Climate in Onitsha, Nigeria

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Onitsha, Nigeria

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Onitsha, Nigeria

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Onitsha, Nigeria

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Weather Forecasts for Onitsha

Thu   Mar 28
40°C | 27°C
S 11 km/h
0.2 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

Fri   Mar 29
38°C | 27°C
S 11 km/h
0.8 mm
partly cloudy and thunder

partly cloudy and thunder

Sat   Mar 30
36°C | 27°C
SW 14 km/h
7.3 mm
broken clouds and thunder

broken clouds and thunder

The best time of year to visit Onitsha in Nigeria

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Onitsha?
    Most rainfall (rainy season) is seen in May, June, July, August, September and October.
  • Does Onitsha have a dry season?
    Yes, the months of January and December are very dry.
  • Which is the hottest month in Onitsha?
    February has an average maximum temperature of 37°C and is the hottest month of the year.
  • Which is the coolest month in Onitsha?
    The coolest month is August with an average maximum temperature of 30°C.
  • Which is the wettest month in Onitsha?
    September tops the wettest month list with 227 mm of rainfall.
  • Which is the driest month in Onitsha?
    December is the driest month with 10 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.