July weather forecast
Guaramiranga, Brazil

July is a tropical winter month in Guaramiranga, Brazil, with temperature in the range of an average low of 19.7°C (67.5°F) and an average high of 30.3°C (86.5°F).

Temperature

July's advent notes a subtle adjustment in average high-temperature to a tropical 30.3°C (86.5°F) from June. July generally records an average low-temperature of 19.7°C (67.5°F).

Heat index

For July, the heat index is computed to be a fiery hot 37°C (98.6°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Guaramiranga, the average relative humidity in July is 73%.

Rainfall

In Guaramiranga, Brazil, in July, it is raining for 12 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, there are 177 rainfall days, and 691mm (27.2") of precipitation is accumulated.

Daylight

The average length of the day in July in Guaramiranga is 11h and 54min.
On the first day of the month, sunrise is at 05:43 and sunset at 17:36. On the last day of July, sunrise is at 05:44 and sunset at 17:40 -03.

Sunshine

In July, the average sunshine is 8h.

UV index

The months with the lowest UV index in Guaramiranga are January through July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In July, the maximum UV index of 6 suggests this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.