Climate of Onitsha, Anambra State, Nigeria
Point-value climate at Onitsha (Anambra State, Nigeria). Population approximately 73,374.
Located in Anambra State, Nigeria, Onitsha has a tropical climate. Population approximately 73,374. Monthly average temperatures range from 25.7°C / 78.3°F in July to 29°C / 84.2°F in March, with rainfall varying from 10 mm / 0.4 in (December) to 308 mm / 12.1 in (September) — about 1790 mm / 70.5 in across the year. Onitsha is the capital of Anambra State. These are point-value climate normals sampled at Onitsha's coordinates — often quite different from the surrounding region's area-weighted average.
Best sunny months: January, February, December.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 27.4°C81.3°F | 15 mm0.6″ | Sunny & Hot |
| February | 28.4°C83.1°F | 29 mm1.1″ | Sunny & Hot |
| March | 29°C84.2°F | 73 mm2.9″ | — |
| April | 28.8°C83.8°F | 138 mm5.4″ | Tropical |
| May | 27.7°C81.9°F | 217 mm8.5″ | Tropical |
| June | 26.7°C80.1°F | 239 mm9.4″ | Tropical |
| July | 25.7°C78.3°F | 264 mm10.4″ | Tropical |
| August | 25.7°C78.3°F | 212 mm8.3″ | Tropical |
| September | 26°C78.8°F | 308 mm12.1″ | Tropical |
| October | 26.6°C79.9°F | 233 mm9.2″ | Tropical |
| November | 27.6°C81.7°F | 52 mm2″ | — |
| December | 27.4°C81.3°F | 10 mm0.4″ | Sunny & Hot |
Frequently asked questions
What is the best time to visit Onitsha?
The months with the sunniest, driest weather are January, February, December. Onitsha's warmest month is March at an average of 29°C / 84.2°F, and its driest month is December with about 10 mm / 0.4 in of rain.
What is the climate of Onitsha?
Onitsha, in Anambra State, Nigeria, has monthly average temperatures ranging from 25.7°C / 78.3°F in July to 29°C / 84.2°F in March. Annual rainfall is approximately 1790 mm / 70.5 in, with the wettest month being September (308 mm / 12.1 in) and the driest December (10 mm / 0.4 in).
What is the average temperature in Onitsha in March?
The average temperature in Onitsha in March is 29°C / 84.2°F, with rainfall of about 73 mm / 2.9 in — the warmest month of the year.
When is the driest month in Onitsha?
The driest month in Onitsha is December, with about 10 mm / 0.4 in of average monthly rainfall. Average temperature that month is 27.4°C / 81.3°F.
When is the wettest month in Onitsha?
The wettest month in Onitsha is September, with approximately 308 mm / 12.1 in of average monthly rainfall.