December weather forecastMacajuba, Brazil
December
Weather in December
The first month of the summer, December, is still a tropical month in Macajuba, Brazil, with an average temperature ranging between min 20.7°C (69.3°F) and max 31.6°C (88.9°F).Temperature
With the onset of December, the average high-temperature registers at a still hot 31.6°C (88.9°F), subtly different from November's 31.3°C (88.3°F). Macajuba throughout December, records an average low-temperature of 20.7°C (69.3°F).Heat index
December's average heat index is evaluated at a scorching 40°C (104°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In December, the average relative humidity in Macajuba is 72%.Rainfall
December is the month with the most rainfall in Macajuba. Rain falls for 15.1 days and accumulates 80mm (3.15") of precipitation.Daylight
The month with the longest days in Macajuba is December, with an average of 12h and 48min of daylight.On the first day of the month, sunrise is at 05:07 and sunset at 17:54. On the last day of December, in Macajuba, Brazil, sunrise is at 05:19 and sunset at 18:09 -03.
Sunshine
In December, the average sunshine is 7.9h.UV index
In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in December transforms into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Macajuba, Brazil
- Average high temperature in December: 31.6°C
The warmest month (with the highest average high temperature) is March (32.4°C).
The month with the lowest average high temperature is July (27.3°C).
- Average low temperature in December: 20.7°C
The month with the highest average low temperature is November (21.2°C).
The coldest months (with the lowest average low temperature) are July and August (17.8°C).
Average pressure in December
Macajuba, Brazil
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Macajuba, Brazil
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is October (14.5km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).
Average humidity in December
Macajuba, Brazil
- Average humidity in December: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Macajuba, Brazil
- Average rainfall in December: 80mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in December
Macajuba, Brazil
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (12.8 days).
Average daylight in December /
Average sunshine in December
Macajuba, Brazil
- Average daylight in December: 12h and 48min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in December: 7h and 54min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is July (Average sunshine: 4h and 30min).
Average sunshine days in December
Macajuba, Brazil
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is August (13.1 days).
The months with the least sunshine days are April and November (9 days).
Average UV index in December
Macajuba, Brazil
- Average UV index in December: 6
The months with the highest UV index are January, February and October (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in December
Macajuba, Brazil
- Average cloud cover in December: 48
The month with the most cloud cover is May (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 45).
Average visibility in December
Macajuba, Brazil
- Average visibility in December: 9km
The months with the highest visibility are September, October and November (10km).
The months with the lowest visibility are January, April, May, June and July (8km).





