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Average humidity in Riyan

The mean monthly relative humidity over the year in Riyan (), Yemen.


  • On average, September is the most humid month, at 81.0%.
  • On average, February is the least humid month, at 69.0%.
  • The average annual percentage of humidity is 75%.

Forecast for Riyan

Tue   Nov 05
32°C | 24°C
SE 18 km/h
almost clear and no rain

almost clear and no rain

Wed   Nov 06
33°C | 24°C
SE 18 km/h
0.8 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Thu   Nov 07
31°C | 23°C
SE 18 km/h
almost clear and no rain

almost clear and no rain

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