January weather forecastMacaíba, Brazil
January
Weather in January
January, like December, is another tropical summer month in Macaíba, Brazil, with an average temperature varying between 31.3°C (88.3°F) and 25.1°C (77.2°F).Temperature
January reports an average high-temperature of a still hot 31.3°C (88.3°F), slightly varied from December's 31.1°C (88°F). Throughout the month of January, Macaíba witnesses an average temperature of 25.1°C (77.2°F).Heat index
The heat index in January is evaluated at a torrid 39°C (102.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.Realize that the values for the heat index are set for shaded places and light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in January is 71%.Rainfall
In Macaíba, in January, it is raining for 19.4 days, with typically 36mm (1.42") of accumulated precipitation. In Macaíba, Brazil, during the entire year, the rain falls for 184.7 days and collects up to 414mm (16.3") of precipitation.Daylight
The average length of the day in January in Macaíba, Brazil, is 12h and 25min.On the first day of January in Macaíba, Brazil, sunrise is at 05:11 and sunset at 17:38. On the last day of the month, sunrise is at 05:23 and sunset at 17:45 -03.
Sunshine
In Macaíba, Brazil, the average sunshine in January is 7.8h.UV index
The months with the highest UV index in Macaíba are January through June, August through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 in January translates into these instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Macaíba, Brazil
- Average high temperature in January: 31.3°C
The warmest month (with the highest average high temperature) is March (31.7°C).
The month with the lowest average high temperature is July (28.7°C).
- Average low temperature in January: 25.1°C
The months with the highest average low temperature are February and March (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.1°C).
Average pressure in January
Macaíba, Brazil
- Average pressure in January: 1011.6mbar
The month with the highest atmospheric pressure is August (1014.9mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in January
Macaíba, Brazil
- Average wind speed in January: 18.8km/h
The windiest month (with the highest average wind speed) is September (23.2km/h).
The calmest month (with the lowest average wind speed) is April (16km/h).
Average humidity in January
Macaíba, Brazil
- Average humidity in January: 71%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is November (69%).
Average rainfall in January
Macaíba, Brazil
- Average rainfall in January: 36mm
The wettest month (with the highest rainfall) is March (86mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in January
Macaíba, Brazil
- Average rainfall days in January: 19.4 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is September (7.6 days).
Average daylight in January /
Average sunshine in January
Macaíba, Brazil
- Average daylight in January: 12h and 24min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in January: 7h and 48min
The months with the most sunshine are October and November (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in January
Macaíba, Brazil
- Average sunshine days in January: 5 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (3.5 days).
Average UV index in January
Macaíba, Brazil
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).
Average cloud cover in January
Macaíba, Brazil
- Average cloud cover in January: 42
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in January
Macaíba, Brazil
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





