Port Harcourt gets 150 sunny days a year. Summers are intensely hot — air conditioning is essential. On the other hand, air quality is a concern.
Port Harcourt, Nigeria is a 2.6M-resident city with 150 sunny days and 0 frost days annually and an annual PM2.5 of 40.1 µg/m³. A city in Nigeria.
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Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 33 | 34 | 32 | 32 | 31 | 30 | 29 | 29 | 29 | 30 | 31 | 32 | 31 |
| Daily mean°C | 29 | 30 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 29 | 28 |
| Daily low°C | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 25 | 24 | 25 | 25 | 25 | 25 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 38 | 38 | 37 | 37 | 37 | 35 | 33 | 33 | 34 | 35 | 37 | 38 | 36 |
| Mean feelsDaily mean feels-like°C | 33 | 34 | 33 | 33 | 32 | 30 | 28 | 29 | 29 | 30 | 32 | 33 | 31 |
| Low feelsDaily low feels-like°C | 26 | 27 | 28 | 28 | 28 | 26 | 25 | 24 | 25 | 26 | 27 | 27 | 26 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 72 | 74 | 79 | 82 | 84 | 87 | 88 | 86 | 88 | 85 | 83 | 77 | 82 |
| Dewpoint°C | 23.3 | 24.2 | 25.2 | 25.1 | 25.3 | 24.4 | 23.7 | 23.9 | 24.2 | 24.3 | 24.8 | 24.0 | 24.4 |
| Precipitation | |||||||||||||
| Rainfallmm | 39 | 23 | 174 | 146 | 217 | 242 | 275 | 199 | 333 | 244 | 130 | 33 | 2055 |
| Rain days≥1mm | 9 | 9 | 27 | 23 | 27 | 29 | 31 | 29 | 30 | 29 | 27 | 10 | 280 |
| Wind | |||||||||||||
| Wind avgm/s | 1.9 | 2.0 | 2.2 | 2.1 | 1.8 | 1.9 | 2.2 | 2.8 | 2.0 | 1.6 | 1.7 | 1.7 | 2.0 |
| Wind gustsm/s | 3.9 | 4.0 | 3.7 | 3.5 | 3.4 | 3.3 | 3.3 | 4.0 | 3.4 | 3.0 | 3.0 | 3.2 | 3.5 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 9.3 | 9.3 | 8.9 | 8.4 | 8.2 | 6.0 | 7.0 | 7.9 | 6.0 | 6.3 | 9.0 | 9.6 | 8.0 |
| Clear skyindex | 43% | 51% | 31% | 29% | 24% | 16% | 19% | 19% | 17% | 18% | 30% | 54% | 29% |
| UV indexmax avg | 7.3 | 7.7 | 7.8 | 7.8 | 7.2 | 5.4 | 5.3 | 5.3 | 5.9 | 6.1 | 6.6 | 7.2 | 6.6 |
Outdoor activities in Port Harcourt are challenging most of the year. October through June are the toughest stretch. Running is tough year-round, while even walking manages 3/12 months.
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Air Quality
Port Harcourt reports an annual PM2.5 of 40.1 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Port Harcourt reports an annual PM2.5 of 40.1 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
PM2.5 annual average of 40.1 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Port Harcourt? Honestly, air quality is a genuine health trade-off — Port Harcourt's annual PM2.5 of 40.1 µg/m³ exceeds the EU limit and WHO standards by a wide margin, with respiratory impacts documented at these levels.