December weather forecastBarra Longa, Brazil
December
Weather in December
December, the first month of the summer in Barra Longa, is also a moderately hot month, with an average temperature fluctuating between 27.1°C (80.8°F) and 18.8°C (65.8°F).Temperature
November's transformation into December witnesses an average high-temperature of a still warm 27.1°C (80.8°F), noting a minor change from the preceding month. Barra Longa cools down to an average low-temperature of 18.8°C (65.8°F) throughout the month of December.Heat index
In December, the average heat index is computed to be a tropical 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 are quite important for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In Barra Longa, the average relative humidity in December is 87%.Rainfall
The month with the most rainfall is December, when the rain falls for 26.6 days and typically aggregates up to 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 05:03 and sunset at 18:19. On the last day of December, sunrise is at 05:15 and sunset at 18:35 -03.
Sunshine
The average sunshine in December is 6.9h.UV index
February through 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 health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in December translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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
Barra Longa, Brazil
- Average daylight in December: 13h and 18min
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 54min
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
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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
Barra Longa, 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).
