December weather forecast
Galinhos, Brazil

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Weather in December

December, the first month of the summer in Galinhos, is still a torrid month, with an average temperature varying between 24.2°C (75.6°F) and 35°C (95°F).

Temperature

The advent of December brings an average high-temperature of a still torrid 35°C (95°F), exhibiting minor difference from the previous month. Nighttime temperature in Galinhos experiences an average drop to a moderately hot 24.2°C (75.6°F) in December.

Heat index

Throughout December, the heat index is calculated to be a scorching 44°C (111.2°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in December in Galinhos is 57%.

Rainfall

In Galinhos, Brazil, during December, the rain falls for 4.3 days and regularly aggregates up to 10mm (0.39") of precipitation. Throughout the year, in Galinhos, there are 112.4 rainfall days, and 381mm (15") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:02 and sunset at 17:26. On the last day of December, sunrise is at 05:15 and sunset at 17:40 -03.

Sunshine

The average sunshine in December is 8.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 7 during December translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is it in Galinhos in December?

In December, in Galinhos, the average high-temperature is 35°C (95°F), and the average low-temperature is 24.2°C (75.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 44°C (111.2°F).

What is the average humidity in December in Galinhos?

The average relative humidity in December in Galinhos is 57%.

How many days does it rain in December in Galinhos?

In December, in Galinhos, the rain falls for 4.3 days. Throughout December, 10mm (0.39") of precipitation is accumulated.

When are the longest days in Galinhos?

The month with the longest days is December, with an average of 12h and 24min of daylight.

How many hours of daylight does Galinhos have in December?

The average day length in December in Galinhos is 12h and 25min.

When are sunrise and sunset in December in Galinhos?

On the first day of December, sunrise is at 05:02 and sunset at 17:26. On the last day of the month, sunrise is at 05:15 and sunset at 17:40 -03.

How many hours of sunshine does Galinhos have in December?

In December, the average sunshine duration is 8.9h.

What are the months with the highest UV index in Galinhos?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

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

The months with the lowest UV index in Galinhos are January through December, with an average maximum UV index of 7.

What is the UV index intensity in December in Galinhos?

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

Average temperature in December
Galinhos, Brazil

Average temperature in December - Galinhos, Brazil
  • Average high temperature in December: 35°C

The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is July (32°C).

  • Average low temperature in December: 24.2°C

The month with the highest average low temperature is January (24.6°C).
The coldest months (with the lowest average low temperature) are July and August (21.7°C).

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Average pressure in December
Galinhos, Brazil

Average pressure in December - Galinhos, Brazil
  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

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Average wind speed in December
Galinhos, Brazil

Average wind speed in December - Galinhos, Brazil
  • Average wind speed in December: 19km/h

The windiest months (with the highest average wind speed) are September and October (20.5km/h).
The calmest month (with the lowest average wind speed) is April (12.3km/h).

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Average humidity in December
Galinhos, Brazil

Average humidity in December - Galinhos, Brazil
  • Average humidity in December: 57%

The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are September and October (55%).

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Average rainfall in December
Galinhos, Brazil

Average rainfall in December - Galinhos, Brazil
  • Average rainfall in December: 10mm

The wettest month (with the highest rainfall) is March (92mm).
The driest months (with the least rainfall) are October and November (1mm).

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Average rainfall days in December
Galinhos, Brazil

Average rainfall days in December - Galinhos, Brazil
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is April (17.2 days).
The month with the least rainy days is November (1.4 days).

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

Average daylight in December / Average sunshine in December - Galinhos, Brazil
  • Average daylight in December: 12h and 2min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in December: 8h and 5min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 8h and 18min).

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Average sunshine days in December
Galinhos, Brazil

Average sunshine days in December - Galinhos, Brazil
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is October (28.5 days).
The month with the least sunshine days is April (11.8 days).

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Average UV index in December
Galinhos, Brazil

Average UV index in December - Galinhos, Brazil
  • Average UV index in December: 7

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

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Average cloud cover in December
Galinhos, Brazil

Average cloud cover in December - Galinhos, Brazil
  • Average cloud cover in December: 27

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 16).

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Average visibility in December
Galinhos, Brazil

Average visibility in December - Galinhos, Brazil
  • Average visibility in December: 10km

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

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Galinhos, Brazil

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