December weather forecastCornélio Procópio, Brazil

December

Weather in December

December, the first month of the summer in Cornélio Procópio, is still a warm month, with an average temperature ranging between max 29.4°C (84.9°F) and min 19.5°C (67.1°F).

Temperature

With the onset of December, the average high-temperature registers at a still moderately hot 29.4°C (84.9°F), subtly different from November's 29.5°C (85.1°F). In Cornélio Procópio, an average nighttime temperature of 19.5°C (67.1°F) is expected during December.

Heat index

The heat index for December is estimated at a torrid 36°C (96.8°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Cornélio Procópio, in December, it is raining for 25.1 days, with typically 139mm (5.47") of accumulated precipitation. Throughout the year, in Cornélio Procópio, there are 202.5 rainfall days, and 1195mm (47.05") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year in Cornélio Procópio.
On the first day of December, sunrise is at 05:28 and sunset at 18:55. On the last day of the month, sunrise is at 05:39 and sunset at 19:11 -03.

Sunshine

In December, the average sunshine in Cornélio Procópio is 7.9h.

UV index

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index in Cornélio Procópio. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 5 transforms into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Cornélio Procópio, in December, the average high-temperature is 29.4°C (84.9°F), and the average low-temperature is 19.5°C (67.1°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in December is estimated at 36°C (96.8°F).

In December, the average relative humidity is 81%.

In Cornélio Procópio, Brazil, during December, the rain falls for 25.1 days and regularly aggregates up to 139mm (5.47") of precipitation.

December has the longest days of the year, with an average of 13h and 30min of daylight.

The average day length in December in Cornélio Procópio is 13h and 32min.

On the first day of December in Cornélio Procópio, sunrise is at 05:28 and sunset at 18:55. On the last day of the month, sunrise is at 05:39 and sunset at 19:11 -03.

In Cornélio Procópio, Brazil, the average sunshine duration in December is 7.9h.

The months with the lowest UV index in Cornélio Procópio are April through July and December, with an average maximum UV index of 5.

The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

29.5°C

29.4°C

28.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.5km/h

9.7km/h

9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

9.1

4.6

3.1

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cornélio Procópio, Brazil

Average high temperature in December: 29.4°C

The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (22.5°C).

Average low temperature in December: 19.5°C

The months with the highest average low temperature are February and December (19.5°C).
The coldest months (with the lowest average low temperature) are June and July (13.3°C).

Average pressure in December
Cornélio Procópio, Brazil

Average pressure in December: 1010.8mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in December
Cornélio Procópio, Brazil

Average wind speed in December: 8.8km/h

The windiest month (with the highest average wind speed) is September (10.9km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).

Average humidity in December
Cornélio Procópio, Brazil

Average humidity in December: 81%

The months with the highest relative humidity are January, February and June (86%).
The month with the lowest relative humidity is September (64%).

Average rainfall in December
Cornélio Procópio, Brazil

Average rainfall in December: 139mm

The wettest month (with the highest rainfall) is January (197mm).
The driest month (with the least rainfall) is August (40mm).

Average rainfall days in December
Cornélio Procópio, Brazil

Average rainfall days in December: 25.1 days

The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (7.1 days).

Average daylight in December /
Average sunshine in December
Cornélio Procópio, Brazil

Average daylight in December: 13h and 30min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).

Average sunshine in December: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).

Average sunshine days in December
Cornélio Procópio, Brazil

Average sunshine days in December: 4.6 days

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (2.7 days).

Average UV index in December
Cornélio Procópio, Brazil

Average UV index in December: 5

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