Saint-Denis (Réunion) in August

In August, Saint-Denis (Réunion) averages 24°C (75°F) during the day and 19°C (67°F) at night, with frequent rain — about 20 days of the month see precipitation (39 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

August offers comfortable temperatures in Saint-Denis (Réunion), with some rain to plan around.

24°C
Avg high
19°C
Avg low
20
Rain days
39 mm
Rainfall

How August compares to the rest of the year in Saint-Denis (Réunion)

11th
warmest month of the 12
10th
wettest month of the 12
2%
of yearly rainfall falls in August
11 h 23 min
daylight on the 15th

August is one of the coolest months in Saint-Denis (Réunion) (11th of 12) and one of the driest months (10th of 12). Daytime temperature runs 2°C below the annual average (26°C). August runs roughly the same as July (24°C) and warms a further 1°C into September (25°C).

August sunrise & sunset in Saint-Denis (Réunion)

🌅
Sunrise (15th)
6:41 AM
🌇
Sunset (15th)
6:04 PM
Day length
11 h 23 min

Times shown for Saint-Denis (Réunion) local time (Indian/Reunion), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Saint-Denis (Réunion) — August

Golden-hour and blue-hour windows for the 15th of August, in Saint-Denis (Réunion)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:41 AM – 6:21 AM
🌄 Golden hour (AM)
6:21 AM – 7:21 AM
🌇 Golden hour (PM)
5:24 PM – 6:24 PM
🌆 Blue hour (PM)
6:24 PM – 7:04 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Saint-Denis (Réunion) in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Saint-Denis (Réunion)'s popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — August in Saint-Denis (Réunion)

Shoulder

Saint-Denis (Réunion) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — August in Saint-Denis (Réunion)

☀️ UV Index (noon, 15th)
10.1
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural. Check current dengue/malaria advisories for the destination.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Saint-Denis (Réunion) — August

24.5°C (76°F)
warm
comfortable for extended swimming

Across the year Saint-Denis (Réunion)'s sea swings from 24.5°C (August) to 28.3°C (February) — August sits at 24.5°C.

Saint-Denis (Réunion) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 28°C / 83°F 25°C / 77°F 390 mm 28
February 28°C / 83°F 25°C / 77°F 296 mm 26
March 28°C / 83°F 25°C / 77°F 310 mm 28
April 28°C / 82°F 24°C / 75°F 128 mm 25
May 26°C / 78°F 22°C / 71°F 48 mm 23
June 24°C / 76°F 20°C / 68°F 53 mm 20
July 24°C / 75°F 19°C / 66°F 38 mm 19
August 24°C / 75°F 19°C / 67°F 39 mm 20
September 25°C / 77°F 20°C / 68°F 39 mm 18
October 26°C / 79°F 21°C / 70°F 68 mm 21
November 27°C / 80°F 23°C / 73°F 91 mm 24
December 28°C / 83°F 24°C / 75°F 154 mm 25

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Saint-Denis (Réunion) in August →

Frequently asked questions

How hot is Saint-Denis (Réunion) in August?

In August, Saint-Denis (Réunion) averages a high of 24°C (75°F) and a low of 19°C (67°F) — generally warm.

Does it rain a lot in Saint-Denis (Réunion) in August?

August is quite rainy in Saint-Denis (Réunion), with about 20 rainy days on average.

Is August a good time to visit Saint-Denis (Réunion)?

August is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Saint-Denis (Réunion) in August?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Saint-Denis (Réunion) for a complete, climate-based checklist.

Open Saint-Denis (Réunion) on the interactive map

Check the live 10-day forecast and sunrise/sunset.