June weather forecast
Teresina, Brazil

June brings about further changes to Teresina's climate. The weather continues growing drier, while the temperature plateaus, maintaining comfortable warmth throughout the month. The cloud cover reduces substantially, thus facilitating increasing sunshine hours and overall visibility. In June, rainfall in Teresina further declines to a mere 26mm (1.02"), marking the onset of the city’s dry season. All in all, Teresina in June is synonymous with less rain, increased sunshine, and steady warm temperatures.

Temperature

Shifting into June, Teresina records an average high-temperature of a still tropical 31.8°C (89.2°F), presenting minor fluctuations compared to the previous month. During June, Teresina experiences an average low-temperature of 22.2°C (72°F) at night.

Heat index

In June, the heat index is calculated to be a very hot 39°C (102.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Teresina, Brazil, the average relative humidity in June is 68%.

Rainfall

In June, the rain falls for 10.7 days. Throughout June, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 207.4 rainfall days, and 1348mm (53.07") of precipitation is accumulated.

Daylight

June has the shortest days of the year in Teresina, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 05:53 and sunset at 17:44. On the last day of June, in Teresina, sunrise is at 06:00 and sunset at 17:50 -03.

Sunshine

In June, the average sunshine is 8.7h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in June interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.