March weather forecast
Florianópolis, Brazil

The arrival of March brings a slight decrease in temperature while maintaining similar high humidity levels. Rainfall experiences a reduction from February's peak, falling to 173mm (6.81"), spread over the same number of days. The sea remains warm for ocean-related activities, and the UV index dips marginally but is still high. March offers ample daylight for sightseeing and leisure activities, making it an appealing month for travelers.

Temperature

Transitioning into March, Florianópolis experiences an average high-temperature of a still warm 27.5°C (81.5°F), marking a minor shift from the preceding month. Florianópolis witnesses a consistent average low-temperature of 20.7°C (69.3°F) throughout March.

Heat index

The average heat index in March is evaluated at a hot 31°C (87.8°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. 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 extremely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In March, the average relative humidity in Florianópolis is 82%.

Rainfall

In March, the rain falls for 12 days. Throughout March, 173mm (6.81") of precipitation is accumulated. In Florianópolis, during the entire year, the rain falls for 120 days and collects up to 1518mm (59.76") of precipitation.

Sea temperature

In Florianópolis, in March, the average water temperature is 25.7°C (78.3°F).
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

In Florianópolis, Brazil, the average length of the day in March is 12h and 14min.
On the first day of March, sunrise is at 06:07 and sunset at 18:45. On the last day of the month, sunrise is at 06:23 and sunset at 18:12 -03.

Sunshine

In Florianópolis, the average sunshine in March is 6.3h.

UV index

In March, the average daily maximum UV index is 11. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 11 in March suggests the following recommendations:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Beware! Reflecting off water and sand, UV rays are much stronger.