Average monthly snow and rainfall in Greencastle
The mean monthly precipitation over the year in Greencastle (Tyrone County), including rain, snow, hail.
- Most rainfall (rainy season) is seen in August.
- On average, August is the wettest month with 102 mm of precipitation.
- On average, March is the driest month with 81 mm of precipitation.
- The average amount of annual precipitation is 1098 mm.
Weather Forecasts for Greencastle
Thu May 02
18°C | 8°C
NE 
22 km/h
22 km/h1.8 mm
broken clouds and chance of slight rain
Fri May 03
17°C | 7°C
E 11 km/h
11 km/h1.3 mm
broken clouds and small chance of slight rain
Sat May 04
14°C | 10°C
NW 11 km/h
11 km/h8.6 mm
overcast and heavy rain
