Cotonou in August
In August, Cotonou averages 26°C (80°F) during the day and 24°C (75°F) at night, with frequent rain — about 27 days of the month see precipitation (94 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
August offers comfortable temperatures in Cotonou, with some rain to plan around.
How August compares to the rest of the year in Cotonou
August is one of the coolest months in Cotonou (12th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 2°C below the annual average (29°C). August runs roughly the same as July (27°C) and warms a further 1°C into September (27°C).
August sunrise & sunset in Cotonou
Times shown for Cotonou local time (Africa/Porto-Novo), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Cotonou — August
Golden-hour and blue-hour windows for the 15th of August, in Cotonou's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Cotonou 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 (High season) and Cotonou's popularity.
Crowds & pricing — August in Cotonou
This is a busy month in Cotonou — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — August in Cotonou
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.
Cotonou in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 25°C / 77°F | 23 mm | 16 | — |
| February | 30°C / 87°F | 26°C / 79°F | 31 mm | 21 | — |
| March | 30°C / 86°F | 27°C / 80°F | 73 mm | 25 | — |
| April | 30°C / 86°F | 27°C / 80°F | 71 mm | 25 | — |
| May | 29°C / 85°F | 26°C / 79°F | 165 mm | 30 | — |
| June | 28°C / 82°F | 25°C / 77°F | 236 mm | 29 | — |
| July | 27°C / 80°F | 25°C / 76°F | 114 mm | 29 | — |
| August | 26°C / 80°F | 24°C / 75°F | 94 mm | 27 | — |
| September | 27°C / 81°F | 25°C / 76°F | 141 mm | 30 | — |
| October | 28°C / 83°F | 25°C / 77°F | 147 mm | 31 | — |
| November | 29°C / 85°F | 26°C / 79°F | 69 mm | 28 | — |
| December | 30°C / 86°F | 25°C / 78°F | 21 mm | 16 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Cotonou in August →
Frequently asked questions
How hot is Cotonou in August?
In August, Cotonou averages a high of 26°C (80°F) and a low of 24°C (75°F) — generally warm.
Does it rain a lot in Cotonou in August?
August is quite rainy in Cotonou, with about 27 rainy days on average.
Is August a good time to visit Cotonou?
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 Cotonou 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 Cotonou for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.