Onitsha Weather Year-Round — Best Time to Visit
Onitsha, Nigeria has hot weather year-round. The best time to visit is December (score: 96/100). Annual average high: 31.3°C, total rainfall: 1254mm.
When is the best time to visit Onitsha?
96
December is the best month to visit Onitsha with a travel score of 96/100 (Excellent).
Expect highs of 33.3°C, 1 rain days, and 10 hours of daily sunshine.
View December weather details →Travel Score by Month
96
Jan
90
Feb
78
Mar
71
Apr
64
May
63
Jun
62
Jul
62
Aug
62
Sep
62
Oct
84
Nov
96
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Onitsha each month?
31.3°C
Avg High
23.6°C
Avg Low
1254mm
Annual Rain
How much rain does Onitsha get?
Onitsha receives 1254mm of rain annually. The wettest month is typically September with 207mm, while December is the driest.
What is the weather like each month in Onitsha?
January
96
35°C
Low: 23°C
1 rain days
Excellent
February
90
35°C
Low: 24°C
2 rain days
Excellent
March
78
34°C
Low: 25°C
9 rain days
Good
April
71
32°C
Low: 25°C
15 rain days
Good
May
64
31°C
Low: 24°C
21 rain days
Good
June
63
29°C
Low: 23°C
24 rain days
Good
July
62
29°C
Low: 23°C
24 rain days
Good
August
62
29°C
Low: 23°C
23 rain days
Good
September
62
29°C
Low: 23°C
25 rain days
Good
October
62
30°C
Low: 23°C
22 rain days
Good
November
84
31°C
Low: 24°C
6 rain days
Excellent
December
Best time to visit96
33°C
Low: 23°C
1 rain days
Excellent
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Data based on 1994–2024 averages · Last updated: 2024-12-31