April weather forecast
Florianópolis, Brazil

April's weather in Florianópolis showcases transitioning conditions. Notably, rainfall decreases to 93mm (3.66"), significantly lower than the previous months, marking the onset of drier weather. Although there's a marked decrease in ultraviolet radiation exposure, the temperatures remain moderately high, allowing for pleasant tours and outdoor adventures, which are enhanced by nearly 11.4 hours of daylight. April's lower sea temperatures signal the end of the high beach season.

Temperature

Florianópolis ushers in April with an average high-temperature of a still warm 25.4°C (77.7°F), showing a close resemblance to the previous month. In April, the average low-temperature in Florianópolis records at an enjoyable 18.3°C (64.9°F) during the nights.

Humidity

The average relative humidity in April in Florianópolis is 82%.

Rainfall

In Florianópolis, in April, it is raining for 8 days, with typically 93mm (3.66") of accumulated precipitation. In Florianópolis, during the entire year, the rain falls for 120 days and collects up to 1518mm (59.76") of precipitation.

Sea temperature

In April, the average sea temperature is 24.4°C (75.9°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24.4°C (75.9°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in April in Florianópolis, Brazil, is 11h and 25min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:11. On the last day of April, in Florianópolis, sunrise is at 06:39 and sunset at 17:43 -03.

Sunshine

In April, the average sunshine in Florianópolis is 6.5h.

UV index

In Florianópolis, the average daily maximum UV index in April is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In April, the maximum UV index of 8 translates into these guidelines:
Ensure you're always protected. Unprotected skin can get damaged in moments. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.