December weather forecastPiancó, Brazil

December

Weather in December

December, the first month of the summer in Piancó, is also a hot month, with an average temperature ranging between max 34.6°C (94.3°F) and min 23.6°C (74.5°F).

Temperature

As Piancó welcomes December, the average high-temperature is noted at a tropical 34.6°C (94.3°F), closely aligning with the preceding month. The average temperature drops to a warm 23.6°C (74.5°F) during the night in the month of December.

Heat index

Throughout December, the heat index is estimated at a scorching 40°C (104°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In December, the average relative humidity is 51%.

Rainfall

In Piancó, Brazil, in December, during 10.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Piancó, Brazil, during the entire year, the rain falls for 148.4 days and collects up to 508mm (20") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:05 and sunset at 17:36. On the last day of December, sunrise is at 05:18 and sunset at 17:51 -03.

Sunshine

In December, the average sunshine in Piancó is 9.3h.

UV index

January through March, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The high-temperature, in December, in Piancó, records 34.6°C (94.3°F), while the low-temperature is 23.6°C (74.5°F). In December, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is estimated at 40°C (104°F).

In December, the average relative humidity is 51%.

In Piancó, Brazil, in December, during 10.8 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

With an average of 12h and 30min of daylight, December has the longest days of the year in Piancó.

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

In December, on the first day of the month, sunrise is at 05:05 and sunset at 17:36. On the last day of the month, in Piancó, Brazil, sunrise is at 05:18 and sunset at 17:51 -03.

In December, the average sunshine duration is 9.3h.

The months with the highest UV index in Piancó are January through March, August through December, with an average maximum UV index of 7.

In Piancó, Brazil, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Piancó, Brazil

  • Average high temperature in December: 34.6°C

The warmest month (with the highest average high temperature) is November (35.5°C).
The months with the lowest average high temperature are June and July (31.3°C).

  • Average low temperature in December: 23.6°C

The months with the highest average low temperature are November and December (23.6°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).

Average pressure in December
Piancó, Brazil

  • Average pressure in December: 1011mbar

The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed in December
Piancó, Brazil

  • Average wind speed in December: 16.2km/h

The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is April (9.9km/h).

Average humidity in December
Piancó, Brazil

  • Average humidity in December: 51%

The months with the highest relative humidity are April and May (71%).
The month with the lowest relative humidity is November (48%).

Average rainfall in December
Piancó, Brazil

  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is March (100mm).
The driest month (with the least rainfall) is September (1mm).

Average rainfall days in December
Piancó, Brazil

  • Average rainfall days in December: 10.8 days

The months with the highest number of rainy days are March and April (22.7 days).
The month with the least rainy days is September (1.5 days).

Average daylight in December /
Average sunshine in December
Piancó, 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: 9h and 18min

The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 42min).

Average sunshine days in December
Piancó, Brazil

  • Average sunshine days in December: 18 days

The month with the most sunshine days is September (27.8 days).
The month with the least sunshine days is April (6.7 days).

Average UV index in December
Piancó, Brazil

  • Average UV index in December: 7

The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 6).

Average cloud cover in December
Piancó, Brazil

  • Average cloud cover in December: 27

The months with the most cloud cover are March and April (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in December
Piancó, Brazil

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).