December weather forecastSão Luís do Paraitinga, Brazil

December

Weather in December

December, the first month of the summer in São Luís do Paraitinga, is still a warm month, with an average temperature ranging between max 27.6°C (81.7°F) and min 17.7°C (63.9°F).

Temperature

As December unfolds, the average high-temperature reaches a still warm 27.6°C (81.7°F), hinting at a slight fluctuation from the previous month. São Luís do Paraitinga's nighttime temperature in December drops to an average of 17.7°C (63.9°F).

Heat index

For December, the heat index is appraised at a tropical 32°C (89.6°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In São Luís do Paraitinga, the average relative humidity in December is 83%.

Rainfall

In São Luís do Paraitinga, during December, the rain falls for 25.5 days and regularly aggregates up to 126mm (4.96") of precipitation. Throughout the year, in São Luís do Paraitinga, there are 196.6 rainfall days, and 835mm (32.87") of precipitation is accumulated.

Daylight

With an average of 13h and 30min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:06 and sunset at 18:34. On the last day of December, sunrise is at 05:18 and sunset at 18:50 -03.

Sunshine

In December, the average sunshine is 7.8h.

UV index

The months with the lowest UV index in São Luís do Paraitinga are February through September, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

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

Frequently asked questions

The average high-temperature, in December, in São Luís do Paraitinga, is 27.6°C (81.7°F), while the average low-temperature is 17.7°C (63.9°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 32°C (89.6°F).

The average relative humidity in December in São Luís do Paraitinga, Brazil, is 83%.

In São Luís do Paraitinga, Brazil, in December, during 25.5 rainfall days, 126mm (4.96") of precipitation is typically accumulated.

The month with the longest days is December, with an average of 13h and 30min of daylight.

The average day length in December in São Luís do Paraitinga, Brazil, is 13h and 32min.

In December, on the first day of the month, sunrise is at 05:06 and sunset at 18:34. On the last day of the month, in São Luís do Paraitinga, Brazil, sunrise is at 05:18 and sunset at 18:50 -03.

In December, the average sunshine duration is 7.8h.

February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index.

The average daily maximum UV index in December in São Luís do Paraitinga, Brazil, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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

26.5°C

27.6°C

27.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.7km/h

6.9km/h

6.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.2

3.7

3.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
São Luís do Paraitinga, Brazil

Average high temperature in December: 27.6°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is June (21.9°C).

Average low temperature in December: 17.7°C

The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).

Average pressure in December
São Luís do Paraitinga, Brazil

Average pressure in December: 1012.2mbar

The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).

Average wind speed in December
São Luís do Paraitinga, Brazil

Average wind speed in December: 6.2km/h

The windiest months (with the highest average wind speed) are September and October (7.1km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.6km/h).

Average humidity in December
São Luís do Paraitinga, Brazil

Average humidity in December: 83%

The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (73%).

Average rainfall in December
São Luís do Paraitinga, Brazil

Average rainfall in December: 126mm

The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is August (17mm).

Average rainfall days in December
São Luís do Paraitinga, Brazil

Average rainfall days in December: 25.5 days

The month with the highest number of rainy days is March (25.6 days).
The month with the least rainy days is August (5.9 days).

Average daylight in December /
Average sunshine in December
São Luís do Paraitinga, 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 48min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 7h and 30min).

Average sunshine days in December
São Luís do Paraitinga, Brazil

Average sunshine days in December: 3.7 days

The month with the most sunshine days is August (23.1 days).
The month with the least sunshine days is December (3.7 days).

Average UV index in December
São Luís do Paraitinga, Brazil

Average UV index in December: 5

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

Average cloud cover in December
São Luís do Paraitinga, Brazil

Average cloud cover in December: 50

The months with the most cloud cover are March and April (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
São Luís do Paraitinga, Brazil

Average visibility in December: 7km

The months with the highest visibility are July, August, September and October (8km).
The months with the lowest visibility are March, April and May (6km).