December weather forecastQuartel Geral, Brazil

December

Weather in December

December, the first month of the summer in Quartel Geral, is still a warm month, with an average temperature fluctuating between 26.9°C (80.4°F) and 18.9°C (66°F).

Temperature

Entering December, Quartel Geral's average high-temperature reads a still warm 26.9°C (80.4°F), indicating a close resemblance to the previous month's climate. In the month of December, an average of 18.9°C (66°F) marks the low-temperature.

Humidity

The average relative humidity in December is 87%.

Rainfall

The month with the most rainfall is December, when the rain falls for 28.6 days and typically aggregates up to 247mm (9.72") of precipitation.

Daylight

The month with the longest days is December, with an average of 13h and 18min of daylight.
On the first day of the month, sunrise is at 05:15 and sunset at 18:27. On the last day of December, sunrise is at 05:27 and sunset at 18:43 -03.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are February through July, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during December translates into the following guidance:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In Quartel Geral, 26.9°C (80.4°F) is the average high-temperature and 18.9°C (66°F) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in November is computed to be 30°C (86°F).

The average relative humidity in December is 87%.

The month with the most rainfall is December, when the rain falls for 28.6 days and typically aggregates up to 247mm (9.72") of precipitation.

In Quartel Geral, in December, during 28.6 rainfall days, 247mm (9.72") of precipitation is typically accumulated.

The month with the longest days is December, with an average of 13h and 18min of daylight.

The average day length in December is 13h and 16min.

In December, on the first day of the month, sunrise is at 05:15 and sunset at 18:27. On the last day of the month, sunrise is at 05:27 and sunset at 18:43 -03.

The month with the least sunshine is December, with an average of 7h of sunshine.

In Quartel Geral, the average sunshine duration in December is 7h.

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

In Quartel Geral, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Quartel Geral, Brazil

  • Average high temperature in December: 26.9°C

The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is June (23.8°C).

  • Average low temperature in December: 18.9°C

The month with the highest average low temperature is December (18.9°C).
The coldest month (with the lowest average low temperature) is July (13.4°C).

Average pressure in December
Quartel Geral, Brazil

  • Average pressure in December: 1012.5mbar

The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).

Average wind speed in December
Quartel Geral, Brazil

  • Average wind speed in December: 7.3km/h

The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest months (with the lowest average wind speed) are March and April (6.3km/h).

Average humidity in December
Quartel Geral, Brazil

  • Average humidity in December: 87%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (58%).

Average rainfall in December
Quartel Geral, Brazil

  • Average rainfall in December: 247mm

The wettest month (with the highest rainfall) is December (247mm).
The driest months (with the least rainfall) are July and August (8mm).

Average rainfall days in December
Quartel Geral, Brazil

  • Average rainfall days in December: 28.6 days

The month with the highest number of rainy days is March (28.8 days).
The month with the least rainy days is August (4.8 days).

Average daylight in December /
Average sunshine in December
Quartel Geral, Brazil

  • Average daylight in December: 13h and 18min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Quartel Geral, Brazil

  • Average sunshine days in December: 1.4 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is December (1.4 days).

Average UV index in December
Quartel Geral, Brazil

  • Average UV index in December: 5

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

Average cloud cover in December
Quartel Geral, Brazil

  • Average cloud cover in December: 57

The months with the most cloud cover are March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Quartel Geral, Brazil

  • Average visibility in December: 7km

The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).