December weather forecastSinimbu, Brazil
December
Weather in December
The first month of the summer, December, is still a warm month in Sinimbu, Brazil, with an average temperature fluctuating between 29°C (84.2°F) and 17.8°C (64°F).Temperature
December notes an average high-temperature of a still moderately hot 29°C (84.2°F), subtly differing from November's 26.3°C (79.3°F). December witnesses an average nighttime temperature of 17.8°C (64°F) in Sinimbu, Brazil.Heat index
December's mean heat index is computed to be a hot 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
With an average relative humidity of 75%, December is the least humid month.Rainfall
In Sinimbu, during December, the rain falls for 15.5 days and regularly aggregates up to 71mm (2.8") of precipitation. In Sinimbu, during the entire year, the rain falls for 167.1 days and collects up to 1008mm (39.69") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 05:22 and sunset at 19:16. On the last day of December, sunrise is at 05:33 and sunset at 19:33 -03.
Sunshine
The month with the most sunshine in Sinimbu, Brazil, is December, with an average of 8.6h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Sinimbu. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 6 translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sinimbu, Brazil
- Average high temperature in December: 29°C
The warmest month (with the highest average high temperature) is February (29.6°C).
The month with the lowest average high temperature is July (17.8°C).
- Average low temperature in December: 17.8°C
The months with the highest average low temperature are January and February (18.8°C).
The coldest month (with the lowest average low temperature) is July (9.2°C).
Average pressure in December
Sinimbu, Brazil
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in December
Sinimbu, Brazil
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is September (11km/h).
The calmest month (with the lowest average wind speed) is April (9.3km/h).
Average humidity in December
Sinimbu, Brazil
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (85%).
The month with the lowest relative humidity is December (75%).
Average rainfall in December
Sinimbu, Brazil
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is October (117mm).
The driest month (with the least rainfall) is April (64mm).
Average rainfall days in December
Sinimbu, Brazil
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is January (18.3 days).
The month with the least rainy days is August (11.8 days).
Average daylight in December /
Average sunshine in December
Sinimbu, Brazil
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is December (Average sunshine: 8h and 36min).
The months with the least sunshine are May and September (Average sunshine: 7h and 12min).
Average sunshine days in December
Sinimbu, Brazil
- Average sunshine days in December: 13.8 days
The months with the most sunshine days are July and August (17.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Sinimbu, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 4).
Average cloud cover in December
Sinimbu, Brazil
- Average cloud cover in December: 33
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are November and December (Cloud cover 33).
Average visibility in December
Sinimbu, Brazil
- Average visibility in December: 9km
The months with the highest visibility are February, June, July, August, November and December (9km).
The months with the lowest visibility are January, March, April, May, September and October (8km).
