Oyem sees only 119 sunny days a year — overcast skies are common. Summers are intensely hot — air conditioning is essential. On the other hand, air quality is a concern.
Oyem, Gabon is a 89K-resident city with 119 sunny days and 0 frost days annually and an annual PM2.5 of 30.3 µg/m³. A city in Gabon.
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Dinner outside
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 | 30 | 30 | 30 | 30 | 30 | 28 | 27 | 28 | 29 | 29 | 29 | 30 | 29 |
| Daily mean°C | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 25 |
| Daily low°C | 22 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 35 | 36 | 36 | 36 | 35 | 34 | 33 | 33 | 34 | 34 | 34 | 35 | 35 |
| Mean feelsDaily mean feels-like°C | 30 | 30 | 29 | 30 | 30 | 29 | 28 | 28 | 27 | 28 | 29 | 30 | 29 |
| Low feelsDaily low feels-like°C | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 72 | 74 | 80 | 81 | 83 | 80 | 76 | 72 | 82 | 85 | 83 | 76 | 79 |
| Dewpoint°C | 20.7 | 21.3 | 21.7 | 21.8 | 21.8 | 21.1 | 20.2 | 19.8 | 20.9 | 21.3 | 21.4 | 21.2 | 21.1 |
| Precipitation | |||||||||||||
| Rainfallmm | 52 | 50 | 182 | 219 | 252 | 122 | 19 | 31 | 193 | 342 | 162 | 83 | 1707 |
| Rain days≥1mm | 15 | 12 | 24 | 24 | 26 | 23 | 5 | 9 | 26 | 29 | 26 | 14 | 233 |
| Wind | |||||||||||||
| Wind avgm/s | 1.6 | 1.6 | 1.6 | 1.3 | 1.2 | 1.3 | 1.6 | 2.0 | 1.7 | 1.3 | 1.2 | 1.3 | 1.5 |
| Wind gustsm/s | 2.8 | 2.8 | 2.8 | 2.4 | 2.2 | 2.3 | 2.7 | 3.0 | 2.8 | 2.3 | 2.3 | 2.5 | 2.6 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 8.0 | 8.7 | 8.3 | 9.0 | 8.0 | 7.7 | 7.7 | 8.0 | 7.3 | 7.0 | 7.9 | 8.6 | 8.0 |
| Clear skyindex | 26% | 34% | 29% | 30% | 30% | 28% | 29% | 24% | 26% | 21% | 30% | 33% | 28% |
| UV indexmax avg | 7.5 | 7.5 | 8.2 | 9.2 | 7.7 | 6.9 | 7.0 | 6.8 | 8.0 | 7.9 | 7.7 | 7.3 | 7.7 |
Outdoor living in Oyem is seasonal. Dinner outside is comfortable 12/12 months — impressive, while even walking manages 2/12 months.
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Air Quality
Oyem reports an annual PM2.5 of 30.3 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Oyem reports an annual PM2.5 of 30.3 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 30.3 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 Oyem? Honestly, air quality is a meaningful downside — at 30.3 µg/m³ annual PM2.5, Oyem sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Poor fit