July weather forecast
São Sebastião do Tocantins, Brazil

July, like June, is a hot winter month in São Sebastião do Tocantins, Brazil, with an average temperature ranging between min 19.6°C (67.3°F) and max 31.7°C (89.1°F).

Temperature

Upon the beginning of July, São Sebastião do Tocantins's high-temperatures register at a still tropical 31.7°C (89.1°F), closely mirroring the preceding month. During July, São Sebastião do Tocantins detects a significant contrast from its daytime temperatures, with nights averaging at an enjoyable 19.6°C (67.3°F).

Heat index

For July, the heat index is evaluated at a sweltering 39°C (102.2°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In July, the average relative humidity is 67%.

Rainfall

In São Sebastião do Tocantins, in July, during 9 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In São Sebastião do Tocantins, during the entire year, the rain falls for 252.6 days and collects up to 1607mm (63.27") of precipitation.

Daylight

In São Sebastião do Tocantins, the average length of the day in July is 11h and 51min.
On the first day of July in São Sebastião do Tocantins, sunrise is at 06:22 and sunset at 18:11. On the last day of the month, sunrise is at 06:22 and sunset at 18:15 -03.

Sunshine

The average sunshine in July is 9.4h.

UV index

The months with the highest UV index are July through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in July translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.