December weather forecastPicos, Brazil

December

Weather in December

December, the first month of the summer in Picos, is still a hot month, with an average temperature fluctuating between 23.7°C (74.7°F) and 33.6°C (92.5°F).

Temperature

The arrival of December brings an average high-temperature of a hot 33.6°C (92.5°F), closely following the temperature pattern of November. In December, Picos records an average nighttime temperature of 23.7°C (74.7°F).

Heat index

December's average heat index is appraised at an extremely hot 40°C (104°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in December in Picos is 56%.

Rainfall

In Picos, Brazil, in December, during 17.6 rainfall days, 78mm (3.07") of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 872mm (34.33") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:19 and sunset at 17:50. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 -03.

Sunshine

In Picos, the average sunshine in December is 9h.

UV index

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 the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

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

Frequently asked questions

The high-temperature during December is 33.6°C (92.5°F) and the low-temperature is 23.7°C (74.7°F). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in December is appraised at 40°C (104°F).

The average relative humidity in December in Picos, Brazil, is 56%.

In Picos, Brazil, during December, the rain falls for 17.6 days and regularly aggregates up to 78mm (3.07") of precipitation.

The month with the longest days in Picos is December, with an average of 12h and 30min of daylight.

The average day length in December in Picos is 12h and 32min.

On the first day of December in Picos, sunrise is at 05:19 and sunset at 17:50. On the last day of the month, sunrise is at 05:33 and sunset at 18:04 -03.

The average sunshine duration in December is 9h.

In December, the average daily maximum UV index in Picos, Brazil, is 7. A UV Index value of 6 to 7 symbolizes 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

35°C

33.6°C

32.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.3km/h

11km/h

9.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

16.4

11.5

5.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Picos, Brazil

Average high temperature in December: 33.6°C

The warmest month (with the highest average high temperature) is October (36°C).
The months with the lowest average high temperature are March and April (31.3°C).

Average low temperature in December: 23.7°C

The month with the highest average low temperature is November (24.9°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).

Average pressure in December
Picos, Brazil

Average pressure in December: 1010.2mbar

The month with the highest atmospheric pressure is July (1014.8mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).

Average wind speed in December
Picos, Brazil

Average wind speed in December: 10.3km/h

The windiest month (with the highest average wind speed) is July (16.9km/h).
The calmest month (with the lowest average wind speed) is March (8.1km/h).

Average humidity in December
Picos, Brazil

Average humidity in December: 56%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (42%).

Average rainfall in December
Picos, Brazil

Average rainfall in December: 78mm

The wettest month (with the highest rainfall) is March (200mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in December
Picos, Brazil

Average rainfall days in December: 17.6 days

The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.3 days).

Average daylight in December /
Average sunshine in December
Picos, 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 0min

The months with the most sunshine are August and September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 36min).

Average sunshine days in December
Picos, Brazil

Average sunshine days in December: 11.5 days

The month with the most sunshine days is August (30.5 days).
The month with the least sunshine days is March (3.3 days).

Average UV index in December
Picos, Brazil

Average UV index in December: 7

The months with the highest UV index are September and October (UV index 8).
The months with the lowest UV index are February and April (UV index 6).

Average cloud cover in December
Picos, Brazil

Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in December
Picos, Brazil

Average visibility in December: 10km

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