May weather forecast
Itacajá, Brazil

May, the last month of the autumn in Itacajá, is another tropical month, with an average temperature fluctuating between 22.1°C (71.8°F) and 31°C (87.8°F).

Temperature

May's arrival registers an average high-temperature of a still hot 31°C (87.8°F), closely aligning with the temperature of the previous month. Itacajá records an average low-temperature of 22.1°C (71.8°F) throughout the month of May.

Heat index

In May, the heat index is computed to be a scorching 40°C (104°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Itacajá, the average relative humidity in May is 77%.

Rainfall

In Itacajá, in May, it is raining for 19 days, with typically 65mm (2.56") of accumulated precipitation. In Itacajá, during the entire year, the rain falls for 220.5 days and collects up to 1134mm (44.65") of precipitation.

Daylight

In Itacajá, Brazil, the average length of the day in May is 11h and 44min.
On the first day of May in Itacajá, sunrise is at 06:13 and sunset at 18:02. On the last day of the month, sunrise is at 06:18 and sunset at 17:58 -03.

Sunshine

The average sunshine in May is 8.4h.

UV index

The months with the highest UV index in Itacajá, Brazil, are February, March, May through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.