December weather forecastTesouro, Brazil

December

Weather in December

December, the first month of the summer in Tesouro, is still a warm month, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 20.8°C (69.4°F).

Temperature

In December, the average high-temperature registers at a still warm 28.9°C (84°F), nearly identical to November's 29.8°C (85.6°F). In the month of December, Tesouro records a consistent average low-temperature of 20.8°C (69.4°F).

Heat index

The average heat index in December is evaluated at a fiery hot 35°C (95°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In December, the average relative humidity in Tesouro, Brazil, is 82%.

Rainfall

In Tesouro, in December, it is raining for 27.5 days, with typically 175mm (6.89") of accumulated precipitation. Throughout the year, there are 201.9 rainfall days, and 1202mm (47.32") of precipitation is accumulated.

Daylight

December has the longest days of the year in Tesouro, Brazil, with an average of 13h and 6min of daylight.
On the first day of December in Tesouro, sunrise is at 04:52 and sunset at 17:54. On the last day of the month, sunrise is at 05:05 and sunset at 18:09 -04.

Sunshine

In December, the average sunshine in Tesouro is 8h.

UV index

The months with the lowest UV index are January through July, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

During December, Tesouro experiences an average high-temperature of 28.9°C (84°F) and a low-temperature of 20.8°C (69.4°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in December is evaluated at 35°C (95°F).

In Tesouro, Brazil, the average relative humidity in December is 82%.

In December, the rain falls for 27.5 days. Throughout December, 175mm (6.89") of precipitation is accumulated.

The month with the longest days is December, with an average of 13h and 6min of daylight.

In December, the average day length is 13h and 4min.

In December, on the first day of the month, sunrise is at 04:52 and sunset at 17:54. On the last day of the month, in Tesouro, sunrise is at 05:05 and sunset at 18:09 -04.

In December, the average sunshine duration is 8h.

January through July, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Tesouro.

In December, the average daily maximum UV index in Tesouro, Brazil, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Tesouro, Brazil

  • Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is September (34.5°C).
The month with the lowest average high temperature is May (27.9°C).

  • Average low temperature in December: 20.8°C

The month with the highest average low temperature is October (21.8°C).
The coldest month (with the lowest average low temperature) is July (16.9°C).

Average pressure in December
Tesouro, Brazil

  • Average pressure in December: 1010.5mbar

The month with the highest atmospheric pressure is July (1016.2mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

Average wind speed in December
Tesouro, Brazil

  • Average wind speed in December: 6.9km/h

The windiest month (with the highest average wind speed) is August (8.7km/h).
The calmest month (with the lowest average wind speed) is March (5.5km/h).

Average humidity in December
Tesouro, Brazil

  • Average humidity in December: 82%

The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is August (39%).

Average rainfall in December
Tesouro, Brazil

  • Average rainfall in December: 175mm

The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in December
Tesouro, Brazil

  • Average rainfall days in December: 27.5 days

The month with the highest number of rainy days is March (27.9 days).
The months with the least rainy days are July and August (1.3 days).

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

  • Average daylight in December: 13h and 6min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in December: 8h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 7h).

Average sunshine days in December
Tesouro, Brazil

  • Average sunshine days in December: 2.4 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is February (1.8 days).

Average UV index in December
Tesouro, Brazil

  • Average UV index in December: 6

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

Average cloud cover in December
Tesouro, Brazil

  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Tesouro, Brazil

  • Average visibility in December: 8km

The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is March (7km).