December weather forecast
Palmas de Monte Alto, Brazil

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Weather in December

The first month of the summer, December, is still a warm month in Palmas de Monte Alto, Brazil, with an average temperature ranging between min 19.5°C (67.1°F) and max 29°C (84.2°F).

Temperature

Palmas de Monte Alto's December average high-temperature settles at a still warm 29°C (84.2°F), showing a near match with the preceding month. In Palmas de Monte Alto, an average low-temperature of 19.5°C (67.1°F) is recorded during December nights.

Heat index

The average heat index in December is computed to be a tropical 34°C (93.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Palmas de Monte Alto, the average relative humidity in December is 75%.

Rainfall

In Palmas de Monte Alto, in December, during 17.4 rainfall days, 99mm (3.9") of precipitation is typically accumulated. Throughout the year, in Palmas de Monte Alto, there are 127.4 rainfall days, and 611mm (24.06") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 0min of daylight.
On the first day of the month, sunrise is at 05:14 and sunset at 18:09. On the last day of December, in Palmas de Monte Alto, sunrise is at 05:27 and sunset at 18:24 -03.

Sunshine

In Palmas de Monte Alto, the average sunshine in December is 10h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a daily UV index of 6 turns into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

How hot is December in Palmas de Monte Alto?

December temperatures in Palmas de Monte Alto vary between a high-temperature of 29°C (84.2°F) and a low-temperature of 19.5°C (67.1°F). In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 34°C (93.2°F).

What is the average humidity in December in Palmas de Monte Alto?

In December, the average relative humidity in Palmas de Monte Alto is 75%.

How many days does it rain in December in Palmas de Monte Alto?

In Palmas de Monte Alto, in December, during 17.4 rainfall days, 99mm (3.9") of precipitation is typically accumulated.

When are the longest days in Palmas de Monte Alto?

December has the longest days of the year, with an average of 13h and 0min of daylight.

How many hours of daylight does Palmas de Monte Alto have in December?

In Palmas de Monte Alto, the average day length in December is 12h and 58min.

When is the sunrise / sunset in December in Palmas de Monte Alto?

In December, on the first day of the month, sunrise is at 05:14 and sunset at 18:09. On the last day of the month, sunrise is at 05:27 and sunset at 18:24 -03.

How many hours of sunshine does Palmas de Monte Alto have in December?

The average sunshine duration in December in Palmas de Monte Alto is 10h.

What are the months with the lowest UV index in Palmas de Monte Alto?

January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Palmas de Monte Alto, Brazil.

What is the UV index intensity in December in Palmas de Monte Alto?

The average daily maximum UV index in December in Palmas de Monte Alto, Brazil, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in December
Palmas de Monte Alto, Brazil

Average temperature in December - Palmas de Monte Alto, Brazil
  • Average high temperature in December: 29°C

The warmest month (with the highest average high temperature) is October (31.5°C).
The months with the lowest average high temperature are June and July (27.3°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is November (19.9°C).
The coldest month (with the lowest average low temperature) is July (16.3°C).

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Average pressure in December
Palmas de Monte Alto, Brazil

Average pressure in December - Palmas de Monte Alto, Brazil
  • Average pressure in December: 1012.4mbar

The month with the highest atmospheric pressure is July (1018.6mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

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Average wind speed in December
Palmas de Monte Alto, Brazil

Average wind speed in December - Palmas de Monte Alto, Brazil
  • Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is August (14.4km/h).
The calmest month (with the lowest average wind speed) is March (8.9km/h).

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Average humidity in December
Palmas de Monte Alto, Brazil

Average humidity in December - Palmas de Monte Alto, Brazil
  • Average humidity in December: 75%

The months with the highest relative humidity are January, March and April (76%).
The month with the lowest relative humidity is September (54%).

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Average rainfall in December
Palmas de Monte Alto, Brazil

Average rainfall in December - Palmas de Monte Alto, Brazil
  • Average rainfall in December: 99mm

The wettest month (with the highest rainfall) is November (124mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in December
Palmas de Monte Alto, Brazil

Average rainfall days in December - Palmas de Monte Alto, Brazil
  • Average rainfall days in December: 17.4 days

The months with the highest number of rainy days are March and November (19.3 days).
The month with the least rainy days is August (0.9 days).

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Average daylight in December /
Average sunshine in December
Palmas de Monte Alto, Brazil

Average daylight in December / Average sunshine in December - Palmas de Monte Alto, Brazil
  • Average daylight in December: 13h and 0min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in December: 10h and 0min

The month with the most sunshine is February (Average sunshine: 10h and 24min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

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Average sunshine days in December
Palmas de Monte Alto, Brazil

Average sunshine days in December - Palmas de Monte Alto, Brazil
  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is November (9.4 days).

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Average UV index in December
Palmas de Monte Alto, Brazil

Average UV index in December - Palmas de Monte Alto, Brazil
  • Average UV index in December: 6

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

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Average cloud cover in December
Palmas de Monte Alto, Brazil

Average cloud cover in December - Palmas de Monte Alto, Brazil
  • Average cloud cover in December: 37

The month with the most cloud cover is November (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).

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Average visibility in December
Palmas de Monte Alto, Brazil

Average visibility in December - Palmas de Monte Alto, Brazil
  • Average visibility in December: 9km

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

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Palmas de Monte Alto, Brazil

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