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
The advent of December denotes an average high-temperature of a still moderately hot 27.1°C (80.8°F), subtly different from November's 26.3°C (79.3°F). Rio Casca experiences an average low-temperature reading of 18.8°C (65.8°F) throughout December.Heat index
The heat index for December is appraised at a tropical 31°C (87.8°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The average relative humidity in December in Rio Casca is 87%.Rainfall
December is the month with the most rainfall. Rain falls for 26.6 days and accumulates 206mm (8.11") 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 the month, sunrise is at 05:01 and sunset at 18:17. On the last day of December, in Rio Casca, sunrise is at 05:13 and sunset at 18:33 -03.
Sunshine
In December, the average sunshine in Rio Casca is 6.9h.UV index
The months with the lowest UV index are February through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in December translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for Rio Casca in December?
What is the average humidity in December in Rio Casca?
What is the wettest month in Rio Casca?
How much does it rain in Rio Casca in December?
When are the longest days in Rio Casca?
What is the average length of the day in December in Rio Casca?
What time are sunrise and sunset in December in Rio Casca?
How long on average sun shines in December in Rio Casca?
What is the month with the lowest UV index in Rio Casca?
How high is the UV index in December in Rio Casca?
Average temperature in December
Rio Casca, Brazil
- Average high temperature in December: 27.1°C
The warmest month (with the highest average high temperature) is October (27.5°C).
The month with the lowest average high temperature is June (22.9°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is December (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.1°C).
Average pressure in December
Rio Casca, Brazil
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Rio Casca, Brazil
- Average wind speed in December: 7.2km/h
The windiest months (with the highest average wind speed) are September and October (8.3km/h).
The calmest months (with the lowest average wind speed) are April and May (5.6km/h).
Average humidity in December
Rio Casca, Brazil
- Average humidity in December: 87%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).
Average rainfall in December
Rio Casca, Brazil
- Average rainfall in December: 206mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in December
Rio Casca, Brazil
- Average rainfall days in December: 26.6 days
The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in December /
Average sunshine in December
Rio Casca, 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 5min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in December
Rio Casca, Brazil
- Average sunshine days in December: 2.2 days
The month with the most sunshine days is August (19.4 days).
The month with the least sunshine days is December (2.2 days).
Average UV index in December
Rio Casca, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Rio Casca, Brazil
- Average cloud cover in December: 60
The months with the most cloud cover are March, April, November and December (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in December
Rio Casca, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (6km).
Rio Casca, Brazil
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