Average monthly snow and rainfall in Londonderry
The mean monthly precipitation over the year in Londonderry (Londonderry County), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: June, July and August.
- On average, August is the wettest month with 108 mm of precipitation.
- On average, March is the driest month with 86 mm of precipitation.
- The average amount of annual precipitation is 1155 mm.
Forecast for Londonderry
Fri May 17
20°C | 11°C
N 
14 km/h
14 km/h
partly cloudy and no rain
Sat May 18
16°C | 8°C
N 18 km/h
18 km/h
overcast and no rain
Sun May 19
17°C | 7°C
N 14 km/h
14 km/h0.5 mm
overcast and chance of slight rain
