December weather forecast
Guapó, Brazil

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Weather in December

The first month of the summer, December, is also a moderately hot month in Guapó, Brazil, with an average temperature fluctuating between 27.4°C (81.3°F) and 19°C (66.2°F).

Temperature

The arrival of December is marked by an average high-temperature of a still warm 27.4°C (81.3°F), bearing a close resemblance to November. Guapó's average low-temperature for the month of December records at an enjoyable 19°C (66.2°F).

Heat index

The average heat index in December is evaluated at a hot 32°C (89.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In Guapó, the average relative humidity in December is 87%.

Rainfall

In Guapó, during December, the rain falls for 30.4 days and regularly aggregates up to 221mm (8.7") of precipitation. Throughout the year, there are 223.7 rainfall days, and 1382mm (54.41") of precipitation is accumulated.

Daylight

With an average of 13h and 6min of daylight, December has the longest days of the year in Guapó.
On the first day of the month, sunrise is at 05:35 and sunset at 18:39. On the last day of December, sunrise is at 05:47 and sunset at 18:54 -03.

Sunshine

The average sunshine in December is 7h.

UV index

The months with the lowest UV index in Guapó are February, March, May, October through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 5 translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Resources | Updated: Feb 2, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the temperature in December in Guapó?

An average high-temperature, in December, in Guapó, is 27.4°C (81.3°F) and the average low-temperature is 19°C (66.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in December is evaluated at 32°C (89.6°F).

What is the average humidity in December in Guapó?

The average relative humidity in December in Guapó is 87%.

How many days does it rain in December in Guapó?

In Guapó, Brazil, in December, during 30.4 rainfall days, 221mm (8.7") of precipitation is typically accumulated.

When are the longest days in Guapó?

December has the longest days of the year in Guapó, with an average of 13h and 6min of daylight.

How many hours of daylight does Guapó have in December?

In Guapó, the average day length in December is 13h and 7min.

When is the sunrise / sunset in December in Guapó?

In December, on the first day of the month, sunrise is at 05:35 and sunset at 18:39. On the last day of the month, sunrise is at 05:47 and sunset at 18:54 -03.

How long on average sun shines in December in Guapó?

In Guapó, Brazil, the average sunshine duration in December is 7h.

What is the month with the lowest UV index in Guapó?

February, March, May, October through December, with an average maximum UV index of 5, are months with the lowest UV index in Guapó.

How high is the UV index in December in Guapó?

In December, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Guapó, Brazil

Average temperature in December - Guapó, Brazil
  • Average high temperature in December: 27.4°C

The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is May (26.2°C).

  • Average low temperature in December: 19°C

The month with the highest average low temperature is October (20.3°C).
The coldest month (with the lowest average low temperature) is June (15.6°C).

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Average pressure in December
Guapó, Brazil

Average pressure in December - Guapó, Brazil
  • Average pressure in December: 1011.5mbar

The month with the highest atmospheric pressure is July (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

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Average wind speed in December
Guapó, Brazil

Average wind speed in December - Guapó, Brazil
  • Average wind speed in December: 6.8km/h

The windiest month (with the highest average wind speed) is August (9.2km/h).
The calmest month (with the lowest average wind speed) is March (5.7km/h).

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Average humidity in December
Guapó, Brazil

Average humidity in December - Guapó, Brazil
  • Average humidity in December: 87%

The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in December
Guapó, Brazil

Average rainfall in December - Guapó, Brazil
  • Average rainfall in December: 221mm

The wettest month (with the highest rainfall) is November (223mm).
The driest month (with the least rainfall) is July (2mm).

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Average rainfall days in December
Guapó, Brazil

Average rainfall days in December - Guapó, Brazil
  • Average rainfall days in December: 30.4 days

The month with the highest number of rainy days is December (30.4 days).
The month with the least rainy days is August (1.5 days).

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

Average daylight in December / Average sunshine in December - Guapó, Brazil
  • Average daylight in December: 13h and 1min

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 6min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).

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Average sunshine days in December
Guapó, Brazil

Average sunshine days in December - Guapó, Brazil
  • Average sunshine days in December: 0.6 days

The month with the most sunshine days is August (29 days).
The months with the least sunshine days are February and December (0.6 days).

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Average UV index in December
Guapó, Brazil

Average UV index in December - Guapó, Brazil
  • Average UV index in December: 5

The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February, March, May, October, November and December (UV index 5).

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Average cloud cover in December
Guapó, Brazil

Average cloud cover in December - Guapó, Brazil
  • Average cloud cover in December: 59

The months with the most cloud cover are January, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in December
Guapó, Brazil

Average visibility in December - Guapó, Brazil
  • Average visibility in December: 7km

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

[Resources]

Guapó, Brazil

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