December weather forecastGrupiara, Brazil

December

Weather in December

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

Temperature

Grupiara experiences an average high-temperature of a still warm 26.9°C (80.4°F) in December, marking an insignificant shift from 27.3°C (81.1°F) in November. During December, Grupiara experiences a consistent low-temperature average of 18.9°C (66°F).

Humidity

The average relative humidity in December is 86%.

Rainfall

The month with the most rainfall in Grupiara is December, when the rain falls for 28.9 days and typically aggregates up to 205mm (8.07") of precipitation.

Daylight

With an average of 13h and 12min of daylight, December has the longest days of the year.
On the first day of December in Grupiara, sunrise is at 05:25 and sunset at 18:35. On the last day of the month, sunrise is at 05:37 and sunset at 18:50 -03.

Sunshine

In December, the average sunshine is 7.2h.

UV index

The months with the lowest UV index are February, April through July, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in December interprets into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The high-temperature, in December, in Grupiara, is 26.9°C (80.4°F), while the low-temperature averages to 18.9°C (66°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in November is estimated at 31°C (87.8°F).

In December, the average relative humidity in Grupiara, Brazil, is 86%.

The month with the most rainfall in Grupiara is December, when the rain falls for 28.9 days and typically aggregates up to 205mm (8.07") of precipitation.

In Grupiara, in December, it is raining for 28.9 days, with typically 205mm (8.07") of accumulated precipitation.

December has the longest days of the year in Grupiara, with an average of 13h and 12min of daylight.

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

On the first day of December in Grupiara, Brazil, sunrise is at 05:25 and sunset at 18:35. On the last day of the month, sunrise is at 05:37 and sunset at 18:50 -03.

In December, the average sunshine duration in Grupiara, Brazil, is 7.2h.

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

In Grupiara, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Grupiara, Brazil

  • Average high temperature in December: 26.9°C

The warmest month (with the highest average high temperature) is September (30.7°C).
The month with the lowest average high temperature is June (24.4°C).

  • Average low temperature in December: 18.9°C

The month with the highest average low temperature is October (19.1°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).

Average pressure in December
Grupiara, Brazil

  • Average pressure in December: 1011.5mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in December
Grupiara, Brazil

  • Average wind speed in December: 7.6km/h

The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest month (with the lowest average wind speed) is March (6.9km/h).

Average humidity in December
Grupiara, Brazil

  • Average humidity in December: 86%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).

Average rainfall in December
Grupiara, Brazil

  • Average rainfall in December: 205mm

The wettest month (with the highest rainfall) is December (205mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in December
Grupiara, Brazil

  • Average rainfall days in December: 28.9 days

The month with the highest number of rainy days is December (28.9 days).
The month with the least rainy days is August (2.6 days).

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

  • Average daylight in December: 13h and 12min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in December: 7h and 12min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 6min).

Average sunshine days in December
Grupiara, Brazil

  • Average sunshine days in December: 1.6 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is December (1.6 days).

Average UV index in December
Grupiara, Brazil

  • Average UV index in December: 5

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

Average cloud cover in December
Grupiara, Brazil

  • Average cloud cover in December: 57

The month with the most cloud cover is March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Grupiara, Brazil

  • Average visibility in December: 7km

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