Snowdonia National Park Weather And Best Time To Visit Snowdonia National Park

With the sea and the mountains encompassing this beautiful place, rainfall and snow are a significant feature of Snowdonia. With a rare extreme climate, you can visit Snowdonia any time of the year. On average August is the warmest month in summer, while January’s the coldest in Winter. While summer is an opportune time to explore its scenic countryside and of course the mountains, the weather can vary between pleasantly moderate days from September to cooler/colder days in October/November. From June through August the average day temperature oscillates between 17°C to 19°C. Hence the best time to visit Snowdonia is June through August. Rainfall is evenly spread through the year, with the driest month is April and the wettest month being November.

Spring is the best time to walk around the cities, along the trails and through castle grounds in Snowdonia, with dry and mild weather and a variety of birdsongs, lambs and wildflowers to admire through the way. Even though March through April may be wet, windswept and wild, there’s plenty of charm by the lakeside to enjoy the morning mist or enjoy a cowl bowl being tucked up warm and cozy. To enjoy spring in Snowdonia, May is the best time to explore the Welsh Highland Railways for their annual beer festival and the Ffestiniog.

During summers, the sun shines bright and the sandy beaches of Snowdonia turn crowd pullers to enjoy the golden sands and crystal waters. Snowdonia’s an outdoor activity centre during Summers, however being a mountainside, it’s popular with the locals for activities all year round! Even though June gets a bit warm, it is the perfect time for fair weather enthusiasts, while July through August is ideal for activities like camping, foraging the outdoors and canoeing.

With less crowd, comfortable weather conditions and the Helfa Gelf arts trail, September is quite beautiful in Snowdonia, with a congregation of sculptors, local artists and jewelers, flocking the town almost every weekend. There’ a lot going on during the fall season, with Snowdonia’s Conwy Feast, music and art activities at end of October.

December through February is dull and chilly in Snowdonia with less to none tourist presence and sporadic local presence in pubs or on the hills. Winter walking and climbing are only recommended with specialist guides with state of the art, weather & safety gear.