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 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
Entering December, the average high-temperature is recorded at a still moderately hot 28.3°C (82.9°F), exhibiting a minimal shift from November's 27.1°C (80.8°F). Rio dos Índios reports an average low-temperature of 17.5°C (63.5°F) during the nights of December.Heat index
In December, the heat index is estimated at a hot 33°C (91.4°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. 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. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Rio dos Índios, the average relative humidity in December is 80%.Rainfall
In Rio dos Índios, in December, during 21.1 rainfall days, 141mm (5.55") of precipitation is typically accumulated. In Rio dos Índios, Brazil, during the entire year, the rain falls for 208.7 days and collects up to 1557mm (61.3") of precipitation.Snowfall
In Rio dos Índios, 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 dos Índios.On the first day of December, sunrise is at 05:28 and sunset at 19:12. On the last day of the month, sunrise is at 05:39 and sunset at 19:29 -03.
Sunshine
The average sunshine in December is 8.5h.UV index
In December, the average daily maximum UV index in Rio dos Índios is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during December translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December in Rio dos Índios?
What is the average humidity in December in Rio dos Índios?
How many days does it rain in December in Rio dos Índios?
When it does not snow in Rio dos Índios?
When are the longest days in Rio dos Índios?
How many hours of daylight does Rio dos Índios have in December?
When is the sunrise / sunset in December in Rio dos Índios?
How long on average sun shines in December in Rio dos Índios?
What is the UV index reading in December in Rio dos Índios?
Average temperature in December
Rio dos Índios, Brazil
- Average high temperature in December: 28.3°C
The warmest months (with the highest average high temperature) are January and February (28.4°C).
The month with the lowest average high temperature is June (19.1°C).
- Average low temperature in December: 17.5°C
The months with the highest average low temperature are January and February (17.8°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).
Average pressure in December
Rio dos Índios, Brazil
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Rio dos Índios, Brazil
- Average wind speed in December: 8km/h
The windiest month (with the highest average wind speed) is August (9.3km/h).
The calmest month (with the lowest average wind speed) is March (7.7km/h).
Average humidity in December
Rio dos Índios, Brazil
- Average humidity in December: 80%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is September (78%).
Average rainfall in December
Rio dos Índios, Brazil
- Average rainfall in December: 141mm
The wettest month (with the highest rainfall) is October (179mm).
The driest month (with the least rainfall) is August (79mm).
Average rainfall days in December
Rio dos Índios, Brazil
- Average rainfall days in December: 21.1 days
The month with the highest number of rainy days is January (22.9 days).
The month with the least rainy days is August (12.5 days).
Average snowfall days in December
Rio dos Índios, 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 dos Índios, 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 24min).
- Average sunshine in December: 8h and 3min
The month with the most sunshine is November (Average sunshine: 8h and 42min).
The months with the least sunshine are May and June (Average sunshine: 7h and 24min).
Average sunshine days in December
Rio dos Índios, Brazil
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is August (16.7 days).
The month with the least sunshine days is February (5 days).
Average UV index in December
Rio dos Índios, Brazil
- Average UV index in December: 5
The months with the highest UV index are January, February and March (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Rio dos Índios, Brazil
- Average cloud cover in December: 37
The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Rio dos Índios, Brazil
- Average visibility in December: 8km
The month with the highest visibility is August (9km).
The month with the lowest visibility is May (7km).
