Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
The start of December marks an average high-temperature of a still warm 28.4°C (83.1°F), hardly distinguishable from the conditions in November. An average minimum temperature of 20°C (68°F) is recorded during the month of December.Heat index
The heat index value during December is appraised at a tropical 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. 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. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In December, the average relative humidity in Mambaí is 82%.Rainfall
In Mambaí, Brazil, in December, during 25.1 rainfall days, 155mm (6.1") of precipitation is typically accumulated. In Mambaí, during the entire year, the rain falls for 182.2 days and collects up to 1008mm (39.69") of precipitation.Daylight
With an average of 13h and 0min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:25 and sunset at 18:21. On the last day of December, sunrise is at 05:38 and sunset at 18:36 -03.
Sunshine
In Mambaí, the average sunshine in December is 7.9h.UV index
The months with the lowest UV index in Mambaí are January through July, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Mambaí in December?
What is the average humidity in December in Mambaí?
How many days does it rain in December in Mambaí?
When are the longest days in Mambaí?
How many hours of daylight does Mambaí have in December?
What time are sunrise and sunset in December in Mambaí?
How many hours of sunshine does Mambaí have in December?
When is the lowest UV index in Mambaí?
What is the UV index intensity in December in Mambaí?
Average temperature in December
Mambaí, Brazil
- Average high temperature in December: 28.4°C
The warmest month (with the highest average high temperature) is September (32.6°C).
The month with the lowest average high temperature is May (26.6°C).
- Average low temperature in December: 20°C
The month with the highest average low temperature is October (20.9°C).
The coldest month (with the lowest average low temperature) is July (14.9°C).
Average pressure in December
Mambaí, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in December
Mambaí, Brazil
- Average wind speed in December: 6.2km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest month (with the lowest average wind speed) is March (5.5km/h).
Average humidity in December
Mambaí, Brazil
- Average humidity in December: 82%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is September (43%).
Average rainfall in December
Mambaí, Brazil
- Average rainfall in December: 155mm
The wettest month (with the highest rainfall) is November (188mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in December
Mambaí, Brazil
- Average rainfall days in December: 25.1 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (1.3 days).
Average daylight in December /
Average sunshine in December
Mambaí, 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 18min).
- Average sunshine in December: 7h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in December
Mambaí, Brazil
- Average sunshine days in December: 5 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is November (3.6 days).
Average UV index in December
Mambaí, Brazil
- Average UV index in December: 6
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in December
Mambaí, Brazil
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Mambaí, Brazil
- Average visibility in December: 8km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).
