December weather forecast
Tenente Ananias, Brazil

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Weather in December

December, the first month of the summer in Tenente Ananias, is still a tropical month, with an average temperature ranging between max 34°C (93.2°F) and min 23.3°C (73.9°F).

Temperature

Tenente Ananias notes an average high-temperature of a still hot 34°C (93.2°F) in December, hardly diverging from November. In December, the temperature drops to an average of 23.3°C (73.9°F) at night.

Heat index

The heat index in December is calculated to be a torrid 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. 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 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 extremely vital to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. 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. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in December is 52%.

Rainfall

In December, in Tenente Ananias, the rain falls for 12.2 days. Throughout December, 35mm (1.38") of precipitation is accumulated. In Tenente Ananias, during the entire year, the rain falls for 161.9 days and collects up to 582mm (22.91") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:07 and sunset at 17:36. On the last day of December, sunrise is at 05:21 and sunset at 17:50 -03.

Sunshine

In December, the average sunshine is 9.1h.

UV index

The months with the highest UV index are January through March, August through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

How hot does it get in December?

In December, the average high-temperature and low-temperature are 34°C (93.2°F) and 23.3°C (73.9°F) respectively. In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 39°C (102.2°F).

What is the average humidity in December?

In December, the average relative humidity is 52%.

How much does it rain in December?

In Tenente Ananias, during December, the rain falls for 12.2 days and regularly aggregates up to 35mm (1.38") of precipitation.

When are the longest days?

The month with the longest days in Tenente Ananias is December, with an average of 12h and 30min of daylight.

What is the average length of the day in December?

The average day length in December is 12h and 29min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 05:07 and sunset at 17:36. On the last day of the month, sunrise is at 05:21 and sunset at 17:50 -03.

How long on average sun shines in December?

In December, the average sunshine duration is 9.1h.

What is the month with the highest UV index?

January through March, August through December, with an average maximum UV index of 7, are months with the highest UV index in Tenente Ananias.

What is the UV index reading in December?

In December, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in December
Tenente Ananias, Brazil

Average temperature in December - Tenente Ananias, Brazil
  • Average high temperature in December: 34°C

The warmest month (with the highest average high temperature) is October (34.7°C).
The month with the lowest average high temperature is June (30.6°C).

  • Average low temperature in December: 23.3°C

The month with the highest average low temperature is December (23.3°C).
The coldest month (with the lowest average low temperature) is July (19°C).

Average pressure in December
Tenente Ananias, Brazil

Average pressure in December - Tenente Ananias, Brazil
  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1015.4mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

Average wind speed in December
Tenente Ananias, Brazil

Average wind speed in December - Tenente Ananias, Brazil
  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is October (16.6km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).

Average humidity in December
Tenente Ananias, Brazil

Average humidity in December - Tenente Ananias, Brazil
  • Average humidity in December: 52%

The months with the highest relative humidity are April and May (73%).
The months with the lowest relative humidity are October and November (48%).

Average rainfall in December
Tenente Ananias, Brazil

Average rainfall in December - Tenente Ananias, Brazil
  • Average rainfall in December: 35mm

The wettest month (with the highest rainfall) is March (123mm).
The driest month (with the least rainfall) is September (2mm).

Average rainfall days in December
Tenente Ananias, Brazil

Average rainfall days in December - Tenente Ananias, Brazil
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is March (24.8 days).
The month with the least rainy days is September (2.7 days).

Average daylight in December /
Average sunshine in December
Tenente Ananias, Brazil

Average daylight in December / Average sunshine in December - Tenente Ananias, Brazil
  • Average daylight in December: 12h and 3min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in December: 9h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 48min).
The months with the least sunshine are March and April (Average sunshine: 8h and 12min).

Average sunshine days in December
Tenente Ananias, Brazil

Average sunshine days in December - Tenente Ananias, Brazil
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is September (26.1 days).
The month with the least sunshine days is April (4.9 days).

Average UV index in December
Tenente Ananias, Brazil

Average UV index in December - Tenente Ananias, Brazil
  • Average UV index in December: 7

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

Average cloud cover in December
Tenente Ananias, Brazil

Average cloud cover in December - Tenente Ananias, Brazil
  • Average cloud cover in December: 30

The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in December
Tenente Ananias, Brazil

Average visibility in December - Tenente Ananias, Brazil
  • Average visibility in December: 10km

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

Tenente Ananias, Brazil

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