December weather forecastMombuca, Brazil
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Mombuca, Brazil, with an average temperature varying between 29.3°C (84.7°F) and 19.6°C (67.3°F).Temperature
December, recognised by an average high temperature of 29.3°C (84.7°F) and a low of 19.6°C (67.3°F), is Mombuca's warmest month.Heat index
The average heat index in December is evaluated at a very hot 35°C (95°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
In Mombuca, Brazil, the average relative humidity in December is 78%.Rainfall
In Mombuca, in December, during 24.4 rainfall days, 170mm (6.69") of precipitation is typically accumulated. In Mombuca, during the entire year, the rain falls for 185.7 days and collects up to 1196mm (47.09") of precipitation.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of December in Mombuca, Brazil, sunrise is at 05:16 and sunset at 18:42. On the last day of the month, sunrise is at 05:27 and sunset at 18:59 -03.
Sunshine
In December, the average sunshine in Mombuca, Brazil, is 7.7h.UV index
The months with the highest UV index are January, March, September through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: During December, 6 as the daily maximum UV index converts into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mombuca, Brazil
- Average high temperature in December: 29.3°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in December: 19.6°C
The month with the highest average low temperature is January (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (13.7°C).
Average pressure in December
Mombuca, Brazil
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
Mombuca, Brazil
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is October (10.4km/h).
The calmest month (with the lowest average wind speed) is February (7.7km/h).
Average humidity in December
Mombuca, Brazil
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (83%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Mombuca, Brazil
- Average rainfall in December: 170mm
The wettest month (with the highest rainfall) is January (248mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in December
Mombuca, Brazil
- Average rainfall days in December: 24.4 days
The month with the highest number of rainy days is January (25.9 days).
The month with the least rainy days is August (4.8 days).
Average daylight in December /
Average sunshine in December
Mombuca, 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 48min).
- Average sunshine in December: 7h and 42min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in December
Mombuca, Brazil
- Average sunshine days in December: 5.5 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in December
Mombuca, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, March, September, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July and August (UV index 5).
Average cloud cover in December
Mombuca, Brazil
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Mombuca, Brazil
- Average visibility in December: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).
