Grand-Popo Weather in May
May in Grand-Popo brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 187 mm (7.4 in), so keep a rain jacket handy.
Rainfall in Grand-Popo in May
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 187 mm (7.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Grand-Popo in May
May in Grand-Popo brings very high temperatures, with highs of 31°C (88°F) and nights around 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Grand-Popo in May
Enjoy a sunny month with about 214 hours of sunshine, the clear skies make Grand-Popo even more beautiful.May in Grand-Popo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Grand-Popo Temperature in May
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Grand-Popo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand-Popo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand-Popo typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Grand-Popo in May
Browse day-by-day weather records for Grand-Popo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand-Popo historical weather extremes in May
According to our 34 years of weather records for Grand-Popo, the following extremes were recorded between 1992 and 2026.
- The warmest day in May was on May 6, 1999, with a maximum of 36°C (97°F).
- Grand-Popo experienced its chilliest May day on May 16, 2006, reaching only 26°C (79°F).
- The coldest night in May in Grand-Popo was on May 31, 2004, with a minimum of 21°C (70°F).
Best Places in Benin in May
Find out more about the weather in Benin and which places have the best travel conditions in this month. See all of Benin 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).
What to Wear in Grand-Popo in May
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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Grand-Popo in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Grand-Popo 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Grand-Popo climate overview or explore weather in Benin.
Popular in May
Where to go in May - average daytime high across popular destinations.
Dassa-Zoumé
34°C (93°F) Abomey33°C (91°F) Allada
32°C (90°F) Ouidah31°C (88°F) Ganvié31°C (88°F) Abomey-Calavi31°C (88°F) Cococodji31°C (88°F) Cotonou30°C (86°F) 
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