December weather forecastRio Acima, Brazil
December
Weather in December
December, the first month of the summer in Rio Acima, is still a warm month, with an average temperature ranging between min 17.9°C (64.2°F) and max 25.7°C (78.3°F).Temperature
December's average high-temperature is a still moderately hot 25.7°C (78.3°F), maintaining a close comparison with November's 25.2°C (77.4°F). The nighttime temperature, during December, averages of 17.9°C (64.2°F).Humidity
In December, the average relative humidity is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 29.5 days and typically aggregates up to 289mm (11.38") of precipitation.Daylight
The month with the longest days is December, with an average of 13h and 18min of daylight.On the first day of December, sunrise is at 05:06 and sunset at 18:22. On the last day of the month, sunrise is at 05:18 and sunset at 18:38 -03.
Sunshine
In December, the average sunshine is 6.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 5. The months with the lowest UV index are January through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in December translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rio Acima, Brazil
- Average high temperature in December: 25.7°C
The warmest month (with the highest average high temperature) is September (26.5°C).
The month with the lowest average high temperature is June (22.3°C).
- Average low temperature in December: 17.9°C
The month with the highest average low temperature is December (17.9°C).
The coldest month (with the lowest average low temperature) is July (12.5°C).
Average pressure in December
Rio Acima, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
Rio Acima, Brazil
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is September (8.8km/h).
The calmest months (with the lowest average wind speed) are March, April and May (6.5km/h).
Average humidity in December
Rio Acima, Brazil
- Average humidity in December: 86%
The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
Rio Acima, Brazil
- Average rainfall in December: 289mm
The wettest month (with the highest rainfall) is December (289mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in December
Rio Acima, Brazil
- Average rainfall days in December: 29.5 days
The month with the highest number of rainy days is December (29.5 days).
The month with the least rainy days is August (7.5 days).
Average daylight in December /
Average sunshine in December
Rio Acima, Brazil
- Average daylight in December: 13h and 18min
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 54min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in December
Rio Acima, Brazil
- Average sunshine days in December: 1 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is December (1 days).
Average UV index in December
Rio Acima, 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
Rio Acima, Brazil
- Average cloud cover in December: 62
The months with the most cloud cover are March and December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Rio Acima, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April, May, June, November and December (7km).
