Portstewart Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Portstewart (Londonderry County). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: January, February, July, August, September, October, November and December.
- On average, November is the wettest month with 145 mm of precipitation.
- On average, May is the driest month with 79 mm of precipitation.
- The average amount of annual precipitation is 1341 mm.
Current rainfall in Portstewart
Thu Nov 21
5°C | 0°C
W 
36 km/h
36 km/h22 mm
broken clouds and chance of sleet
Fri Nov 22
4°C | -1°C
W 22 km/h
22 km/h8.6 mm
broken clouds and chance of sleet
Sat Nov 23
13°C | 1°C
SE 50 km/h
50 km/h33 mm
overcast and heavy rain
