December weather forecastPrata do Piauí, Brazil

December

Weather in December

The first month of the summer, December, is still a tropical month in Prata do Piauí, Brazil, with an average temperature fluctuating between 23.9°C (75°F) and 33.8°C (92.8°F).

Temperature

Prata do Piauí records an average high-temperature of a tropical 33.8°C (92.8°F) as December arrives, nearly mirroring the previous month's climate. In Prata do Piauí, the average low-temperature during the month of December is a warm 23.9°C (75°F).

Heat index

December's average heat index is evaluated at an extremely hot 43°C (109.4°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air 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. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In December, the average relative humidity is 64%.

Rainfall

In Prata do Piauí, during December, the rain falls for 20 days and regularly aggregates up to 124mm (4.88") of precipitation. Throughout the year, there are 220.8 rainfall days, and 1560mm (61.42") of precipitation is accumulated.

Daylight

December has the longest days of the year in Prata do Piauí, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:25 and sunset at 17:50. On the last day of December, sunrise is at 05:38 and sunset at 18:05 -03.

Sunshine

In Prata do Piauí, Brazil, the average sunshine in December is 8.4h.

UV index

In Prata do Piauí, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Updated: Jul 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Prata do Piauí, in December, the average high-temperature is 33.8°C (92.8°F), and the average low-temperature is 23.9°C (75°F). In December, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 43°C (109.4°F).

The average relative humidity in December is 64%.

In Prata do Piauí, in December, it is raining for 20 days, with typically 124mm (4.88") of accumulated precipitation.

With an average of 12h and 24min of daylight, December has the longest days of the year.

The average day length in December is 12h and 27min.

In December, on the first day of the month, sunrise is at 05:25 and sunset at 17:50. On the last day of the month, sunrise is at 05:38 and sunset at 18:05 -03.

In Prata do Piauí, the average sunshine duration in December is 8.4h.

In December, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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

35.5°C

33.8°C

31.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.8km/h

10.2km/h

8.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.8

9.6

3.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Prata do Piauí, Brazil

Average high temperature in December: 33.8°C

The warmest month (with the highest average high temperature) is September (36.6°C).
The month with the lowest average high temperature is April (31.4°C).

Average low temperature in December: 23.9°C

The months with the highest average low temperature are October and November (24.5°C).
The coldest months (with the lowest average low temperature) are June, July and August (22.3°C).

Average pressure in December
Prata do Piauí, Brazil

Average pressure in December: 1009.5mbar

The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

Average wind speed in December
Prata do Piauí, Brazil

Average wind speed in December: 9.5km/h

The windiest month (with the highest average wind speed) is September (11.1km/h).
The calmest month (with the lowest average wind speed) is April (7.5km/h).

Average humidity in December
Prata do Piauí, Brazil

Average humidity in December: 64%

The months with the highest relative humidity are March and April (81%).
The month with the lowest relative humidity is September (46%).

Average rainfall in December
Prata do Piauí, Brazil

Average rainfall in December: 124mm

The wettest month (with the highest rainfall) is March (315mm).
The driest month (with the least rainfall) is September (10mm).

Average rainfall days in December
Prata do Piauí, Brazil

Average rainfall days in December: 20 days

The month with the highest number of rainy days is March (29.3 days).
The month with the least rainy days is August (6.6 days).

Average daylight in December /
Average sunshine in December
Prata do Piauí, Brazil

Average daylight in December: 12h and 24min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

Average sunshine in December: 8h and 24min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 30min).

Average sunshine days in December
Prata do Piauí, Brazil

Average sunshine days in December: 9.6 days

The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is March (1.2 days).

Average UV index in December
Prata do Piauí, Brazil

Average UV index in December: 7

The month with the highest UV index is September (UV index 8).
The month with the lowest UV index is February (UV index 6).

Average cloud cover in December
Prata do Piauí, Brazil

Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Prata do Piauí, Brazil

Average visibility in December: 10km

The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March and April (8km).