July weather forecast
Pedreiras, Brazil

July, the same as June, in Pedreiras, Brazil, is another tropical winter month, with an average temperature fluctuating between 20.5°C (68.9°F) and 31.4°C (88.5°F).

Temperature

The shift into July finds Pedreiras, Brazil, at an average high-temperature of a still hot 31.4°C (88.5°F), closely comparable to June's conditions. An average low-temperature of 20.5°C (68.9°F) is noted during the nights in July in Pedreiras.

Heat index

In July, the average heat index is appraised at a blistering 40°C (104°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

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

Rainfall

In July, in Pedreiras, the rain falls for 13.4 days. Throughout July, 24mm (0.94") of precipitation is accumulated. In Pedreiras, during the entire year, the rain falls for 222.6 days and collects up to 1037mm (40.83") of precipitation.

Daylight

In July, the average length of the day is 11h and 53min.
On the first day of the month, sunrise is at 06:06 and sunset at 17:58. On the last day of July, in Pedreiras, sunrise is at 06:07 and sunset at 18:02 -03.

Sunshine

In Pedreiras, the average sunshine in July is 8.2h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index in Pedreiras. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in July interprets into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.