Onitsha weather in 2023
Onitsha weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Onitsha.
Year summary
In 2023, Onitsha averaged 32.0 C for daily highs and 23.4 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.4 C from that baseline, and total precipitation was +161.0 mm from the baseline total.
The warmest month was February, with an average high of 35.8 C, while January had the lowest average low at 21.5 C.
The wettest month was June, totaling 247.1 mm. The hottest day reached 37.7 C on February 18, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 21.5 | 34.5 | 7.0 | 31 |
| February | 23.7 | 35.8 | 2.8 | 28 |
| March | 24.3 | 33.6 | 87.1 | 31 |
| April | 24.3 | 32.4 | 107.2 | 30 |
| May | 24.5 | 32.0 | 147.0 | 31 |
| June | 23.5 | 29.3 | 247.1 | 30 |
| July | 23.3 | 29.7 | 235.3 | 31 |
| August | 23.3 | 29.8 | 222.7 | 31 |
| September | 23.2 | 29.9 | 202.3 | 30 |
| October | 23.8 | 30.4 | 170.9 | 31 |
| November | 23.8 | 31.4 | 90.5 | 30 |
| December | 22.1 | 35.0 | 1.2 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | February 18, 2023 | 37.7 C |
| Coldest night | January 2, 2023 | 18.1 C |
| Wettest day | June 28, 2023 | 47.5 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.