Climate averages 1991–2020
Port Harcourt weather
in August.
A warm, very wet month: the 11th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Port Harcourt: daytime highs average 27.6°C and nights cool to about 22.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 265 mm of rain on roughly 29 days, which makes August a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average August day.
The nearest other city in this atlas is Okrika (9 km away). In August its highs average 27.2°C, about as warm as Port Harcourt, with 265 mm of rain.
Among the 143 cities listed in Nigeria, Port Harcourt ranks joint 63rd of 143 for the warmest August highs and joint 121st of 143 for the driest August (rainfall, lowest first). The mean August high of those 143 cities is 27.8°C; Port Harcourt is 0.2°C cooler than that mean.
From August to September, average highs rise by 0.3°C to 27.9°C, and monthly rainfall rises from 265 mm to 324 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Port Harcourt climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.1°C23.6°C | 23.6°C | 49 | 13.2 | 11.912 h |
| February | 32.0°C24.4°C | 24.4°C | 80 | 18.0 | 12.012 h |
| March | 30.9°C24.6°C | 24.6°C | 177 | 27.2 | 12.112 h |
| April | 30.2°C24.5°C | 24.5°C | 231 | 27.6 | 12.212 h |
| May | 29.5°C24.1°C | 24.1°C | 281 | 29.5 | 12.312 h |
| June | 28.1°C23.3°C | 23.3°C | 341 | 29.1 | 12.412 h |
| July | 27.4°C22.7°C | 22.7°C | 324 | 29.1 | 12.412 h |
| August, selected | 27.6°C22.7°C | 22.7°C | 265 | 28.5 | 12.312 h |
| September | 27.9°C22.8°C | 22.8°C | 324 | 29.6 | 12.112 h |
| October | 28.5°C23.0°C | 23.0°C | 315 | 30.8 | 12.012 h |
| November | 29.6°C23.5°C | 23.5°C | 177 | 26.6 | 11.912 h |
| December | 31.0°C23.7°C | 23.7°C | 54 | 15.5 | 11.912 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Okrika in AugustNigeria · 9 kmHigh 27.2°C · Low 23.0°C · 265 mm rain
- Buguma in AugustNigeria · 17 kmHigh 27.4°C · Low 23.1°C · 259 mm rain
- Aba in AugustNigeria · 54 kmHigh 27.6°C · Low 22.1°C · 288 mm rain
- Ogbia in AugustNigeria · 78 kmHigh 27.4°C · Low 22.9°C · 242 mm rain
- Owerri in AugustNigeria · 79 kmHigh 28.3°C · Low 22.1°C · 272 mm rain
- Yenagoa in AugustNigeria · 84 kmHigh 27.7°C · Low 22.9°C · 247 mm rain
- Ikot Ekpene in AugustNigeria · 90 kmHigh 27.7°C · Low 22.0°C · 290 mm rain
- Umuahia in AugustNigeria · 99 kmHigh 27.7°C · Low 21.8°C · 249 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Port Harcourt) is explained once on the Port Harcourt year overview and on the Sources, method and limits page.
Okrika lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.