July weather forecast
São José do Piauí, Brazil

July, like June, is another tropical winter month in São José do Piauí, Brazil, with an average temperature ranging between max 32.2°C (90°F) and min 19.8°C (67.6°F).

Temperature

The transition into July shows a subtle variation to a still hot 32.2°C (90°F) from June's 31.5°C (88.7°F) in the average high-temperature. Despite the stark contrast with daytime temperatures, São José do Piauí's July nights average at a comfortable 19.8°C (67.6°F).

Heat index

For most parts of July, the heat index is appraised at a fiery hot 36°C (96.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in July is 55%.

Rainfall

July is the last month it rains. During 2.6 rainfall days, in July, São José do Piauí aggregates 3mm (0.12") of precipitation. In São José do Piauí, during the entire year, the rain falls for 152.5 days and collects up to 872mm (34.33") of precipitation.

Daylight

In São José do Piauí, the average length of the day in July is 11h and 46min.
On the first day of July, sunrise is at 05:57 and sunset at 17:41. On the last day of the month, sunrise is at 05:57 and sunset at 17:46 -03.

Sunshine

The average sunshine in July is 9.4h.

UV index

In São José do Piauí, the average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, a daily maximum UV index of 7 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.