December weather forecast
São Bernardo do Campo, Brazil

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Weather in December

Closing the year, December in São Bernardo do Campo brings back the summer vibe. The weather turns warmer, with the month's temperature reaching a high of 26.5°C (79.7°F). One can observe an escalated level of rainfall manifesting the city's typical tropical monsoon characteristics. Coincidentally, the overall cloudiness begins to increase, though the daylight duration hits its highest. Despite the rise in humidity, the moderate wind gust speeds of 12.8km/h (8mph) aid in maintaining a refreshing atmosphere throughout the city.

Temperature

São Bernardo do Campo's December reports an average high-temperature of a still moderately hot 26.5°C (79.7°F), exhibiting a minor difference from November. During December, São Bernardo do Campo consistently records a temperature low averaging a refreshing 19.7°C (67.5°F).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In December, the rain falls for 22.8 days. Throughout December, 127mm (5") of precipitation is accumulated. In São Bernardo do Campo, during the entire year, the rain falls for 217.7 days and collects up to 1056mm (41.57") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 36min of daylight.
On the first day of the month, sunrise is at 05:10 and sunset at 18:40. On the last day of December, in São Bernardo do Campo, sunrise is at 05:22 and sunset at 18:56 -03.

Sunshine

In December, the average sunshine in São Bernardo do Campo is 7.2h.

UV index

The months with the highest UV index in São Bernardo do Campo are January, March, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in December interprets into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

What is the usual temperature for São Bernardo do Campo in December?

The high-temperature, in December, in São Bernardo do Campo, is 26.5°C (79.7°F), while the low-temperature averages to 19.7°C (67.5°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in February is appraised at 31°C (87.8°F).

What is the average humidity in December in São Bernardo do Campo?

In December, the average relative humidity in São Bernardo do Campo is 82%.

How much does it rain in São Bernardo do Campo in December?

In December, in São Bernardo do Campo, the rain falls for 22.8 days. Throughout December, 127mm (5") of precipitation is accumulated.

When are the longest days in São Bernardo do Campo?

December has the longest days of the year, with an average of 13h and 36min of daylight.

How many hours of daylight does São Bernardo do Campo have in December?

In São Bernardo do Campo, Brazil, the average day length in December is 13h and 34min.

What time are sunrise and sunset in December in São Bernardo do Campo?

On the first day of December in São Bernardo do Campo, Brazil, sunrise is at 05:10 and sunset at 18:40. On the last day of the month, sunrise is at 05:22 and sunset at 18:56 -03.

How many hours of sunshine does São Bernardo do Campo have in December?

The average sunshine duration in December is 7.2h.

What are the months with the highest UV index in São Bernardo do Campo?

January, March, October through December, with an average maximum UV index of 6, are months with the highest UV index in São Bernardo do Campo.

What is the UV index intensity in December in São Bernardo do Campo?

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
São Bernardo do Campo, Brazil

Average temperature in December - São Bernardo do Campo, Brazil
  • Average high temperature in December: 26.5°C

The warmest month (with the highest average high temperature) is February (27.3°C).
The month with the lowest average high temperature is July (21.4°C).

  • Average low temperature in December: 19.7°C

The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).

Average pressure in December
São Bernardo do Campo, Brazil

Average pressure in December - São Bernardo do Campo, Brazil
  • Average pressure in December: 1011.8mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).

Average wind speed in December
São Bernardo do Campo, Brazil

Average wind speed in December - São Bernardo do Campo, Brazil
  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is November (10.1km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).

Average humidity in December
São Bernardo do Campo, Brazil

Average humidity in December - São Bernardo do Campo, Brazil
  • Average humidity in December: 82%

The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
São Bernardo do Campo, Brazil

Average rainfall in December - São Bernardo do Campo, Brazil
  • Average rainfall in December: 127mm

The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (37mm).

Average rainfall days in December
São Bernardo do Campo, Brazil

Average rainfall days in December - São Bernardo do Campo, Brazil
  • Average rainfall days in December: 22.8 days

The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is August (10.9 days).

Average daylight in December /
Average sunshine in December
São Bernardo do Campo, Brazil

Average daylight in December / Average sunshine in December - São Bernardo do Campo, Brazil
  • Average daylight in December: 13h and 4min

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: 7h and 1min

The month with the most sunshine is September (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in December
São Bernardo do Campo, Brazil

Average sunshine days in December - São Bernardo do Campo, Brazil
  • Average sunshine days in December: 6.8 days

The month with the most sunshine days is August (17.2 days).
The month with the least sunshine days is February (3.1 days).

Average UV index in December
São Bernardo do Campo, Brazil

Average UV index in December - São Bernardo do Campo, Brazil
  • Average UV index in December: 6

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

Average cloud cover in December
São Bernardo do Campo, Brazil

Average cloud cover in December - São Bernardo do Campo, Brazil
  • Average cloud cover in December: 51

The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
São Bernardo do Campo, Brazil

Average visibility in December - São Bernardo do Campo, Brazil
  • Average visibility in December: 8km

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

São Bernardo do Campo, Brazil

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