Common information
- Country
- Nigeria
- Population
- 561 066
Weather, climate, temperature by months in Onitsha
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Average high, °C | 29 | 30 | 32 | 32 | 33 | 34 | 34 | 33 | 31 | 30 | 28 | 28 | 31 |
| Average temperature, °C | 26 | 26 | 27 | 27 | 27 | 29 | 29 | 28 | 27 | 26 | 26 | 26 | 27 |
| Average low, °C | 22 | 22 | 22 | 21 | 21 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 |
| Average precipitation, mm. | 334 | 252 | 58 | 13 | 13 | 31 | 100 | 159 | 228 | 254 | 312 | 239 | 1993 |
| Relative humidity, % | 84 | 84 | 81 | 73 | 68 | 70 | 74 | 79 | 82 | 84 | 85 | 85 | 79 |
| Wind speed, km/h | 8 | 7 | 6 | 7 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 8 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 23 | 24 | 23 | 21 | 21 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 275 |
| Growing degree-day, °C | 474 | 508 | 510 | 515 | 527 | 528 | 583 | 543 | 536 | 489 | 481 | 481 | 6174 |
| Solar radiation, global, Mj/m2 | 15 | 17 | 18 | 20 | 21 | 21 | 20 | 19 | 18 | 16 | 15 | 14 | 18 |