December weather forecast
Paiçandu, Brazil

December

Weather in December

December, the first month of the summer in Paiçandu, is still a warm month, with an average temperature varying between 29.5°C (85.1°F) and 20.1°C (68.2°F).

Temperature

The average high-temperature in December, at a still warm 29.5°C (85.1°F), reveals a modest deviation from November's 29.7°C (85.5°F). Paiçandu's average low-temperature in the month of December is recorded at an agreeable 20.1°C (68.2°F).

Heat index

December's average heat index is calculated to be a torrid 36°C (96.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In December, the average relative humidity in Paiçandu is 79%.

Rainfall

In Paiçandu, Brazil, in December, during 25.4 rainfall days, 170mm (6.69") of precipitation is typically accumulated. Throughout the year, there are 196.7 rainfall days, and 1243mm (48.94") of precipitation is accumulated.

Daylight

With an average of 13h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:33 and sunset at 19:01. On the last day of December, in Paiçandu, sunrise is at 05:44 and sunset at 19:18 -03.

Sunshine

The average sunshine in December in Paiçandu, Brazil, is 8.1h.

UV index

April through July and December, with an average maximum UV index of 5, are months with the lowest UV index in Paiçandu. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 5 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

How hot does it get in Paiçandu in December?
In December, the average high-temperature and low-temperature in Paiçandu are 29.5°C (85.1°F) and 20.1°C (68.2°F) respectively. In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 36°C (96.8°F).
What is the average humidity in December in Paiçandu?
In Paiçandu, the average relative humidity in December is 79%.
How much does it rain in Paiçandu in December?
In Paiçandu, Brazil, in December, it is raining for 25.4 days, with typically 170mm (6.69") of accumulated precipitation.
When are the longest days in Paiçandu?
With an average of 13h and 36min of daylight, December has the longest days of the year in Paiçandu, Brazil.
What is the average length of the day in December in Paiçandu?
In Paiçandu, Brazil, the average day length in December is 13h and 33min.
When are sunrise and sunset in December in Paiçandu?
In December, on the first day of the month, sunrise is at 05:33 and sunset at 19:01. On the last day of the month, in Paiçandu, sunrise is at 05:44 and sunset at 19:18 -03.
How long on average sun shines in December in Paiçandu?
The average sunshine duration in December in Paiçandu, Brazil, is 8.1h.
What are the months with the lowest UV index in Paiçandu?
April through July and December, with an average maximum UV index of 5, are months with the lowest UV index in Paiçandu, Brazil.
How high is the UV index in December in Paiçandu?
The average daily maximum UV index in December in Paiçandu is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Paiçandu, Brazil
  • Average high temperature in December: 29.5°C

The warmest months (with the highest average high temperature) are October and November (29.7°C).
The month with the lowest average high temperature is June (22.3°C).

  • Average low temperature in December: 20.1°C

The month with the highest average low temperature is February (20.2°C).
The coldest months (with the lowest average low temperature) are June and July (13.8°C).

Average pressure in December
Paiçandu, Brazil
  • Average pressure in December: 1010.1mbar

The month with the highest atmospheric pressure is July (1018.7mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).

Average wind speed in December
Paiçandu, Brazil
  • Average wind speed in December: 9.3km/h

The windiest month (with the highest average wind speed) is August (11.8km/h).
The calmest months (with the lowest average wind speed) are January and February (8.7km/h).

Average humidity in December
Paiçandu, Brazil
  • Average humidity in December: 79%

The months with the highest relative humidity are January, February and June (85%).
The month with the lowest relative humidity is September (63%).

Average rainfall in December
Paiçandu, Brazil
  • Average rainfall in December: 170mm

The wettest month (with the highest rainfall) is January (195mm).
The driest month (with the least rainfall) is August (44mm).

Average rainfall days in December
Paiçandu, Brazil
  • Average rainfall days in December: 25.4 days

The month with the highest number of rainy days is January (26.8 days).
The month with the least rainy days is August (7.2 days).

Average daylight in December /
Average sunshine in December
Paiçandu, 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: 8h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).

Average sunshine days in December
Paiçandu, Brazil
  • Average sunshine days in December: 4.5 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (2.3 days).

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

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

Average cloud cover in December
Paiçandu, Brazil
  • Average cloud cover in December: 41

The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in December
Paiçandu, Brazil
  • Average visibility in December: 8km

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

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