January weather forecast
Rio do Antônio, Brazil

January, the same as December, is another warm summer month in Rio do Antônio, Brazil, with an average temperature ranging between min 19.2°C (66.6°F) and max 29.7°C (85.5°F).

Temperature

In January, Rio do Antônio experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 29.7°C (85.5°F), closely mirroring the climate in December. During January, Rio do Antônio experiences an average low-temperature of 19.2°C (66.6°F) at night.

Heat index

The heat index for January is calculated to be a torrid 36°C (96.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In Rio do Antônio, the average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 17.8 days. Throughout January, 75mm (2.95") of precipitation is accumulated. Throughout the year, in Rio do Antônio, there are 157.3 rainfall days, and 574mm (22.6") of precipitation is accumulated.

Daylight

The average length of the day in January is 12h and 52min.
On the first day of the month, sunrise is at 05:22 and sunset at 18:20. On the last day of January, in Rio do Antônio, Brazil, sunrise is at 05:39 and sunset at 18:23 -03.

Sunshine

The average sunshine in January in Rio do Antônio is 9.2h.

UV index

In Rio do Antônio, Brazil, the average daily maximum UV index in January is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.