December weather forecast
Mariópolis, Brazil

December

Weather in December

December, the first month of the summer in Mariópolis, is also a moderately hot month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 17.2°C (63°F).

Temperature

Mariópolis marks the onset of December with an average high-temperature of a still moderately hot 27.5°C (81.5°F), a subtle shift from November's 26.7°C (80.1°F). Mariópolis in December experiences a low-temperature average of 17.2°C (63°F).

Heat index

In December, the heat index is calculated to be a tropical 31°C (87.8°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In December, the average relative humidity in Mariópolis is 81%.

Rainfall

In Mariópolis, in December, during 19.2 rainfall days, 101mm (3.98") of precipitation is typically accumulated. In Mariópolis, during the entire year, the rain falls for 187 days and collects up to 1107mm (43.58") of precipitation.

Daylight

With an average of 13h and 48min of daylight, December has the longest days of the year in Mariópolis, Brazil.
On the first day of the month, sunrise is at 05:29 and sunset at 19:09. On the last day of December, sunrise is at 05:40 and sunset at 19:26 -03.

Sunshine

In December, the average sunshine in Mariópolis is 8.3h.

UV index

January, November and December, with an average maximum UV index of 6, are months with the highest UV index in Mariópolis, Brazil. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 6 as the daily maximum UV index converts into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the temperature in December in Mariópolis?
In Mariópolis, in December, the average high-temperature is 27.5°C (81.5°F), and the average low-temperature is 17.2°C (63°F). In December, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 31°C (87.8°F).
What is the average humidity in December in Mariópolis?
In Mariópolis, the average relative humidity in December is 81%.
How much does it rain in Mariópolis in December?
In Mariópolis, during December, the rain falls for 19.2 days and regularly aggregates up to 101mm (3.98") of precipitation.
When are the longest days in Mariópolis?
With an average of 13h and 48min of daylight, December has the longest days of the year in Mariópolis, Brazil.
How many hours of daylight does Mariópolis have in December?
The average day length in December is 13h and 46min.
What time are sunrise and sunset in December in Mariópolis?
In December, on the first day of the month, sunrise is at 05:29 and sunset at 19:09. On the last day of the month, in Mariópolis, sunrise is at 05:40 and sunset at 19:26 -03.
How long on average sun shines in December in Mariópolis?
In Mariópolis, Brazil, the average sunshine duration in December is 8.3h.
When is the highest UV index in Mariópolis?
January, November and December, with an average maximum UV index of 6, are months with the highest UV index in Mariópolis.
What is the UV index intensity in December in Mariópolis?
In Mariópolis, Brazil, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Mariópolis, Brazil
Average temperature in December
Mariópolis, Brazil
  • Average high temperature in December: 27.5°C

The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is June (18.8°C).

  • Average low temperature in December: 17.2°C

The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).

Average pressure in December - Mariópolis, Brazil
Average pressure in December
Mariópolis, Brazil
  • Average pressure in December: 1010.8mbar

The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in December - Mariópolis, Brazil
Average wind speed in December
Mariópolis, Brazil
  • Average wind speed in December: 9km/h

The windiest month (with the highest average wind speed) is August (10.1km/h).
The calmest month (with the lowest average wind speed) is March (8.6km/h).

Average humidity in December - Mariópolis, Brazil
Average humidity in December
Mariópolis, Brazil
  • Average humidity in December: 81%

The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (77%).

Average rainfall in December - Mariópolis, Brazil
Average rainfall in December
Mariópolis, Brazil
  • Average rainfall in December: 101mm

The wettest month (with the highest rainfall) is May (131mm).
The driest month (with the least rainfall) is August (67mm).

Average rainfall days in December - Mariópolis, Brazil
Average rainfall days in December
Mariópolis, Brazil
  • Average rainfall days in December: 19.2 days

The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is August (11.2 days).

Average daylight in December / Average sunshine in December - Mariópolis, Brazil
Average daylight in December /
Average sunshine in December
Mariópolis, Brazil
  • Average daylight in December: 13h and 5min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

  • Average sunshine in December: 8h and 2min

The months with the most sunshine are April and November (Average sunshine: 8h and 36min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).

Average sunshine days in December - Mariópolis, Brazil
Average sunshine days in December
Mariópolis, Brazil
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in December - Mariópolis, Brazil
Average UV index in December
Mariópolis, Brazil
  • Average UV index in December: 6

The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 4).

Average cloud cover in December - Mariópolis, Brazil
Average cloud cover in December
Mariópolis, Brazil
  • Average cloud cover in December: 43

The months with the most cloud cover are February and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December - Mariópolis, Brazil
Average visibility in December
Mariópolis, Brazil
  • Average visibility in December: 8km

The month with the highest visibility is August (9km).
The months with the lowest visibility are January and May (7km).

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