December weather forecastCotia, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Cotia, Brazil, with an average temperature ranging between max 26.2°C (79.2°F) and min 18.5°C (65.3°F).

Temperature

A minor adjustment in Cotia's average high-temperature is noted with the start of December, touching a still moderately hot 26.2°C (79.2°F) from November's 24.9°C (76.8°F). During the nights in December, Cotia observes an average low-temperature of 18.5°C (65.3°F).

Humidity

In December, the average relative humidity in Cotia is 84%.

Rainfall

In December, in Cotia, the rain falls for 17.2 days. Throughout December, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Cotia, there are 136.2 rainfall days, and 263mm (10.35") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 13h and 36min of daylight.
On the first day of December, sunrise is at 05:12 and sunset at 18:41. On the last day of the month, sunrise is at 05:24 and sunset at 18:57 -03.

Sunshine

The average sunshine in December in Cotia is 6.8h.

UV index

The months with the lowest UV index in Cotia are February through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

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

Frequently asked questions

Cotia in December has an average high-temperature of 26.2°C (79.2°F) and an average low-temperature of 18.5°C (65.3°F).

The average relative humidity in December is 84%.

In Cotia, in December, during 17.2 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

With an average of 13h and 36min of daylight, December has the longest days of the year in Cotia, Brazil.

In December, the average day length in Cotia, Brazil, is 13h and 34min.

On the first day of December in Cotia, sunrise is at 05:12 and sunset at 18:41. On the last day of the month, sunrise is at 05:24 and sunset at 18:57 -03.

In Cotia, Brazil, the average sunshine duration in December is 6.8h.

February through December, with an average maximum UV index of 5, are months with the lowest UV index in Cotia, Brazil.

In December, the average daily maximum UV index in Cotia, Brazil, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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

24.9°C

26.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.5km/h

10.5km/h

9.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

11.5

9.5

7.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cotia, Brazil

Average high temperature in December: 26.2°C

The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is June (20.5°C).

Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (18.7°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).

Average pressure in December
Cotia, Brazil

Average pressure in December: 1011.7mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in December
Cotia, Brazil

Average wind speed in December: 9.6km/h

The windiest month (with the highest average wind speed) is November (10.7km/h).
The calmest month (with the lowest average wind speed) is February (8.3km/h).

Average humidity in December
Cotia, Brazil

Average humidity in December: 84%

The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in December
Cotia, Brazil

Average rainfall in December: 32mm

The wettest month (with the highest rainfall) is January (52mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in December
Cotia, Brazil

Average rainfall days in December: 17.2 days

The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is August (4.3 days).

Average daylight in December /
Average sunshine in December
Cotia, Brazil

Average daylight in December: 13h and 36min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).

Average sunshine in December: 6h and 48min

The month with the most sunshine is September (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).

Average sunshine days in December
Cotia, Brazil

Average sunshine days in December: 9.5 days

The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is February (6.5 days).

Average UV index in December
Cotia, Brazil

Average UV index in December: 5

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