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Average humidity in Castlereagh

The mean monthly relative humidity over the year in Castlereagh (Down County), the United Kingdom.

* Data from: Belfast, Ireland (24 KM, 15 Miles).
  • On average, September is the most humid month, at 91.0%.
  • On average, February is the least humid month, at 86.0%.
  • The average annual percentage of humidity is 90%.

Forecast for Castlereagh

Thu   Nov 14
14°C | 10°C
NW 11 km/h
broken clouds and no rain

broken clouds and no rain

Fri   Nov 15
13°C | 10°C
W 14 km/h
0.2 mm
overcast and small chance of slight rain

overcast and small chance of slight rain

Sat   Nov 16
12°C | 6°C
W 18 km/h
partly cloudy and no rain

partly cloudy and no rain

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