March weather forecast
Porto Novo, Benin

The first month of the spring, March, is also a hot month in Porto Novo, Benin, with average temperature fluctuating between 26.7°C (80.1°F) and 33.5°C (92.3°F).

Temperature

In Porto Novo, the average high-temperature remains the same as in February - a still tropical 33.5°C (92.3°F). The average low-temperature,, is 26.7°C (80.1°F).

Heat index

In March, the average heat index is appraised at a burning hot 46.5°C (115.7°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, wind, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain 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. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In March, the average relative humidity is 73%.

Rainfall

In Porto Novo, it is raining for 7.6 days, with typically 11mm (0.43") of accumulated precipitation. In Porto Novo, during the entire year, the rain falls for 148.7 days and collects up to 481mm (18.94") of precipitation.

Daylight

In Porto Novo, Benin, the average length of the day in March is 12.1h.

Sunshine

In March, the average sunshine in Porto Novo is 8.9h.

UV index

January through May, August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 7 in March transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.