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 snowfall in December
- Average snowfall 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
The advent of December signifies a minor shift to an average high-temperature of a warm 24.6°C (76.3°F), aligning closely with November. The temperature in Rio Negrinho lowers to an average of 16.4°C (61.5°F) during December nights.Humidity
In Rio Negrinho, the average relative humidity in December is 89%.Rainfall
In Rio Negrinho, during December, the rain falls for 28.5 days and regularly aggregates up to 188mm (7.4") of precipitation. In Rio Negrinho, during the entire year, the rain falls for 250.9 days and collects up to 1446mm (56.93") of precipitation.Snowfall
In Rio Negrinho, snow does not fall in January through June, September through December.Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year in Rio Negrinho.On the first day of the month, sunrise is at 05:17 and sunset at 18:57. On the last day of December, in Rio Negrinho, Brazil, sunrise is at 05:28 and sunset at 19:13 -03.
Sunshine
In Rio Negrinho, the average sunshine in December is 6h.UV index
The months with the highest UV index are January through March, October through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 5 in December, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Rio Negrinho?
What is the average humidity in December in Rio Negrinho?
How much does it rain in Rio Negrinho in December?
When it does not snow in Rio Negrinho?
When are the longest days in Rio Negrinho?
What is the average length of the day in December in Rio Negrinho?
When is the sunrise / sunset in December in Rio Negrinho?
How many hours of sunshine does Rio Negrinho have in December?
What are the months with the highest UV index in Rio Negrinho?
What is the UV index reading in December in Rio Negrinho?
Average temperature in December
Rio Negrinho, Brazil
- Average high temperature in December: 24.6°C
The warmest month (with the highest average high temperature) is January (25.2°C).
The month with the lowest average high temperature is June (17.8°C).
- Average low temperature in December: 16.4°C
The month with the highest average low temperature is February (17.1°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in December
Rio Negrinho, Brazil
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.4mbar).
Average wind speed in December
Rio Negrinho, Brazil
- Average wind speed in December: 7.3km/h
The windiest months (with the highest average wind speed) are October and November (7.9km/h).
The calmest month (with the lowest average wind speed) is April (6.3km/h).
Average humidity in December
Rio Negrinho, Brazil
- Average humidity in December: 89%
The months with the highest relative humidity are February, March and May (91%).
The month with the lowest relative humidity is August (86%).
Average rainfall in December
Rio Negrinho, Brazil
- Average rainfall in December: 188mm
The wettest month (with the highest rainfall) is January (222mm).
The driest month (with the least rainfall) is August (54mm).
Average rainfall days in December
Rio Negrinho, Brazil
- Average rainfall days in December: 28.5 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (11.6 days).
Average snowfall in December
Rio Negrinho, Brazil
- Average snowfall in December: 0mm
The month with the highest snowfall is July (3mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days in December
Rio Negrinho, Brazil
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are July and August (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Rio Negrinho, 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 6min).
The month with the least sunshine is March (Average sunshine: 5h and 42min).
Average sunshine days in December
Rio Negrinho, Brazil
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is February (0.4 days).
Average UV index in December
Rio Negrinho, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in December
Rio Negrinho, Brazil
- Average cloud cover in December: 70
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility in December
Rio Negrinho, Brazil
- Average visibility in December: 6km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (6km).
The months with the lowest visibility are April and May (5km).
