December weather forecastPonta do Mutá, Brazil

December

Weather in December

The first month of the summer, December, is a hot month in Ponta do Mutá, Brazil, with an average temperature fluctuating between 19.5°C (67.1°F) and 30.4°C (86.7°F).

Temperature

The average high-temperature is a tropical 30.4°C (86.7°F) in December, hardly different from the 29.1°C (84.4°F) recorded in November. During December, the nighttime temperature averages of 19.5°C (67.1°F).

Heat index

December's heat index is estimated at a blisteringly hot 40°C (104°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
For clarity, heat index numbers account for light winds and areas under shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. 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. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In Ponta do Mutá, the average relative humidity in December is 82%.

Rainfall

In Ponta do Mutá, in December, during 19 rainfall days, 55mm (2.17") of precipitation is typically accumulated. Throughout the year, there are 241.8 rainfall days, and 524mm (20.63") of precipitation is accumulated.

Sea temperature

In Ponta do Mutá, Brazil, in December, the average water temperature is 27°C (80.6°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.

Daylight

With an average of 12h and 54min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 04:58 and sunset at 17:51. On the last day of December, sunrise is at 05:11 and sunset at 18:07 -03.

Sunshine

In December, the average sunshine is 7.5h.

UV index

January through May, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! Reflections of sand and water make the Sun's UV rays stronger.

Frequently asked questions

December temperatures vary between a high-temperature of 30.4°C (86.7°F) and a low-temperature of 19.5°C (67.1°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in December is estimated at 40°C (104°F).

In December, the average relative humidity is 82%.

In Ponta do Mutá, in December, during 19 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

In Ponta do Mutá, in December, the average water temperature is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

With an average of 12h and 54min of daylight, December has the longest days of the year.

In Ponta do Mutá, the average day length in December is 12h and 56min.

In December, on the first day of the month, sunrise is at 04:58 and sunset at 17:51. On the last day of the month, sunrise is at 05:11 and sunset at 18:07 -03.

In Ponta do Mutá, Brazil, the average sunshine duration in December is 7.5h.

The months with the highest UV index are January through May, September through December, with an average maximum UV index of 6.

In Ponta do Mutá, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ponta do Mutá, Brazil

  • Average high temperature in December: 30.4°C

The warmest months (with the highest average high temperature) are February and March (30.8°C).
The month with the lowest average high temperature is July (25.6°C).

  • Average low temperature in December: 19.5°C

The month with the highest average low temperature is March (19.8°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).

Average pressure in December
Ponta do Mutá, Brazil

  • Average pressure in December: 1013mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is December (1013mbar).

Average wind speed in December
Ponta do Mutá, Brazil

  • Average wind speed in December: 6.7km/h

The windiest month (with the highest average wind speed) is October (7.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).

Average humidity in December
Ponta do Mutá, Brazil

  • Average humidity in December: 82%

The months with the highest relative humidity are June and July (87%).
The month with the lowest relative humidity is February (81%).

Average rainfall in December
Ponta do Mutá, Brazil

  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is March (69mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in December
Ponta do Mutá, Brazil

  • Average rainfall days in December: 19 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is February (16.2 days).

Average sea temperature in December
Ponta do Mutá, Brazil

  • Average sea temperature in December: 27°C

The best months for swimming (with the highest average sea temperature) are January, February, March, April and May (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).

Average daylight in December /
Average sunshine in December
Ponta do Mutá, Brazil

  • Average daylight in December: 12h and 54min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in December: 7h and 30min

The months with the most sunshine are January and February (Average sunshine: 8h and 6min).
The months with the least sunshine are June and July (Average sunshine: 4h and 42min).

Average sunshine days in December
Ponta do Mutá, Brazil

  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is January (8.3 days).
The month with the least sunshine days is July (4.3 days).

Average UV index in December
Ponta do Mutá, Brazil

  • Average UV index in December: 6

The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 5).

Average cloud cover in December
Ponta do Mutá, Brazil

  • Average cloud cover in December: 65

The months with the most cloud cover are May, June and July (Cloud cover 72).
The months with the least cloud cover are January and February (Cloud cover 63).

Average visibility in December
Ponta do Mutá, Brazil

  • Average visibility in December: 6km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6km).
The month with the lowest visibility is July (5km).