December weather forecastGrão Pará, Brazil

December

Weather in December

December, the first month of the summer in Grão Pará, is still a warm month, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 27.8°C (82°F).

Temperature

Grão Pará experiences a minor change to a still moderately hot 27.8°C (82°F) in average high-temperature during December, closely reflecting November. Throughout the month of December, the average temperature in Grão Pará dips to a comfortable 18.8°C (65.8°F) at night.

Heat index

In December, the average heat index is calculated to be a tropical 32°C (89.6°F). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

November and December, with an average relative humidity of 80%, are the least humid months.

Rainfall

In Grão Pará, in December, during 15.4 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, in Grão Pará, there are 172.3 rainfall days, and 881mm (34.69") of precipitation is accumulated.

Daylight

The month with the longest days in Grão Pará, Brazil, is December, with an average of 13h and 54min of daylight.
On the first day of the month, sunrise is at 05:11 and sunset at 19:00. On the last day of December, in Grão Pará, sunrise is at 05:23 and sunset at 19:17 -03.

Sunshine

The average sunshine in December in Grão Pará, Brazil, is 7.4h.

UV index

January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Grão Pará. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during December leads to these advisories:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

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

Frequently asked questions

In Grão Pará, in December, the average high-temperature is 27.8°C (82°F), and the average low-temperature is 18.8°C (65.8°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 32°C (89.6°F).

November and December, with an average relative humidity of 80%, are the least humid months in Grão Pará.

The average relative humidity in December in Grão Pará is 80%.

In December, in Grão Pará, the rain falls for 15.4 days. Throughout December, 70mm (2.76") of precipitation is accumulated.

With an average of 13h and 54min of daylight, December has the longest days of the year.

In Grão Pará, Brazil, the average day length in December is 13h and 54min.

In December, on the first day of the month, sunrise is at 05:11 and sunset at 19:00. On the last day of the month, sunrise is at 05:23 and sunset at 19:17 -03.

The average sunshine duration in December is 7.4h.

January through March and December, with an average maximum UV index of 6, are months with the highest UV index.

In Grão Pará, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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

25.8°C

27.8°C

28.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.5km/h

10.3km/h

9.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

14.8

13.1

9.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Grão Pará, Brazil

Average high temperature in December: 27.8°C

The warmest month (with the highest average high temperature) is February (28.8°C).
The month with the lowest average high temperature is July (19.8°C).

Average low temperature in December: 18.8°C

The month with the highest average low temperature is February (19.9°C).
The coldest month (with the lowest average low temperature) is July (11.5°C).

Average pressure in December
Grão Pará, Brazil

Average pressure in December: 1012.1mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).

Average wind speed in December
Grão Pará, Brazil

Average wind speed in December: 9.5km/h

The windiest months (with the highest average wind speed) are October and November (10.7km/h).
The calmest month (with the lowest average wind speed) is February (8.2km/h).

Average humidity in December
Grão Pará, Brazil

Average humidity in December: 80%

The months with the highest relative humidity are March, May and June (83%).
The months with the lowest relative humidity are November and December (80%).

Average rainfall in December
Grão Pará, Brazil

Average rainfall in December: 70mm

The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is November (47mm).

Average rainfall days in December
Grão Pará, Brazil

Average rainfall days in December: 15.4 days

The month with the highest number of rainy days is February (19.1 days).
The month with the least rainy days is June (10.8 days).

Average daylight in December /
Average sunshine in December
Grão Pará, Brazil

Average daylight in December: 13h and 54min

The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).

Average sunshine in December: 7h and 24min

The month with the most sunshine is June (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 6h and 54min).

Average sunshine days in December
Grão Pará, Brazil

Average sunshine days in December: 13.1 days

The month with the most sunshine days is June (18.2 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in December
Grão Pará, Brazil

Average UV index in December: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 4).

Average cloud cover in December
Grão Pará, Brazil

Average cloud cover in December: 47

The months with the most cloud cover are January and October (Cloud cover 48).
The months with the least cloud cover are June and August (Cloud cover 37).

Average visibility in December
Grão Pará, Brazil

Average visibility in December: 8km

The months with the highest visibility are July, August and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, September, October and December (8km).