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May in Port-Gentil brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). Quite a bit of rainfall is expected, around 132 mm (5.2 in), so pack an umbrella.
If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Port-Gentil - and find the best time to visit.
44-year average (1976-2025)
Based on our historical records, temperatures in Port-Gentil typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Port-Gentil spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Port-Gentil from 2005 through 2026.
Find out more about the weather in Gabon and which places have the best travel conditions in this month. See all of Gabon in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Port-Gentil climate overview or explore weather in Gabon.
Where to go in May - average daytime high across popular destinations.
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