March weather forecast
Humaitá, Brazil

March, the first month of the autumn in Humaitá, is a hot month, with an average temperature ranging between min 22.6°C (72.7°F) and max 30.3°C (86.5°F).

Temperature

March's advent presents an average high-temperature of a hot 30.3°C (86.5°F), indicating a slight variation from the conditions of the previous month. Nighttime temperatures consistently average an agreeable 22.6°C (72.7°F) during March.

Heat index

The heat index for March is appraised at a blistering 42°C (107.6°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in March is 89%.

Rainfall

In March, in Humaitá, the rain falls for 29.2 days. Throughout March, 237mm (9.33") of precipitation is accumulated. Throughout the year, there are 246.6 rainfall days, and 1538mm (60.55") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 8min.
On the first day of March in Humaitá, sunrise is at 06:16 and sunset at 18:31. On the last day of the month, sunrise is at 06:15 and sunset at 18:17 -04.

Sunshine

In Humaitá, the average sunshine in March is 5.4h.

UV index

The months with the lowest UV index are January through April and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 in March translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.