December weather forecastIbirubá, Brazil

December

Weather in December

The first month of the summer, December, is still a warm month in Ibirubá, Brazil, with an average temperature varying between 17.3°C (63.1°F) and 27.5°C (81.5°F).

Temperature

Ibirubá registers the highest average temperatures during the month of December, with peaks of 27.5°C (81.5°F) and lows of 17.3°C (63.1°F).

Heat index

The average heat index in December is estimated at a hot 31°C (87.8°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
Note that heat index values are valued for light wind and location in the shade. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

November and December, with an average relative humidity of 78%, are the least humid months.

Rainfall

In Ibirubá, in December, it is raining for 18.6 days, with typically 103mm (4.06") of accumulated precipitation. Throughout the year, there are 181.7 rainfall days, and 1172mm (46.14") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall.

Daylight

December has the longest days of the year in Ibirubá, with an average of 13h and 54min of daylight.
On the first day of December in Ibirubá, sunrise is at 05:26 and sunset at 19:16. On the last day of the month, sunrise is at 05:37 and sunset at 19:33 -03.

Sunshine

November and December, with an average of 8.5h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 6 suggests this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

Ibirubá experiences its highest temperatures in December, with an average peak of 27.5°C (81.5°F) and a low of 17.3°C (63.1°F).

During December, Ibirubá experiences an average high-temperature of 27.5°C (81.5°F) and a low-temperature of 17.3°C (63.1°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in December is estimated at 31°C (87.8°F).

November and December, with an average relative humidity of 78%, are the least humid months.

The average relative humidity in December in Ibirubá, Brazil, is 78%.

In December, the rain falls for 18.6 days. Throughout December, 103mm (4.06") of precipitation is accumulated.

In Ibirubá, snow does not fall in January through June, August through December.

The month with the longest days in Ibirubá is December, with an average of 13h and 54min of daylight.

The average day length in December in Ibirubá, Brazil, is 13h and 56min.

On the first day of December in Ibirubá, Brazil, sunrise is at 05:26 and sunset at 19:16. On the last day of the month, sunrise is at 05:37 and sunset at 19:33 -03.

November and December, with an average of 8.5h of sunshine, are months with the most sunshine in Ibirubá, Brazil.

In December, the average sunshine duration is 8.5h.

January and December, with an average maximum UV index of 6, are months with the highest UV index in Ibirubá, Brazil.

In December, the average daily maximum UV index in Ibirubá, Brazil, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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 snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ibirubá, Brazil

  • Average high temperature in December: 27.5°C

The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (17.2°C).

  • Average low temperature in December: 17.3°C

The month with the highest average low temperature is January (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.1°C).

Average pressure in December
Ibirubá, Brazil

  • Average pressure in December: 1010.9mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).

Average wind speed in December
Ibirubá, Brazil

  • Average wind speed in December: 10.4km/h

The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).

Average humidity in December
Ibirubá, Brazil

  • Average humidity in December: 78%

The months with the highest relative humidity are June and July (87%).
The months with the lowest relative humidity are November and December (78%).

Average rainfall in December
Ibirubá, Brazil

  • Average rainfall in December: 103mm

The wettest month (with the highest rainfall) is October (146mm).
The driest month (with the least rainfall) is February (62mm).

Average rainfall days in December
Ibirubá, Brazil

  • Average rainfall days in December: 18.6 days

The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is August (11.8 days).

Average snowfall days in December
Ibirubá, Brazil

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

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

  • Average daylight in December: 13h and 54min

The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 8h and 30min

The months with the most sunshine are November and December (Average sunshine: 8h and 30min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).

Average sunshine days in December
Ibirubá, Brazil

  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
Ibirubá, Brazil

  • Average UV index in December: 6

The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is May (UV index 3).

Average cloud cover in December
Ibirubá, Brazil

  • Average cloud cover in December: 38

The months with the most cloud cover are January and May (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 35).

Average visibility in December
Ibirubá, Brazil

  • Average visibility in December: 9km

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