May weather forecast
Serra do Navio, Brazil

May, the last month of the spring in Serra do Navio, is also a moderately hot month, with an average temperature ranging between min 24.1°C (75.4°F) and max 29.7°C (85.5°F).

Temperature

The advent of May presents an average high-temperature of a still warm 29.7°C (85.5°F), maintaining a close correlation with the preceding month. Throughout the May nights, Serra do Navio encounters a low-temperature of 24.1°C (75.4°F).

Heat index

Throughout May, the heat index is calculated to be a fiery hot 38°C (100.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Serra do Navio, the average relative humidity in May is 86%.

Rainfall

In Serra do Navio, Brazil, during May, the rain falls for 14.5 days and regularly aggregates up to 45mm (1.77") of precipitation. In Serra do Navio, during the entire year, the rain falls for 130.6 days and collects up to 370mm (14.57") of precipitation.

Daylight

The average length of the day in May is 12h and 10min.
On the first day of May, sunrise is at 06:20 and sunset at 18:29. On the last day of the month, sunrise is at 06:20 and sunset at 18:30 -03.

Sunshine

The average sunshine in May in Serra do Navio is 7.1h.

UV index

The months with the highest UV index in Serra do Navio are January through March, May through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 in May translates into these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.