July weather forecast
Barro, Guinea-Bissau

July, the same as June, in Barro, Guinea-Bissau, is another hot summer month, with an average temperature fluctuating between 32.8°C (91°F) and 24.3°C (75.7°F).

Temperature

The shift from June to July corresponds with a decrease in the average high-temperature, down to a tropical 32.8°C (91°F) from a sweltering 37.9°C (100.2°F). The month of July records an average low-temperature of 24.3°C (75.7°F) in Barro.

Heat index

The heat index value during July is computed to be a blazing hot 45°C (113°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
For clarity, heat index numbers account for light winds and areas under shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In July, the average relative humidity in Barro is 76%.

Rainfall

In July, the rain falls for 23.1 days. Throughout July, 186mm (7.32") of precipitation is accumulated. In Barro, during the entire year, the rain falls for 109.1 days and collects up to 654mm (25.75") of precipitation.

Daylight

In Barro, the average length of the day in July is 12h and 46min.
On the first day of July, sunrise is at 06:41 and sunset at 19:31. On the last day of the month, sunrise is at 06:48 and sunset at 19:28 GMT.

Sunshine

In Barro, the average sunshine in July is 6.6h.

UV index

In July, the average daily maximum UV index in Barro is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 7 during July translates into the following guidance:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.