January weather forecast
Dionísio, Brazil

January, like December, in Dionísio, Brazil, is a moderately hot summer month, with an average temperature varying between 28.6°C (83.5°F) and 19.3°C (66.7°F).

Temperature

Dionísio indicates an average high-temperature of a still moderately hot 28.6°C (83.5°F) in January, showing minor variation from December's 28.1°C (82.6°F). In Dionísio, an average nighttime temperature of 19.3°C (66.7°F) is expected during January.

Heat index

For most parts of January, the heat index is estimated at a sweltering 35°C (95°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In January, the average relative humidity in Dionísio is 85%.

Rainfall

In January, in Dionísio, the rain falls for 20.2 days. Throughout January, 130mm (5.12") of precipitation is accumulated. In Dionísio, during the entire year, the rain falls for 208.6 days and collects up to 951mm (37.44") of precipitation.

Daylight

In Dionísio, the average length of the day in January is 13h and 10min.
On the first day of January in Dionísio, sunrise is at 05:15 and sunset at 18:33. On the last day of the month, sunrise is at 05:34 and sunset at 18:34 -03.

Sunshine

In January, the average sunshine in Dionísio is 7.4h.

UV index

January, February, August, September and December, with an average maximum UV index of 6, are months with the highest UV index in Dionísio. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in January converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.