June weather forecast
Santarém, Brazil

The first month of the winter, June, is a hot month in Santarém, Brazil, with an average temperature fluctuating between 23.8°C (74.8°F) and 30.7°C (87.3°F).

Temperature

The advent of June brings an average high-temperature of a hot 30.7°C (87.3°F), exhibiting minor difference from the previous month. Santarém experiences a nighttime temperature average of 23.8°C (74.8°F) during June.

Heat index

The heat index value during June is evaluated at a scorching 40°C (104°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The average relative humidity in June in Santarém is 79%.

Rainfall

In Santarém, during June, the rain falls for 22.8 days and regularly aggregates up to 140mm (5.51") of precipitation. In Santarém, during the entire year, the rain falls for 259.2 days and collects up to 2234mm (87.95") of precipitation.

Daylight

The month with the shortest days in Santarém, Brazil, is June, with an average of 12h and 0min of daylight.
On the first day of June, sunrise is at 06:37 and sunset at 18:36. On the last day of the month, sunrise is at 06:43 and sunset at 18:42 -03.

Sunshine

The average sunshine in June in Santarém is 8.8h.

UV index

The months with the highest UV index in Santarém are January, April through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In June, the maximum UV index of 7 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.