Climate risk in Port Harcourt
Rivers State, Nigeria · 1M people in the urban area
What threatens Port Harcourt most
- Drought
- High WRI Aqueduct
- Water stress
- Low WRI Aqueduct
- River flood
- 0.21 m in a 100-year flood
Tsunamis and landslides are not rated for a single city here. Climate risk profile of Nigeria
Port Harcourt had 31 days with 20 mm of rain or more in 2025.
Lagos: 8 days.
The highest of the 14 large cities in Nigeria.
Port Harcourt's climate in the 2050s
2041-2060 compared with 1991-2020, moderate emissions
By the 2050s, Port Harcourt's climate comes closest to that of Palembang (Indonesia) today, though no large city matches it well.
No place on Earth matches it well today either. Indonesia: the place on the map
+1.2°C
Mean temperature over the year
+1.2°C
Highest in the warmest month
+1.4°C
Lowest in the coldest month
+1%
Precipitation over the year
Under high emissions, the nearest is Palembang (Indonesia), and only in part.
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How close the match is: 2.8 σ to the climate of Palembang today, where under 2 is close and over 4 is no match (Mahony et al. 2017). 3 of 3 climate model runs name the same city. Seasonal temperature and rain are compared, not extremes, city heat or the sea.
Where else Port Harcourt stands out
365 days
Tropical nights in 2025, over 20 °C
Kano: 213 days.
Higher than in 93% of the world's 630 large cities
2%
Land burned in an average year
Lagos: 0%.
Higher than in 93% of the world's 630 large cities
Hazards at Port Harcourt
Read at the city's centre and compared with the Atlas's 630 large cities. Moderate emissions is the IPCC's scenario SSP2-4.5.
| Hazard | Port Harcourt | Among large cities | In Nigeria |
|---|---|---|---|
| Hot days in 2025, over 35 °C | 1 day | Among large cities: above 38% | In Nigeria: 13 of 14 |
| Tropical nights in 2025, over 20 °C | 365 days | Among large cities: above 93% | In Nigeria: 1 of 14 |
| Hottest day of 2025 | 35.4°C | Among large cities: above 42% | In Nigeria: 13 of 14 |
| Warming by 2050, moderate emissions | +1.6°C | Among large cities: above 28% | In Nigeria: 10 of 14 |
| Days with 20 mm of rain or more in 2025 | 31 days | Among large cities: above 96% | In Nigeria: 1 of 14 |
| River flood depth, 100-year event | 0.21 m | Among large cities: above 89% | In Nigeria: 2 of 14 |
| Coastal flood depth, 100-year event | Dry at the city centre point | ||
| Sea level rise by 2050, moderate emissions | 238 mm | Among large cities: above 76% | |
| Water stress | Low (<10%) | Among large cities: above 0% | In Nigeria: 4 of 14 |
| Drought risk | High | Among large cities: above 50% | In Nigeria: 2 of 13 |
| Earthquake shaking, once in 475 years | 0.11 m/s² | Among large cities: above 11% | In Nigeria: 5 of 14 |
| Land burned in an average year | 2% | Among large cities: above 93% | In Nigeria: 4 of 14 |
| Cyclone wind, once in 100 years | 0 m/s |
Flood depth is read in a single 1 km cell at the city's centre, in today's climate. Other parts of the city can still flood. The country page names the deepest point near a coastal city in 2080, so its figure can be higher. See how deep a river flood reaches around Port Harcourt on the live map
See the tropical nights around Port Harcourt on the live map
365 days © OpenStreetMap Large cities near Port Harcourt
- Aba · Nigeria
- Onitsha · Nigeria
- Benin City · Nigeria
- Douala · Cameroon
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Source: Criora (criora.com), based on ECMWF, NEX-GDDP-CMIP6, WRI, IPCC, GSHAP, GFED500
APA
Criora. (2026). Port Harcourt, Nigeria: climate risk profile [Data set]. Retrieved November 2, 2026, from https://criora.com/atlas/NGA/port-harcourt BibTeX
@misc{criora_atlas_NGA_port_harcourt_2026,
author = {{Criora}},
title = {Port Harcourt, Nigeria: climate risk profile},
year = {2026},
url = {https://criora.com/atlas/NGA/port-harcourt},
urldate = {2026-11-02}
} Each reading stays under its source's terms; the sources are named on this page.
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