May weather forecast
Goiatins, Brazil

May, the last month of the autumn in Goiatins, is another tropical month, with an average temperature ranging between max 30.3°C (86.5°F) and min 21.3°C (70.3°F).

Temperature

May's onset records an average high-temperature of a still tropical 30.3°C (86.5°F), a near match to April's 30°C (86°F). Goiatins experiences an average nighttime temperature of 21.3°C (70.3°F) in the month of May.

Heat index

The heat index in May is evaluated at a very hot 37°C (98.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in May is 76%.

Rainfall

In May, the rain falls for 12.8 days. Throughout May, 34mm (1.34") of precipitation is accumulated. In Goiatins, during the entire year, the rain falls for 178.4 days and collects up to 785mm (30.91") of precipitation.

Daylight

The average length of the day in May in Goiatins is 11h and 46min.
On the first day of the month, sunrise is at 06:11 and sunset at 18:01. On the last day of May, sunrise is at 06:15 and sunset at 17:58 -03.

Sunshine

With an average of 6.3h of sunshine, May has the least sunshine of the year in Goiatins.

UV index

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 6 in May leads to these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.