Onitsha weather in January
January is one of the best months to visit Onitsha: highs of 29°C (85°F) and about 12 mm (0.5 in) of rain on average. Nights average 20°C (67°F) and cloud cover 42% (NASA POWER, 2001–2025 averages). It is the driest month of the year and the 5th warmest. Compared with December, it is about as warm and drier; February brings highs of 30°C (87°F) and 29 mm (1.1 in) of rain.
Is January a good time to visit Onitsha?
best month Weather score 90/100.
Yes. January is one of the best months for weather in Onitsha.
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Does it rain a lot in Onitsha in January?
No, it is usually dry: about 12 mm (0.5 in) falls in an average January. It is the driest month of the year.
How warm is Onitsha in January?
Days average 29°C (85°F) and nights 20°C (67°F).
Onitsha weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 29°C (85°F) | 20°C (67°F) | 12 mm | 42% | best |
| February | 30°C (87°F) | 22°C (72°F) | 29 mm | 60% | best |
| March | 30°C (86°F) | 23°C (74°F) | 60 mm | 75% | best |
| April | 30°C (86°F) | 24°C (75°F) | 123 mm | 79% | fair |
| May | 29°C (85°F) | 24°C (74°F) | 167 mm | 77% | fair |
| June | 28°C (83°F) | 23°C (73°F) | 227 mm | 79% | least pleasant |
| July | 28°C (82°F) | 22°C (72°F) | 231 mm | 86% | least pleasant |
| August | 28°C (82°F) | 22°C (71°F) | 242 mm | 87% | least pleasant |
| September | 28°C (82°F) | 22°C (72°F) | 315 mm | 85% | least pleasant |
| October | 28°C (83°F) | 23°C (73°F) | 210 mm | 77% | least pleasant |
| November | 29°C (85°F) | 23°C (73°F) | 73 mm | 56% | best |
| December | 30°C (85°F) | 20°C (69°F) | 15 mm | 41% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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