December weather forecastDescoberto, Brazil

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Descoberto, Brazil, with an average temperature fluctuating between 27.9°C (82.2°F) and 19.6°C (67.3°F).

Temperature

Descoberto experiences a minor change to a still warm 27.9°C (82.2°F) in average high-temperature during December, closely reflecting November. Descoberto experiences a mean low-temperature of 19.6°C (67.3°F) during December.

Heat index

For December, the heat index is computed to be a tropical 33°C (91.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The average relative humidity in December is 88%.

Rainfall

The month with the most rainfall is December, when the rain falls for 27.9 days and typically aggregates up to 240mm (9.45") of precipitation.

Daylight

With an average of 13h and 24min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:00 and sunset at 18:21. On the last day of December, sunrise is at 05:12 and sunset at 18:37 -03.

Sunshine

In December, the average sunshine is 7.1h.

UV index

January, August through October and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during December leads to these advisories:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

The high-temperature, in December, in Descoberto, records 27.9°C (82.2°F), while the low-temperature is 19.6°C (67.3°F). In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 33°C (91.4°F).

In December, the average relative humidity is 88%.

December is the month with the most rainfall. Rain falls for 27.9 days and accumulates 240mm (9.45") of precipitation.

In Descoberto, Brazil, in December, it is raining for 27.9 days, with typically 240mm (9.45") of accumulated precipitation.

With an average of 13h and 24min of daylight, December has the longest days of the year.

The average day length in December in Descoberto is 13h and 25min.

In December, on the first day of the month, sunrise is at 05:00 and sunset at 18:21. On the last day of the month, sunrise is at 05:12 and sunset at 18:37 -03.

The average sunshine duration in December is 7.1h.

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

In Descoberto, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
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
Descoberto, Brazil

  • Average high temperature in December: 27.9°C

The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is June (23.8°C).

  • Average low temperature in December: 19.6°C

The months with the highest average low temperature are January and December (19.6°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).

Average pressure in December
Descoberto, Brazil

  • Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).

Average wind speed in December
Descoberto, Brazil

  • Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is October (6.6km/h).
The calmest months (with the lowest average wind speed) are March and April (4.7km/h).

Average humidity in December
Descoberto, Brazil

  • Average humidity in December: 88%

The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (73%).

Average rainfall in December
Descoberto, Brazil

  • Average rainfall in December: 240mm

The wettest month (with the highest rainfall) is December (240mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in December
Descoberto, Brazil

  • Average rainfall days in December: 27.9 days

The month with the highest number of rainy days is December (27.9 days).
The month with the least rainy days is July (8.3 days).

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

  • Average daylight in December: 13h and 24min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in December: 7h and 6min

The months with the most sunshine are February, July and September (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).

Average sunshine days in December
Descoberto, Brazil

  • Average sunshine days in December: 1.4 days

The month with the most sunshine days is July (18.7 days).
The month with the least sunshine days is December (1.4 days).

Average UV index in December
Descoberto, Brazil

  • Average UV index in December: 6

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

Average cloud cover in December
Descoberto, Brazil

  • Average cloud cover in December: 59

The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 38).

Average visibility in December
Descoberto, Brazil

  • Average visibility in December: 7km

The month with the highest visibility is September (9km).
The months with the lowest visibility are March, April and May (6km).