Historical weather in Onitsha, Nigeria
Onitsha weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
Interactive graph
Explore Onitsha in the interactive graph
Open the full graph with Onitsha already loaded, then add more cities to compare.
Weather summary
Across 2023-2025, Onitsha averaged 32.4 C for daily highs and 23.8 C for daily lows across 1096 daily observations.
The warmest month was February 2024, with an average high of 37.0 C, while January 2023 had the lowest average low at 21.5 C.
The wettest month was July 2025, totaling 334.4 mm of precipitation.
The hottest day reached 38.8 C on February 12, 2025; the coldest night fell to 18.1 C on January 2, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 21.5 | 34.5 | 7.0 | 31 |
| 2023 | February | 23.7 | 35.8 | 2.8 | 28 |
| 2023 | March | 24.3 | 33.6 | 87.1 | 31 |
| 2023 | April | 24.3 | 32.4 | 107.2 | 30 |
| 2023 | May | 24.5 | 32.0 | 147.0 | 31 |
| 2023 | June | 23.5 | 29.3 | 247.1 | 30 |
| 2023 | July | 23.3 | 29.7 | 235.3 | 31 |
| 2023 | August | 23.3 | 29.8 | 222.7 | 31 |
| 2023 | September | 23.2 | 29.9 | 202.3 | 30 |
| 2023 | October | 23.8 | 30.4 | 170.9 | 31 |
| 2023 | November | 23.8 | 31.4 | 90.5 | 30 |
| 2023 | December | 22.1 | 35.0 | 1.2 | 31 |
| 2024 | January | 22.5 | 36.3 | 0.3 | 31 |
| 2024 | February | 24.5 | 37.0 | 14.1 | 29 |
| 2024 | March | 25.8 | 35.6 | 19.3 | 31 |
| 2024 | April | 25.5 | 35.1 | 53.3 | 30 |
| 2024 | May | 24.9 | 33.3 | 73.6 | 31 |
| 2024 | June | 23.7 | 31.0 | 122.0 | 30 |
| 2024 | July | 23.3 | 29.8 | 191.0 | 31 |
| 2024 | August | 23.2 | 29.8 | 140.4 | 31 |
| 2024 | September | 23.2 | 29.7 | 181.9 | 30 |
| 2024 | October | 23.4 | 30.1 | 221.3 | 31 |
| 2024 | November | 24.0 | 33.6 | 6.0 | 30 |
| 2024 | December | 22.8 | 35.7 | 0.4 | 31 |
| 2025 | January | 24.0 | 36.0 | 9.7 | 31 |
| 2025 | February | 25.7 | 36.6 | 12.0 | 28 |
| 2025 | March | 25.6 | 35.4 | 61.1 | 31 |
| 2025 | April | 24.7 | 32.8 | 117.5 | 30 |
| 2025 | May | 24.3 | 32.1 | 103.5 | 31 |
| 2025 | June | 23.6 | 30.0 | 169.3 | 30 |
| 2025 | July | 22.8 | 28.4 | 334.4 | 31 |
| 2025 | August | 22.7 | 28.5 | 189.8 | 31 |
| 2025 | September | 23.0 | 29.2 | 274.5 | 30 |
| 2025 | October | 23.3 | 29.7 | 218.8 | 31 |
| 2025 | November | 24.3 | 33.2 | 28.1 | 30 |
| 2025 | December | 24.7 | 34.7 | 16.8 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | February 12, 2025 | 38.8 C |
| Coldest night | January 2, 2023 | 18.1 C |
| Wettest day | September 28, 2025 | 48.9 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.