Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Stepping into December, Mariana records an average high-temperature of a still moderately hot 25.1°C (77.2°F), almost consistent with November. Mariana records an average nighttime low of 17.6°C (63.7°F) in December.Humidity
In Mariana, the average relative humidity in December is 89%.Rainfall
December is the month with the most rainfall. Rain falls for 26.8 days and accumulates 193mm (7.6") of precipitation.Daylight
The month with the longest days in Mariana, Brazil, is December, with an average of 13h and 18min of daylight.On the first day of the month, sunrise is at 05:04 and sunset at 18:21. On the last day of December, sunrise is at 05:16 and sunset at 18:37 -03.
Sunshine
The average sunshine in December in Mariana, Brazil, is 6.2h.UV index
The months with the highest UV index in Mariana are January through December, with an average maximum UV index of 5. The months with the lowest UV index in Mariana are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 5 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in Mariana in December?
What is the average humidity in December in Mariana?
What is the wettest month in Mariana?
How many days does it rain in December in Mariana?
When are the longest days in Mariana?
What is the average length of the day in December in Mariana?
When are sunrise and sunset in December in Mariana?
How many hours of sunshine does Mariana have in December?
When is the highest UV index in Mariana?
What is the month with the lowest UV index in Mariana?
What is the UV index intensity in December in Mariana?
Average temperature in December
Mariana, Brazil
- Average high temperature in December: 25.1°C
The warmest months (with the highest average high temperature) are January and February (25.6°C).
The month with the lowest average high temperature is June (21.4°C).
- Average low temperature in December: 17.6°C
The month with the highest average low temperature is December (17.6°C).
The coldest month (with the lowest average low temperature) is August (12.1°C).
Average pressure in December
Mariana, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1021.1mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
Mariana, Brazil
- Average wind speed in December: 6.5km/h
The windiest month (with the highest average wind speed) is September (7.8km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).
Average humidity in December
Mariana, Brazil
- Average humidity in December: 89%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is September (75%).
Average rainfall in December
Mariana, Brazil
- Average rainfall in December: 193mm
The wettest month (with the highest rainfall) is December (193mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in December
Mariana, Brazil
- Average rainfall days in December: 26.8 days
The month with the highest number of rainy days is December (26.8 days).
The month with the least rainy days is August (8.9 days).
Average daylight in December /
Average sunshine in December
Mariana, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is September (Average sunshine: 8h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in December
Mariana, Brazil
- Average sunshine days in December: 2.1 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is December (2.1 days).
Average UV index in December
Mariana, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Mariana, Brazil
- Average cloud cover in December: 69
The months with the most cloud cover are March, April and November (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Mariana, Brazil
- Average visibility in December: 6km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are April and May (5km).
Mariana, Brazil
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