March weather forecast
São Gonçalo, Brazil

March ushers in the fall in São Gonçalo with weather conditions shifting bit by bit. While still warm, the city experiences a drop in temperature and slight increase in relative humidity, measuring at 82%. As daylight hours start to decrease, more overcast skies appear. Despite this, the city maintains its tropical allure with adequate hours of sunshine. It's an ideal time for visitors who appreciate milder temperatures and less crowded attractions.

Temperature

The onset of March in São Gonçalo brings with it an average high-temperature of a still moderately hot 28.2°C (82.8°F), showing a negligible variation from the month before. São Gonçalo, during the month of March, experiences an average low-temperature of 22.3°C (72.1°F).

Heat index

March's heat index is estimated at a hot 33°C (91.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. 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.

Humidity

March, November and December, with an average relative humidity of 82%, are the most humid months in São Gonçalo.

Rainfall

In March, the rain falls for 17.1 days. Throughout March, 60mm (2.36") of precipitation is accumulated. Throughout the year, in São Gonçalo, there are 179.5 rainfall days, and 747mm (29.41") of precipitation is accumulated.

Daylight

The average length of the day in March is 12h and 13min.
On the first day of March in São Gonçalo, sunrise is at 05:48 and sunset at 18:20. On the last day of the month, sunrise is at 06:00 and sunset at 17:52 -03.

Sunshine

In São Gonçalo, the average sunshine in March is 8.4h.

UV index

The average daily maximum UV index in March in São Gonçalo is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in March leads to these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.