).
The coldest month (with the lowest average low temperature) is July (19.7°C).

Average pressure in December
Boca do Acre, Brazil

Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is July (1013.5mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).

Average wind speed in December
Boca do Acre, Brazil

Average wind speed in December: 5km/h

The windiest month (with the highest average wind speed) is August (5.1km/h).
The calmest month (with the lowest average wind speed) is May (4.2km/h).

Average humidity in December
Boca do Acre, Brazil

Average humidity in December: 87%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (54%).

Average rainfall in December
Boca do Acre, Brazil

Average rainfall in December: 180mm

The wettest month (with the highest rainfall) is February (200mm).
The driest month (with the least rainfall) is July (11mm).

Average rainfall days in December
Boca do Acre, Brazil

Average rainfall days in December: 26.4 days

The month with the highest number of rainy days is January (29 days).
The month with the least rainy days is August (6 days).

Average daylight in December /
Average sunshine in December
Boca do Acre, Brazil

Average daylight in December: 12h and 36min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).

Average sunshine in December: 6h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

Average sunshine days in December
Boca do Acre, Brazil

Average sunshine days in December: 3.8 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is January (1.5 days).

Average UV index in December
Boca do Acre, Brazil

Average UV index in December: 6

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