May weather forecast
Santa Tereza do Tocantins, Brazil

May, the last month of the autumn in Santa Tereza do Tocantins, is another hot month, with an average temperature ranging between min 21.4°C (70.5°F) and max 30.4°C (86.7°F).

Temperature

In May, Santa Tereza do Tocantins experiences a minor shift in meteorological conditions with average high-temperatures marked at a still tropical 30.4°C (86.7°F), closely mirroring the climate in April. In the month of May, the nighttime temperature in Santa Tereza do Tocantins dips to a steady average of 21.4°C (70.5°F).

Heat index

Throughout May, the heat index is calculated to be a fiery hot 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Be aware that heat index ratings are designed for shaded locations and minor breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Santa Tereza do Tocantins, Brazil, during May, the rain falls for 15.3 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, in Santa Tereza do Tocantins, there are 198 rainfall days, and 907mm (35.71") of precipitation is accumulated.

Daylight

In Santa Tereza do Tocantins, the average length of the day in May is 11h and 38min.
On the first day of the month, sunrise is at 06:16 and sunset at 18:00. On the last day of May, sunrise is at 06:22 and sunset at 17:55 -03.

Sunshine

With an average of 7.3h of sunshine, May has the least sunshine of the year in Santa Tereza do Tocantins.

UV index

February through May and December, with an average maximum UV index of 6, are months with the lowest UV index in Santa Tereza do Tocantins. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.