May weather forecast
Tenente Ananias, Brazil

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

Temperature

The commencement of May notes an average high-temperature of a still tropical 30.7°C (87.3°F), exhibiting little difference from the previous month. Tenente Ananias records an average nighttime low of 20.1°C (68.2°F) in May.

Heat index

In May, the average heat index is calculated to be a very hot 38°C (100.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. 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 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

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

Rainfall

In Tenente Ananias, Brazil, during May, the rain falls for 18.5 days and regularly aggregates up to 67mm (2.64") of precipitation. In Tenente Ananias, during the entire year, the rain falls for 161.9 days and collects up to 582mm (22.91") of precipitation.

Daylight

In Tenente Ananias, the average length of the day in May is 11h and 49min.
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 17:23 -03.

Sunshine

The average sunshine in May is 8.4h.

UV index

April through July, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 6 in May leads to these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.