January weather forecast
Rio do Meio, Brazil

January, like December, in Rio do Meio, Brazil, is another warm summer month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 18.8°C (65.8°F).

Temperature

January's weather records an average high-temperature of a still warm 29.3°C (84.7°F), showing little deviation from December. Rio do Meio sees an average low-temperature of 18.8°C (65.8°F) during January.

Heat index

During January, the heat index is appraised at a sweltering 36°C (96.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in January is 83%.

Rainfall

In Rio do Meio, in January, it is raining for 15.9 days, with typically 42mm (1.65") of accumulated precipitation. In Rio do Meio, during the entire year, the rain falls for 209.2 days and collects up to 561mm (22.09") of precipitation.

Daylight

In January, the average length of the day is 12h and 54min.
On the first day of the month, sunrise is at 05:13 and sunset at 18:13. On the last day of January, sunrise is at 05:30 and sunset at 18:16 -03.

Sunshine

In January, the average sunshine is 8.2h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 6 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.