December weather forecastTremembé, Brazil
December
Weather in December
December, the first month of the summer in Tremembé, is also a moderately hot month, with an average temperature fluctuating between 17.7°C (63.9°F) and 27.6°C (81.7°F).Temperature
The average high-temperature in December, at a still moderately hot 27.6°C (81.7°F), reveals a modest deviation from November's 26.5°C (79.7°F). Tremembé experiences a mean low-temperature of 17.7°C (63.9°F) during December.Heat index
December's mean heat index is estimated at a tropical 32°C (89.6°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Tremembé, the average relative humidity in December is 83%.Rainfall
In Tremembé, in December, it is raining for 25.5 days, with typically 126mm (4.96") of accumulated precipitation. Throughout the year, there are 196.6 rainfall days, and 835mm (32.87") of precipitation is accumulated.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:08 and sunset at 18:34. On the last day of December, sunrise is at 05:19 and sunset at 18:51 -03.
Sunshine
The average sunshine in December is 7.8h.UV index
The months with the lowest UV index are February through September, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tremembé, Brazil
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is June (21.9°C).
- Average low temperature in December: 17.7°C
The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).
Average pressure in December
Tremembé, Brazil
- Average pressure in December: 1012.2mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in December
Tremembé, Brazil
- Average wind speed in December: 6.2km/h
The windiest months (with the highest average wind speed) are September and October (7.1km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.6km/h).
Average humidity in December
Tremembé, Brazil
- Average humidity in December: 83%
The months with the highest relative humidity are March and April (87%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Tremembé, Brazil
- Average rainfall in December: 126mm
The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in December
Tremembé, Brazil
- Average rainfall days in December: 25.5 days
The month with the highest number of rainy days is March (25.6 days).
The month with the least rainy days is August (5.9 days).
Average daylight in December /
Average sunshine in December
Tremembé, Brazil
- Average daylight in December: 13h and 30min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in December: 7h and 48min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is April (Average sunshine: 7h and 30min).
Average sunshine days in December
Tremembé, Brazil
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is August (23.1 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in December
Tremembé, Brazil
- Average UV index in December: 5
The months with the highest UV index are January and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in December
Tremembé, Brazil
- Average cloud cover in December: 50
The months with the most cloud cover are March and April (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Tremembé, Brazil
- Average visibility in December: 7km
The months with the highest visibility are July, August, September and October (8km).
The months with the lowest visibility are March, April and May (6km).





