April weather forecastItamarati, Brazil

Weather in April

April is a hot autumn month in Itamarati, Brazil, with an average temperature varying between 22.1°C (71.8°F) and 30.3°C (86.5°F).

Temperature

April's advent denotes a minor fluctuation in the average high-temperature to a hot 30.3°C (86.5°F) from March's 29.8°C (85.6°F). In April, Itamarati experiences an average nighttime temperature of 22.1°C (71.8°F).

Heat index

Throughout April, the heat index is calculated to be an extremely hot 42°C (107.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. 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. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Itamarati, Brazil, the average relative humidity in April is 89%.

Rainfall

In April, the rain falls for 26.5 days. Throughout April, 137mm (5.39") of precipitation is accumulated. In Itamarati, during the entire year, the rain falls for 281.1 days and collects up to 1504mm (59.21") of precipitation.

Daylight

The average length of the day in April is 11h and 58min.
On the first day of April, sunrise is at 06:35 and sunset at 18:37. On the last day of the month, sunrise is at 06:33 and sunset at 18:26 -04.

Sunshine

The average sunshine in April in Itamarati is 6.2h.

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 value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in April transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.