Onitsha weather in August
In August, Onitsha sees average daytime highs of 29°C and overnight lows near 23°C, with 177 mm of rain across 23.2 wet days and about 12.2 hours of daylight. It is the 12th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 18 min at the start of August to 12 h 06 min by month's end. Set against the rest of the year, August is Onitsha's 12th-clearest and 3rd-windiest month. For the whole year in context, see Onitsha's year-round climate.
- Daytime high
- 29°
- 12th warmest
- Overnight low
- 23°
- 1st coldest
- Rainfall
- 177 mm
- 23.2 wet days
- Daylight
- 12 h 12 min
- 6:31 AM – 6:43 PM
- Cloud cover
- 84%
- 12th clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 3.78 kWh/m²
- Travel score
- 3.6
- out of 10
Onitsha is A City in Anambra state Nigeria.
- Density
- 42,912/km²
- people per km²
- Founded
- 1550
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 29°C through the month.
A typical August day in Onitsha reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 23 |
| 2 | 29 | 23 |
| 3 | 29 | 23 |
| 4 | 29 | 23 |
| 5 | 29 | 23 |
| 6 | 29 | 23 |
| 7 | 29 | 23 |
| 8 | 29 | 23 |
| 9 | 29 | 23 |
| 10 | 29 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
| 31 | 29 | 23 |
How August really feels in Onitsha
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Onitsha weather by month
How August compares with the rest of the year at a glance. August is the 12th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 35° / 24° | 5 | 1.1 | 11.7 | 3.1 |
| Feb | 36° / 25° | 13 | 2.9 | 11.8 | 2.5 |
| Mar | 35° / 25° | 47 | 9.6 | 12 | 2.5 |
| Apr | 33° / 25° | 95 | 16.1 | 12.1 | 2.7 |
| May | 32° / 25° | 142 | 23.1 | 12.3 | 2.7 |
| Jun | 30° / 24° | 184 | 25.5 | 12.3 | 3.0 |
| Jul | 29° / 23° | 178 | 26 | 12.3 | 3.3 |
| Aug | 29° / 23° | 177 | 23.2 | 12.2 | 3.6 |
| Sep | 30° / 24° | 200 | 26.8 | 12 | 3.0 |
| Oct | 31° / 24° | 155 | 23.1 | 11.9 | 3.2 |
| Nov | 32° / 24° | 29 | 5.7 | 11.7 | 4.2 |
| Dec | 34° / 24° | 4 | 1 | 11.6 | 3.9 |
Cloud cover in August
The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 92%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Cloudier (%) | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 89 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 8 | 92 |
| 2 | 8 | 92 |
| 3 | 9 | 91 |
| 4 | 9 | 91 |
| 5 | 9 | 91 |
| 6 | 9 | 91 |
| 7 | 10 | 90 |
| 8 | 10 | 90 |
| 9 | 10 | 90 |
| 10 | 11 | 89 |
| 11 | 10 | 90 |
| 12 | 10 | 90 |
| 13 | 10 | 90 |
| 14 | 10 | 90 |
| 15 | 10 | 90 |
| 16 | 9 | 91 |
| 17 | 9 | 91 |
| 18 | 8 | 92 |
| 19 | 8 | 92 |
| 20 | 8 | 92 |
| 21 | 7 | 93 |
| 22 | 7 | 93 |
| 23 | 7 | 93 |
| 24 | 7 | 93 |
| 25 | 7 | 93 |
| 26 | 6 | 94 |
| 27 | 6 | 94 |
| 28 | 6 | 94 |
| 29 | 6 | 94 |
| 30 | 6 | 94 |
| 31 | 6 | 94 |
Chance of precipitation in August
