During August, Onitsha experiences high daytime temperatures of 30°C (86°F) and cooler nights around 23°C (73°F). August sits within the rainy season, so expect regular and often heavy rainfall.
August in Onitsha can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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Pick a month to see the average temperature, rainfall and sunshine in Onitsha - and find the best time to visit.
Browse day-by-day weather records for Onitsha spanning 40 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 Onitsha from 2006 through 2026.
Find out more about the weather in Nigeria and which places have the best travel conditions in this month. See all of Nigeria in August →
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 August 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!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Onitsha climate overview or explore weather in Nigeria.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The Undiscovered Natural Heaven in Nigeria- Ogba Ukwa caves and waterfalls
The Ogba-Ukwa Cave and Waterfalls are best described as one of nature's greatest treasures, located within the crust of a range of hills encircling the area.
Visit Kruger Park in South Africa
Are you going to South Africa, then you cannot skip the Kruger Park. The Kruger Park is one of the most beautiful and largest safari parks in the world.
The Atlas Mountains in Morocco
This mountain range is the second highest mountains in the world and is certainly one of the most natural and wonderful mountains you could ever visit. One for the bucket list for sure.
One of South Africa's most spectacular private game reserves
Sabi Sand Game Reserve is one of South Africa's most spectacular private game reserves. The chance that you see the entire Big Five is high in winter (June - August).
