May weather forecast
Balsas, Brazil

The last month of the autumn, May, is also a hot month in Balsas, Brazil, with temperature in the range of an average low of 70.3°F and an average high of 86.5°F.

Temperature

The ushering in of May brings an average high-temperature of a still tropical 86.5°F, closely mirroring the 86°F of April. Throughout the month of May, Balsas sees a steady low-temperature average of 70.3°F.

Heat index

May's mean heat index is calculated to be a very hot 98.6°F. Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. 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 single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In May, the average relative humidity in Balsas is 76%.

Rainfall

In Balsas, during May, the rain falls for 12.8 days and regularly aggregates up to 1.34" of precipitation. In Balsas, Brazil, during the entire year, the rain falls for 178.4 days and collects up to 30.91" of precipitation.

Daylight

In Balsas, Brazil, the average length of the day in May is 11h and 46min.
On the first day of the month, sunrise is at 06:05 and sunset at 17:56. On the last day of May, sunrise is at 06:10 and sunset at 17:53 -03.

Sunshine

May has the least sunshine of the year, with an average of 6.3h of sunshine.

UV index

The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. 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: The daily high UV index of 6 during May translates into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.