May weather forecast
Barcarena, Brazil

May, the last month of the autumn in Barcarena, is a hot month, with an average temperature fluctuating between 30.5°C (86.9°F) and 23.4°C (74.1°F).

Temperature

The shift into May reveals an average high-temperature of a tropical 30.5°C (86.9°F), closely mirroring April's climate. Barcarena sees an average low-temperature of 23.4°C (74.1°F) during May.

Heat index

The heat index in May is estimated at a scorching 42°C (107.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Barcarena, the average relative humidity in May is 88%.

Rainfall

In May, the rain falls for 26.6 days. Throughout May, 175mm (6.89") of precipitation is accumulated. In Barcarena, Brazil, during the entire year, the rain falls for 283.5 days and collects up to 1348mm (53.07") of precipitation.

Sea temperature

January, March and May, with an average sea temperature of 28.3°C (82.9°F), are months with the warmest seawater in Barcarena.
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in May in Barcarena is 12h and 3min.
On the first day of May in Barcarena, sunrise is at 06:09 and sunset at 18:13. On the last day of the month, sunrise is at 06:11 and sunset at 18:13 -03.

Sunshine

The average sunshine in May in Barcarena is 7.7h.

UV index

January through March, May through December, with an average maximum UV index of 7, are months with the highest UV index in Barcarena. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during May leads to these instructions:
Deflect overexposure. Sun protection is a necessity. 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. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The Sun's UV rays are heightened by the reflection of sand and water.