May weather forecast
José da Penha, Brazil

The last month of the autumn, May, is also a hot month in José da Penha, Brazil, with an average temperature fluctuating between 20.1°C (68.2°F) and 30.7°C (87.3°F).

Temperature

Transitioning from April to May, José da Penha observes an average high-temperature of a still hot 30.7°C (87.3°F), differing subtly from the previous month. In the month of May, the average low-temperature in José da Penha usually rests at an agreeable 20.1°C (68.2°F).

Heat index

For most parts of May, the heat index is computed to be a torrid 38°C (100.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

April and May, with an average relative humidity of 73%, are the most humid months in José da Penha.

Rainfall

In José da Penha, in May, during 18.5 rainfall days, 67mm (2.64") of precipitation is typically accumulated. Throughout the year, in José da Penha, Brazil, there are 161.9 rainfall days, and 582mm (22.91") of precipitation is accumulated.

Daylight

In José da Penha, the average length of the day in May is 11h and 50min.
On the first day of May, sunrise is at 05:33 and sunset at 17:26. On the last day of the month, sunrise is at 05:37 and sunset at 17:24 -03.

Sunshine

The average sunshine in May in José da Penha is 8.4h.

UV index

The months with the lowest UV index are April through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during May translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.