Castlereagh Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Castlereagh (Down County). The numbers are calculated over a 30-year period to provide a reliable average.
- Most rainfall (rainy season) is seen in October and November.
- On average, October is the wettest month with 103 mm of precipitation.
- On average, March is the driest month with 74 mm of precipitation.
- The average amount of annual precipitation is 1057 mm.
Current rainfall in Castlereagh
partly cloudy and small chance of slight rain
partly cloudy and no rain
overcast and heavy rain