March weather forecast
Santa Mercedes, Brazil

March, the first month of the autumn in Santa Mercedes, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 21°C (69.8°F).

Temperature

The onset of March manifests an average high-temperature of a moderately hot 29.5°C (85.1°F), demonstrating a minor variation from the preceding month. During March, Santa Mercedes experiences an average low-temperature of 21°C (69.8°F) at night.

Heat index

In March, the average heat index is calculated to be a sweltering 37°C (98.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular importance for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

With an average relative humidity of 83%, March is the most humid month.

Rainfall

In Santa Mercedes, in March, it is raining for 24.3 days, with typically 145mm (5.71") of accumulated precipitation. In Santa Mercedes, during the entire year, the rain falls for 189.5 days and collects up to 1170mm (46.06") of precipitation.

Daylight

In March, the average length of the day is 12h and 12min.
On the first day of March, sunrise is at 06:24 and sunset at 18:54. On the last day of the month, sunrise is at 06:34 and sunset at 18:27 -03.

Sunshine

The average sunshine in March in Santa Mercedes is 7.9h.

UV index

The average daily maximum UV index in March in Santa Mercedes is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 6 in March leads to these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.