December weather forecastRubiataba, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Rubiataba, Brazil, with an average temperature ranging between max 27.2°C (81°F) and min 19.3°C (66.7°F).Temperature
At the onset of December, Rubiataba records an average high-temperature of a still moderately hot 27.2°C (81°F), showing little deviation from the preceding month. During December, the nighttime temperature averages of 19.3°C (66.7°F).Heat index
In December, the average heat index is appraised at a tropical 31°C (87.8°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. 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. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Rubiataba, the average relative humidity in December is 85%.Rainfall
In Rubiataba, in December, it is raining for 29.3 days, with typically 242mm (9.53") of accumulated precipitation. Throughout the year, there are 219.6 rainfall days, and 1537mm (60.51") of precipitation is accumulated.Daylight
December has the longest days of the year in Rubiataba, with an average of 13h and 0min of daylight.On the first day of December in Rubiataba, Brazil, sunrise is at 05:39 and sunset at 18:37. On the last day of the month, sunrise is at 05:52 and sunset at 18:52 -03.
Sunshine
With an average of 6.9h of sunshine, December has the least sunshine of the year.UV index
February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in December translates into this advice:
Be vigilant - Preventing sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rubiataba, Brazil
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in December: 19.3°C
The month with the highest average low temperature is October (21°C).
The coldest month (with the lowest average low temperature) is July (16.1°C).
Average pressure in December
Rubiataba, Brazil
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in December
Rubiataba, Brazil
- Average wind speed in December: 5.9km/h
The windiest month (with the highest average wind speed) is August (8.3km/h).
The calmest month (with the lowest average wind speed) is March (5.2km/h).
Average humidity in December
Rubiataba, Brazil
- Average humidity in December: 85%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (40%).
Average rainfall in December
Rubiataba, Brazil
- Average rainfall in December: 242mm
The wettest month (with the highest rainfall) is November (266mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in December
Rubiataba, Brazil
- Average rainfall days in December: 29.3 days
The months with the highest number of rainy days are January and December (29.3 days).
The month with the least rainy days is August (1.3 days).
Average daylight in December /
Average sunshine in December
Rubiataba, Brazil
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in December: 6h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Rubiataba, Brazil
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is August (29 days).
The months with the least sunshine days are February and November (0.7 days).
Average UV index in December
Rubiataba, Brazil
- Average UV index in December: 5
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February and December (UV index 5).
Average cloud cover in December
Rubiataba, Brazil
- Average cloud cover in December: 56
The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Rubiataba, Brazil
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (7km).