Onitsha gets around 177 mm of rain over 23.2 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 76% and peaks near 85% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 75 | 74 | 74 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 77 | 78 | 78 | 79 | 80 | 80 | 81 | 82 | 83 | 84 | 85 |
| Rain chance (%) | |
|---|---|
| 1 | 75 |
| 2 | 74 |
| 3 | 74 |
| 4 | 73 |
| 5 | 73 |
| 6 | 72 |
| 7 | 72 |
| 8 | 72 |
| 9 | 72 |
| 10 | 72 |
| 11 | 72 |
| 12 | 72 |
| 13 | 73 |
| 14 | 73 |
| 15 | 74 |
| 16 | 74 |
| 17 | 75 |
| 18 | 75 |
| 19 | 76 |
| 20 | 76 |
| 21 | 77 |
| 22 | 78 |
| 23 | 78 |
| 24 | 79 |
| 25 | 80 |
| 26 | 80 |
| 27 | 81 |
| 28 | 82 |
| 29 | 83 |
| 30 | 84 |
| 31 | 85 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 99 | 0 |
| 2 | 1 | 99 | 0 |
| 3 | 1 | 99 | 0 |
| 4 | 1 | 99 | 0 |
| 5 | 1 | 99 | 0 |
| 6 | 1 | 99 | 0 |
| 7 | 1 | 99 | 0 |
| 8 | 1 | 99 | 0 |
| 9 | 1 | 99 | 0 |
| 10 | 1 | 99 | 0 |
| 11 | 1 | 99 | 0 |
| 12 | 1 | 99 | 0 |
| 13 | 0 | 100 | 0 |
| 14 | 0 | 99 | 1 |
| 15 | 0 | 99 | 1 |
| 16 | 0 | 99 | 1 |
| 17 | 0 | 99 | 1 |
| 18 | 0 | 99 | 1 |
| 19 | 0 | 99 | 1 |
| 20 | 0 | 99 | 1 |
| 21 | 0 | 99 | 1 |
| 22 | 0 | 99 | 1 |
| 23 | 0 | 99 | 1 |
| 24 | 0 | 99 | 1 |
| 25 | 0 | 99 | 1 |
| 26 | 0 | 99 | 1 |
| 27 | 0 | 99 | 1 |
| 28 | 0 | 99 | 1 |
| 29 | 0 | 99 | 1 |
| 30 | 0 | 99 | 1 |
| 31 | 0 | 99 | 1 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 18 min at the start of August to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over August. Sunrise moves from 6:31 AM to 6:29 AM, and sunset from 6:47 PM to 6:37 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 |
| Sunset (PM) | 6:47 | 6:47 | 6:47 | 6:46 | 6:46 | 6:46 | 6:46 | 6:46 | 6:45 | 6:45 | 6:45 | 6:44 | 6:44 | 6:44 | 6:43 | 6:43 | 6:43 | 6:42 | 6:42 | 6:42 | 6:41 | 6:41 | 6:40 | 6:40 | 6:39 | 6:39 | 6:39 | 6:38 | 6:38 | 6:37 | 6:37 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:31 | 6:47 |
| 2 | 12.3 | 6:31 | 6:47 |
| 3 | 12.3 | 6:31 | 6:47 |
| 4 | 12.3 | 6:31 | 6:46 |
| 5 | 12.3 | 6:31 | 6:46 |
| 6 | 12.3 | 6:31 | 6:46 |
| 7 | 12.2 | 6:31 | 6:46 |
| 8 | 12.2 | 6:31 | 6:46 |
| 9 | 12.2 | 6:31 | 6:45 |
| 10 | 12.2 | 6:31 | 6:45 |
| 11 | 12.2 | 6:31 | 6:45 |
| 12 | 12.2 | 6:31 | 6:44 |
| 13 | 12.2 | 6:31 | 6:44 |
| 14 | 12.2 | 6:31 | 6:44 |
| 15 | 12.2 | 6:31 | 6:43 |
| 16 | 12.2 | 6:31 | 6:43 |
| 17 | 12.2 | 6:31 | 6:43 |
| 18 | 12.2 | 6:31 | 6:42 |
| 19 | 12.2 | 6:31 | 6:42 |
| 20 | 12.2 | 6:31 | 6:42 |
| 21 | 12.2 | 6:30 | 6:41 |
| 22 | 12.2 | 6:30 | 6:41 |
| 23 | 12.2 | 6:30 | 6:40 |
| 24 | 12.2 | 6:30 | 6:40 |
| 25 | 12.2 | 6:30 | 6:39 |
| 26 | 12.2 | 6:30 | 6:39 |
| 27 | 12.1 | 6:30 | 6:39 |
| 28 | 12.1 | 6:30 | 6:38 |
| 29 | 12.1 | 6:29 | 6:38 |
| 30 | 12.1 | 6:29 | 6:37 |
| 31 | 12.1 | 6:29 | 6:37 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 3.78 kWh/m².
