Onitsha Weather & Climate

Nigeria

Onitsha sees feels-like daytime highs peak around 39.7°C in April and nighttime lows bottom out near 25°C in January. September is the wettest month (~257 mm), while January is the driest (~6 mm). For sunshine, December leads with about 45% clear skies.

Best time to visit Onitsha

Based on mild feels-like temperatures and low rain chances, the most comfortable months are January, December, and February — expect around 2536.2°C with roughly 4% chance of rain on a given day in January.

Onitsha climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January25° / 36.2°4%6 mm42%8.7 kph
February27.8° / 38.1°11%19 mm31%8.9 kph
March30.8° / 39.6°30%59 mm21%9.3 kph
April31.3° / 39.7°49%108 mm16%9.5 kph
May30.9° / 38.5°64%168 mm15%9.3 kph
June29.7° / 36.9°68%206 mm21%10.2 kph
July28.2° / 35.5°68%211 mm23%11.5 kph
August28.2° / 35.1°69%235 mm22%11.7 kph
September29.2° / 35.4°76%257 mm19%10.1 kph
October29.6° / 36.8°64%200 mm20%8.1 kph
November28.2° / 37.7°26%59 mm31%7 kph
December25.4° / 36.6°7%11 mm45%7.7 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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