Taking the local weather in Llanengan into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 14°C, while the coldest months are February and January, with an average of 7°C. The rainiest months in Llanengan are December, November, October and January, with each month seeing an average of 180 mm of rainfall.