December weather forecastRubim, Brazil
December
Weather in December
The first month of the summer, December, is a tropical month in Rubim, Brazil, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 20.5°C (68.9°F).Temperature
Rubim marks the onset of December with an average high-temperature of a tropical 30.1°C (86.2°F), a subtle shift from November's 28.8°C (83.8°F). Throughout December, Rubim encounters an average temperature drop to a pleasant 20.5°C (68.9°F).Heat index
The heat index value during December is computed to be a fiery hot 39°C (102.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In Rubim, the average relative humidity in December is 82%.Rainfall
The month with the most rainfall is December, when the rain falls for 21.4 days and typically aggregates up to 102mm (4.02") of precipitation.Daylight
With an average of 13h and 6min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:00 and sunset at 18:02. On the last day of December, in Rubim, sunrise is at 05:12 and sunset at 18:18 -03.
Sunshine
In December, the average sunshine is 7.6h.UV index
January through June, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 6 during December translates into the following guidance:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rubim, Brazil
- Average high temperature in December: 30.1°C
The warmest month (with the highest average high temperature) is February (31.2°C).
The month with the lowest average high temperature is July (25.8°C).
- Average low temperature in December: 20.5°C
The month with the highest average low temperature is March (20.6°C).
The coldest month (with the lowest average low temperature) is August (16.6°C).
Average pressure in December
Rubim, Brazil
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1019.9mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Rubim, Brazil
- Average wind speed in December: 6.7km/h
The windiest months (with the highest average wind speed) are September and October (7km/h).
The calmest months (with the lowest average wind speed) are March, April and June (5.9km/h).
Average humidity in December
Rubim, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are May and June (86%).
The month with the lowest relative humidity is February (80%).
Average rainfall in December
Rubim, Brazil
- Average rainfall in December: 102mm
The wettest month (with the highest rainfall) is December (102mm).
The driest months (with the least rainfall) are July and September (28mm).
Average rainfall days in December
Rubim, Brazil
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is February (16.1 days).
Average daylight in December /
Average sunshine in December
Rubim, Brazil
- Average daylight in December: 13h and 6min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in December: 7h and 36min
The months with the most sunshine are January and February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in December
Rubim, Brazil
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is May (12.2 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in December
Rubim, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 6).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in December
Rubim, Brazil
- Average cloud cover in December: 62
The months with the most cloud cover are May and November (Cloud cover 68).
The months with the least cloud cover are January and February (Cloud cover 58).
Average visibility in December
Rubim, Brazil
- Average visibility in December: 7km
The months with the highest visibility are October and December (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and November (6km).