For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.5 kWh/m² in January across the year — August's 3.78 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.8 | Moderate |
| 3 | 3.8 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.8 | Moderate |
| 7 | 3.8 | Moderate |
| 8 | 3.8 | Moderate |
| 9 | 3.8 | Moderate |
| 10 | 3.8 | Moderate |
| 11 | 3.8 | Moderate |
| 12 | 3.8 | Moderate |
| 13 | 3.8 | Moderate |
| 14 | 3.8 | Moderate |
| 15 | 3.8 | Moderate |
| 16 | 3.8 | Moderate |
| 17 | 3.8 | Moderate |
| 18 | 3.8 | Moderate |
| 19 | 3.8 | Moderate |
| 20 | 3.8 | Moderate |
| 21 | 3.8 | Moderate |
| 22 | 3.8 | Moderate |
| 23 | 3.8 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.8 | Moderate |
| 29 | 3.8 | Moderate |
| 30 | 3.8 | Moderate |
| 31 | 3.8 | Moderate |
Hazard calendar for Onitsha
In August, Onitsha sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Onitsha's monsoon runs April–October, when most of the year's rain falls.
Onitsha sees seasonal dust haze (December–April), heaviest in February.
Is August a good time to visit Onitsha?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Onitsha.
What to pack for Onitsha in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Onitsha sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 23 days see rain.
UV index in Onitsha in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Onitsha peaks around September 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 12 | 12 | 11 | 11 | 10 | 9 | 12 | 12 | 10 | 8 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 8 | Very high |
Air quality in Onitsha in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Onitsha is worst in January — around 201 µg/m³ PM2.5 (very unhealthy), about 3.5× the cleanest month (August, 58 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 201 | 171 | 100 | 98 | 83 | 73 | 59 | 58 | 70 | 92 | 108 | 197 |
| Level | Very unhealthy | Very unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 201 | Very unhealthy |
| Feb | 171 | Very unhealthy |
| Mar | 100 | Unhealthy |
| Apr | 98 | Unhealthy |
| May | 83 | Unhealthy |
| Jun | 73 | Unhealthy |
| Jul | 59 | Unhealthy |
| Aug | 58 | Unhealthy |
| Sep | 70 | Unhealthy |
| Oct | 92 | Unhealthy |
| Nov | 108 | Unhealthy |
| Dec | 197 | Very unhealthy |
Where is Onitsha?
Onitsha sits at 6.1°N, 6.8°E, 57 m above sea level, in Nigeria. The nearest listed city is Nkpor, 5.0 km away.
Topography around Onitsha
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Onitsha.
Within 3 km, the terrain around Onitsha has only modest variations in elevation — a maximum elevation change of 131 m around an average of 54 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, significant variations in elevation — a maximum elevation change of 531 m.
The land around Onitsha is covered by artificial surfaces (70%) within 3 km, trees (45%) and artificial surfaces (23%) within 16 km, and trees (66%) and grassland (21%) within 80 km.
Nigeria travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type D / G
- 230 V · 50 Hz
- Prices
- ≈ 13% of US
- price level, 2025
- GDP per capita
- $1,224
- 2025
- Happiness
- 4.8 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 15.7
- per 100k, 2023
- Road deaths
- 20.7
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 569
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Onitsha (6.1498°, 6.7857°, elevation 57 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).