March weather forecast
Passo, Brazil

March, the first month of the autumn in Passo, is still a tropical month, with an average temperature ranging between min 18.3°C (64.9°F) and max 30.1°C (86.2°F).

Temperature

Passo, Brazil, experiences a minor change to a still tropical 30.1°C (86.2°F) in average high-temperature during March, closely reflecting February. Passo, in March, witnesses an average low-temperature of 18.3°C (64.9°F).

Heat index

In March, the heat index is evaluated at a sweltering 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In March, the average relative humidity is 70%.

Rainfall

In Passo, in March, during 10.8 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, there are 141.1 rainfall days, and 970mm (38.19") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 14min.
On the first day of March, sunrise is at 06:36 and sunset at 19:16. On the last day of the month, sunrise is at 06:54 and sunset at 18:42 -03.

Sunshine

In March, the average sunshine in Passo is 8.6h.

UV index

The average daily maximum UV index in March in Passo is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In March, the average maximum UV index of 6 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.