April weather forecast
Port Louis, Mauritius

In April, Port Louis transitions into a marginally cooler gateway, veering away from the high temperatures experienced in March. With warmer sea temperatures in April than in the upcoming May, April remains a prime period for marine tourism. April sees a significant decrease in rainfall, making it a preferable time for any outdoor activities. The UV index remains relatively high, underlining the importance of suitable sun protection. Despite the drop in temperature, the climate remains enjoyable and predominantly sunny.

Temperature

Entering April, Port Louis's average high-temperature reads a still moderately hot 27.5°C (81.5°F), indicating a close resemblance to the previous month's climate. Recording a slight decline in temperature during the nights, Port Louis's April temperatures average at a still moderately hot 25.3°C (77.5°F).

Heat index

The heat index in April is evaluated at a tropical 31°C (87.8°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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

The average relative humidity in April is 77%.

Rainfall

In Port Louis, in April, during 17.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Port Louis, during the entire year, the rain falls for 177.1 days and collects up to 480mm (18.9") of precipitation.

Sea temperature

In Port Louis, the average seawater temperature in April is 27.7°C (81.9°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In April, the average length of the day in Port Louis, Mauritius, is 11h and 38min.
On the first day of April in Port Louis, sunrise is at 06:17 and sunset at 18:10. On the last day of the month, sunrise is at 06:25 and sunset at 17:48 +04.

Sunshine

The average sunshine in April in Port Louis is 7.1h.

UV index

January through April and December, with an average maximum UV index of 7, are months with the highest UV index in Port Louis. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in April interprets into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Caution! Sand and water reflections can notably increase the UV radiation intensity.