April weather forecast
Guaiúba, Brazil

April, like March, is a hot autumn month in Guaiúba, Brazil, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 30.8°C (87.4°F).

Temperature

Guaiúba experiences a subtle adjustment in high-temperatures to a still tropical 30.8°C (87.4°F) with the onset of April, maintaining near parity with March's 31.1°C (88°F). In April, the recorded average low-temperature in Guaiúba is a warm 23.5°C (74.3°F).

Heat index

During April, the heat index is evaluated at a scorching 41°C (105.8°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

April is the most humid month, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Guaiúba is April, when the rain falls for 23.8 days and typically aggregates up to 94mm (3.7") of precipitation.

Daylight

In Guaiúba, the average length of the day in April is 12h and 1min.
On the first day of the month, sunrise is at 05:36 and sunset at 17:40. On the last day of April, in Guaiúba, sunrise is at 05:32 and sunset at 17:30 -03.

Sunshine

In Guaiúba, the average sunshine in April is 7.1h.

UV index

The month with the lowest UV index is April, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in April suggests the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.