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
December
Weather in December
Temperature
As December takes hold, the average high-temperature is a still warm 27.5°C (81.5°F), nearly mirroring that of the previous month. In Rocha Leão, December nights cool down to an average of 22.2°C (72°F).Heat index
The heat index value for December is computed to be a tropical 31°C (87.8°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
November and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Rocha Leão, in December, during 19.9 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, in Rocha Leão, there are 179.7 rainfall days, and 674mm (26.54") of precipitation is accumulated.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year in Rocha Leão.On the first day of the month, sunrise is at 04:54 and sunset at 18:19. On the last day of December, sunrise is at 05:06 and sunset at 18:35 -03.
Sunshine
In Rocha Leão, the average sunshine in December is 8.8h.UV index
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Rocha Leão?
What is the most humid month in Rocha Leão?
What is the average humidity in December in Rocha Leão?
How much does it rain in Rocha Leão in December?
When are the longest days in Rocha Leão?
How many hours of daylight does Rocha Leão have in December?
When are sunrise and sunset in December in Rocha Leão?
How many hours of sunshine does Rocha Leão have in December?
What is the UV index intensity in December in Rocha Leão?
Average temperature in December
Rocha Leão, Brazil
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in December: 22.2°C
The month with the highest average low temperature is January (23.1°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in December
Rocha Leão, Brazil
- Average pressure in December: 1012mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in December
Rocha Leão, Brazil
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is September (15.8km/h).
The calmest month (with the lowest average wind speed) is March (10.9km/h).
Average humidity in December
Rocha Leão, Brazil
- Average humidity in December: 84%
The months with the highest relative humidity are November and December (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in December
Rocha Leão, Brazil
- Average rainfall in December: 100mm
The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is June (18mm).
Average rainfall days in December
Rocha Leão, Brazil
- Average rainfall days in December: 19.9 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (8.9 days).
Average daylight in December /
Average sunshine in December
Rocha Leão, Brazil
- Average daylight in December: 13h and 3min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in December: 8h and 5min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in December
Rocha Leão, Brazil
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is August (19.5 days).
The months with the least sunshine days are March and December (5.8 days).
Average UV index in December
Rocha Leão, Brazil
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are July and September (UV index 5).
Average cloud cover in December
Rocha Leão, Brazil
- Average cloud cover in December: 40
The month with the most cloud cover is November (Cloud cover 48).
The months with the least cloud cover are February, June and July (Cloud cover 27).
Average visibility in December
Rocha Leão, Brazil
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
