January weather forecast
Itaúna do Sul, Brazil

January, like December, in Itaúna do Sul, Brazil, is a moderately hot summer month, with an average temperature varying between 29.3°C (84.7°F) and 20.8°C (69.4°F).

Temperature

The transition into January is marked with an average high-temperature of a still moderately hot 29.3°C (84.7°F), showing an insignificant shift from December's 29.8°C (85.6°F). Throughout January, the temperature in Itaúna do Sul, Brazil, falls to an average low of 20.8°C (69.4°F).

Heat index

For January, the heat index is calculated to be a torrid 37°C (98.6°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In Itaúna do Sul, the average relative humidity in January is 85%.

Rainfall

January is the month with the most rainfall in Itaúna do Sul. Rain falls for 26.1 days and accumulates 208mm (8.19") of precipitation.

Daylight

The average length of the day in January in Itaúna do Sul is 13h and 20min.
On the first day of the month, sunrise is at 05:49 and sunset at 19:20. On the last day of January, sunrise is at 06:10 and sunset at 19:19 -03.

Sunshine

January has the least sunshine of the year in Itaúna do Sul, with an average of 7.2h of sunshine.

UV index

The months with the highest UV index are January through March, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.