May weather forecast
Porto Acre, Brazil

May, the last month of the autumn in Porto Acre, is also a hot month, with an average temperature ranging between max 30.1°C (86.2°F) and min 20.8°C (69.4°F).

Temperature

May's start comes with an average high-temperature of a still tropical 30.1°C (86.2°F), in line with April's temperature. Porto Acre temperatures generally rest at a low of 20.8°C (69.4°F) during the May nights.

Heat index

The heat index for May is evaluated at a very hot 39°C (102.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 highly important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in May in Porto Acre is 84%.

Rainfall

In Porto Acre, in May, during 20.6 rainfall days, 71mm (2.8") of precipitation is typically accumulated. In Porto Acre, during the entire year, the rain falls for 233.4 days and collects up to 1251mm (49.25") of precipitation.

Daylight

The average length of the day in May is 11h and 41min.
On the first day of May in Porto Acre, sunrise is at 05:34 and sunset at 17:20. On the last day of the month, sunrise is at 05:39 and sunset at 17:15 -05.

Sunshine

In May, the average sunshine is 7.8h.

UV index

The months with the lowest UV index are January through June and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.