December weather forecastLagoa Seca, Brazil

December

Weather in December

December, the first month of the summer in Lagoa Seca, is also a hot month, with an average temperature fluctuating between 21.3°C (70.3°F) and 30.7°C (87.3°F).

Temperature

December's onset brings an average high-temperature of a still hot 30.7°C (87.3°F), showing a minute difference from November's 30.5°C (86.9°F). Lagoa Seca records a mean low-temperature of 21.3°C (70.3°F) in December.

Heat index

December's heat index is evaluated at a torrid 37°C (98.6°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

November and December, with an average relative humidity of 71%, are the least humid months.

Rainfall

In Lagoa Seca, in December, during 15.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Lagoa Seca, during the entire year, the rain falls for 212.6 days and collects up to 486mm (19.13") 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 December, sunrise is at 04:57 and sunset at 17:27. On the last day of the month, sunrise is at 05:10 and sunset at 17:42 -03.

Sunshine

In Lagoa Seca, the average sunshine in December is 6.9h.

UV index

January through June, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Shun overexposure. Protection from sun ravages is indispensable. 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. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Lagoa Seca, is 30.7°C (87.3°F) and the average low-temperature is 21.3°C (70.3°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 37°C (98.6°F).

The months with the lowest humidity in Lagoa Seca are November and December, with an average relative humidity of 71%.

In Lagoa Seca, Brazil, the average relative humidity in December is 71%.

In Lagoa Seca, Brazil, in December, during 15.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

December has the longest days of the year in Lagoa Seca, with an average of 12h and 30min of daylight.

In December, the average day length in Lagoa Seca is 12h and 32min.

On the first day of December, sunrise is at 04:57 and sunset at 17:27. On the last day of the month, sunrise is at 05:10 and sunset at 17:42 -03.

The average sunshine duration in December in Lagoa Seca is 6.9h.

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

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

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

30.5°C

30.7°C

30.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17km/h

16.4km/h

15km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

7.9

5.6

5.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Lagoa Seca, Brazil

Average high temperature in December: 30.7°C

The warmest month (with the highest average high temperature) is March (30.9°C).
The month with the lowest average high temperature is July (26.4°C).

Average low temperature in December: 21.3°C

The months with the highest average low temperature are February and March (21.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).

Average pressure in December
Lagoa Seca, Brazil

Average pressure in December: 1012mbar

The month with the highest atmospheric pressure is August (1016.1mbar).
The month with the lowest atmospheric pressure is February (1011.8mbar).

Average wind speed in December
Lagoa Seca, Brazil

Average wind speed in December: 15.2km/h

The windiest month (with the highest average wind speed) is October (16.2km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).

Average humidity in December
Lagoa Seca, Brazil

Average humidity in December: 71%

The months with the highest relative humidity are May, June and July (86%).
The months with the lowest relative humidity are November and December (71%).

Average rainfall in December
Lagoa Seca, Brazil

Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is March (88mm).
The driest month (with the least rainfall) is September (11mm).

Average rainfall days in December
Lagoa Seca, Brazil

Average rainfall days in December: 15.3 days

The month with the highest number of rainy days is May (21 days).
The months with the least rainy days are September and November (13.1 days).

Average daylight in December /
Average sunshine in December
Lagoa Seca, Brazil

Average daylight in December: 12h and 30min

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 42min).

Average sunshine in December: 6h and 54min

The months with the most sunshine are March and November (Average sunshine: 7h and 6min).
The month with the least sunshine is July (Average sunshine: 5h and 6min).

Average sunshine days in December
Lagoa Seca, Brazil

Average sunshine days in December: 5.6 days

The month with the most sunshine days is September (8.3 days).
The month with the least sunshine days is February (3.9 days).

Average UV index in December
Lagoa Seca, Brazil

Average UV index in December: 6

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