December weather forecastArceburgo, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Arceburgo, Brazil, with an average temperature varying between 28.1°C (82.6°F) and 19.2°C (66.6°F).

Temperature

December's arrival brings an average high-temperature of a still moderately hot 28.1°C (82.6°F), slightly deviating from November's 28°C (82.4°F). Arceburgo's average low-temperature during December nights is observed to be an enjoyable 19.2°C (66.6°F).

Heat index

Throughout December, the heat index is estimated at a tropical 33°C (91.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in December is 83%.

Rainfall

In Arceburgo, during December, the rain falls for 28.5 days and regularly aggregates up to 161mm (6.34") of precipitation. Throughout the year, there are 202.3 rainfall days, and 1025mm (40.35") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 24min of daylight.
On the first day of the month, sunrise is at 05:16 and sunset at 18:37. On the last day of December, sunrise is at 05:28 and sunset at 18:53 -03.

Sunshine

In December, the average sunshine in Arceburgo is 7.9h.

UV index

The months with the highest UV index in Arceburgo are January through March, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 6 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

In Arceburgo, in December, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 19.2°C (66.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 33°C (91.4°F).

The average relative humidity in December in Arceburgo is 83%.

In Arceburgo, in December, it is raining for 28.5 days, with typically 161mm (6.34") of accumulated precipitation.

The month with the longest days is December, with an average of 13h and 24min of daylight.

The average day length in December is 13h and 25min.

On the first day of December in Arceburgo, Brazil, sunrise is at 05:16 and sunset at 18:37. On the last day of the month, sunrise is at 05:28 and sunset at 18:53 -03.

In December, the average sunshine duration in Arceburgo, Brazil, is 7.9h.

January through March, August through December, with an average maximum UV index of 6, are months with the highest UV index in Arceburgo.

The average daily maximum UV index in December in Arceburgo, Brazil, is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to 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
Arceburgo, Brazil

  • Average high temperature in December: 28.1°C

The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23.4°C).

  • Average low temperature in December: 19.2°C

The month with the highest average low temperature is December (19.2°C).
The coldest month (with the lowest average low temperature) is July (13.5°C).

Average pressure in December
Arceburgo, Brazil

  • Average pressure in December: 1012mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012mbar).

Average wind speed in December
Arceburgo, Brazil

  • Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is March (7.2km/h).

Average humidity in December
Arceburgo, Brazil

  • Average humidity in December: 83%

The months with the highest relative humidity are March and April (86%).
The month with the lowest relative humidity is September (59%).

Average rainfall in December
Arceburgo, Brazil

  • Average rainfall in December: 161mm

The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Arceburgo, Brazil

  • Average rainfall days in December: 28.5 days

The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is August (3.9 days).

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

  • Average daylight in December: 13h and 24min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in December: 7h and 54min

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

Average sunshine days in December
Arceburgo, Brazil

  • Average sunshine days in December: 1 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is December (1 days).

Average UV index in December
Arceburgo, Brazil

  • Average UV index in December: 6

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

Average cloud cover in December
Arceburgo, Brazil

  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in December
Arceburgo, Brazil

  • Average visibility in December: 8km

The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, March, April and May (7km).