Porto-Novo Weather in August

Benin · August climate averages and travel tips

Avg high27°C (81°F)
Avg low23°C (74°F)
Rainfall100 mm (3.9 in)
RatingPoor 3.9/10

In August, Porto-Novo has average highs of 27°C (81°F) and lows of 23°C (74°F). The month is moderately rainy, with about 100 mm (3.9 in) of rain spread over 20 days. Humidity averages 88%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is August a good time to visit Porto-Novo?

August is not the best time to visit Porto-Novo (3.9/10) mainly because of the rain. The weather is much better in December and January.

Visiting Porto-Novo in August

August: damp and cloudy

August feels warm rather than scorching, but the air is very humid. Rain falls on many days, and cloud often dulls the light. You may get a dry spell for a walk, but don't count on a full day outdoors.

The weather suits visits to Porto-Novo's museums, including the Ethnographic Museum, and shorter trips around the city. Long outdoor sightseeing can be tiring when the air feels sticky, while rain can interrupt plans. The nearby lagoon is less appealing for a day built around clear skies.

Independence Day

Benin's Independence Day falls on August 1. Porto-Novo is the national capital, so you may see official ceremonies and public celebrations. Exact events can vary from year to year.

If you hate crowds, steer clear of ceremony areas that day and enjoy the city's quieter museum stops instead. August is generally a quieter, lower-season month than December and January, when conditions are better for visiting. You're more likely to find a relaxed feel in August, and accommodation may cost less, though prices vary.

Make room for rain

Travelling with kids? Keep a museum visit in reserve for wet afternoons, rather than relying on a long outdoor outing. July is rainier than August, but September gets wetter again, so August offers a relative break in the rainy season—not dry weather.

A practical stop is Musée Honmé, the former royal palace linked to King Toffa. Keep it as your indoor option when showers set in, and ask locally about access before making the trip. If you're choosing your travel month freely, December or January is usually a better bet for comfortable sightseeing.

August weather at a glance

Average high27°C (81°F)
Average low23°C (74°F)
Daily mean25°C (77°F)
Rainfall100 mm (3.9 in)
Rainy days (1 mm+)20
Humidity88%
Cloud cover73%
Daylight12.2 hours
Est. sunshine3.6 hours/day
Wind10.8 km/h
vs JulyAbout as warm as July, with 65 mm less rain.

What to pack for Porto-Novo in August

Porto-Novo weather in other months

Jan30°C / 24°C19 mmGoodFeb31°C / 25°C33 mmGoodMar30°C / 26°C86 mmPoorApr30°C / 26°C113 mmPoorMay29°C / 26°C164 mmPoorJun28°C / 25°C221 mmPoorJul27°C / 24°C165 mmPoorAug27°C / 23°C100 mmPoorSep28°C / 24°C207 mmPoorOct28°C / 25°C182 mmPoorNov29°C / 25°C63 mmFairDec30°C / 24°C20 mmGood

← JulyBest time to visit Porto-NovoSeptember →

Better weather in August nearby

Nearby in August

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