Average monthly snow and rainfall in Dyffryn
The mean monthly precipitation over the year in Dyffryn (Gwynedd), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, February, March, July, August, September, October, November and December.
- On average, December is the wettest month with 169 mm of precipitation.
- On average, April is the driest month with 90 mm of precipitation.
- The average amount of annual precipitation is 1477 mm.
Forecast for Dyffryn
Mon May 27
15°C | 10°C
SW 
22 km/h
22 km/h
partly cloudy and no rain
Tue May 28
15°C | 11°C
SW 29 km/h
29 km/h12 mm
overcast and heavy rain
Wed May 29
16°C | 11°C
NW 18 km/h
18 km/h3.9 mm
partly cloudy and rain
