December weather forecast
Poá, Brazil

December

Weather in December

December, the first month of the summer in Poá, is also a moderately hot month, with an average temperature fluctuating between 18.5°C (65.3°F) and 26.5°C (79.7°F).

Temperature

With the start of December, Poá measures an average high-temperature of a still moderately hot 26.5°C (79.7°F), not significantly differing from November's 24.9°C (76.8°F). Poá experiences an average temperature drop to a refreshing 18.5°C (65.3°F) during December nights.

Humidity

In Poá, Brazil, the average relative humidity in December is 84%.

Rainfall

In December, in Poá, the rain falls for 22 days. Throughout December, 113mm (4.45") of precipitation is accumulated. Throughout the year, there are 205.7 rainfall days, and 931mm (36.65") of precipitation is accumulated.

Daylight

The month with the longest days in Poá 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 18:39. On the last day of December, sunrise is at 05:21 and sunset at 18:55 -03.

Sunshine

The average sunshine in December in Poá, Brazil, is 6.5h.

UV index

The average daily maximum UV index in December in Poá is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to 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. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What are December temperatures in Poá?
The average high-temperature, in December, in Poá, is 26.5°C (79.7°F), while the average low-temperature is 18.5°C (65.3°F).
What is the average humidity in December in Poá?
In Poá, the average relative humidity in December is 84%.
How much does it rain in Poá in December?
In Poá, Brazil, in December, it is raining for 22 days, with typically 113mm (4.45") of accumulated precipitation.
When are the longest days in Poá?
December has the longest days of the year in Poá, Brazil, with an average of 13h and 36min of daylight.
How many hours of daylight does Poá have in December?
In Poá, Brazil, the average day length in December is 13h and 34min.
When is the sunrise / sunset in December in Poá?
In December, on the first day of the month, sunrise is at 05:10 and sunset at 18:39. On the last day of the month, sunrise is at 05:21 and sunset at 18:55 -03.
How long on average sun shines in December in Poá?
In December, the average sunshine duration in Poá is 6.5h.
What is the UV index intensity in December in Poá?
In Poá, Brazil, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Poá, Brazil
  • Average high temperature in December: 26.5°C

The warmest month (with the highest average high temperature) is February (26.8°C).
The month with the lowest average high temperature is June (20.9°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (18.6°C).
The coldest month (with the lowest average low temperature) is July (12.5°C).

Average pressure in December
Poá, Brazil
  • Average pressure in December: 1011.9mbar

The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).

Average wind speed in December
Poá, Brazil
  • Average wind speed in December: 8.9km/h

The windiest months (with the highest average wind speed) are October and November (9.6km/h).
The calmest month (with the lowest average wind speed) is February (7.6km/h).

Average humidity in December
Poá, Brazil
  • Average humidity in December: 84%

The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Poá, Brazil
  • Average rainfall in December: 113mm

The wettest month (with the highest rainfall) is January (194mm).
The driest month (with the least rainfall) is August (32mm).

Average rainfall days in December
Poá, Brazil
  • Average rainfall days in December: 22 days

The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (10.1 days).

Average daylight in December /
Average sunshine in December
Poá, 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: 6h and 3min

The months with the most sunshine are July, August and September (Average sunshine: 7h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).

Average sunshine days in December
Poá, Brazil
  • Average sunshine days in December: 7.8 days

The month with the most sunshine days is August (17.8 days).
The month with the least sunshine days is February (4.3 days).

Average UV index in December
Poá, Brazil
  • Average UV index in December: 5

The month with the highest UV index is January (UV index 6).
The month with the lowest UV index is July (UV index 4).

Average cloud cover in December
Poá, Brazil
  • Average cloud cover in December: 60

The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Poá, Brazil
  • Average visibility in December: 7km

The months with the highest visibility are July, August, September and October (8km).
The month with the lowest visibility is April (6km).

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