Weather in Onitsha in August
August in Onitsha is warm with average temperatures around 25.3°C (77.5°F). Expect significant rainfall with 242mm across approximately 27 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
28.3°C
82.9°F
Low
22.2°C
72.0°F
Precipitation
242 mm
9.5 inches
~27 rainy days
Conditions
Humidity
89%
Comparison to Adjacent Months
August is 73mm drier than September.