August weather forecastSaint-Denis, Reunion

Weather in August

In August, the city’s weather reveals a slight wrinkle as the temperatures plateau at a more consistent rate between day and night. Rainfall is nearly identical as the preceding month. With the receding high temperatures, tourists may find the weather more resilient to their itineraries. The improved weather conditions give rise to opportunities for strolling in the parks or joining in the city’s cultural festivities.

Temperature

Transitioning from July to August, Saint-Denis observes an average high-temperature of a still moderately hot 25.3°C (77.5°F), differing subtly from the previous month. In the month of August, Saint-Denis experiences an average low-temperature of 18°C (64.4°F).

Rainfall

In Saint-Denis, in August, it is raining for 9.6 days, with typically 58mm (2.28") of accumulated precipitation. In Saint-Denis, during the entire year, the rain falls for 119.3 days and collects up to 1659mm (65.31") of precipitation.

Sea temperature

August and September, with an average sea temperature of 23.8°C (74.8°F), are months with the coldest seawater in Saint-Denis.
Note: For someone sensitive to cold, swimming in 23.8°C (74.8°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Saint-Denis, the average length of the day in August is 11h and 25min.
On the first day of the month, sunrise is at 06:48 and sunset at 18:00. On the last day of August, in Saint-Denis, sunrise is at 06:27 and sunset at 18:09 +04.

Sunshine

In August, the average sunshine in Saint-Denis, Reunion, is 6.9h.

UV index

In August, the average daily maximum UV index in Saint-Denis is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 8 during August leads to these advisories:
Without adequate protection, skin and eyes might suffer damage. Ensure precautions are in place. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Caution! The Sun's UV intensity grows with reflections off sand and water.