North Wales Weather & Climate

Local Weather & When to Visit
North Wales is the most northerly of Wales’s region, local towns include Bangor, Barmouth, Abersoch and Caemarfon, the region is well known for Snowdonia National Park, Caernarfon Castle, Portmeirion Village and includes Castles and Town Walls of King Edward in Gwynedd and the Pontcysyllte Aqueduct and Canal, UNESCO World Heritage Sites.

The region has a temperate maritime climate with typically warm rather than hot summers and cool to cold winters. North Wales rarely experiences very extreme weather meaning North Wales can be visited throughout the year. On average the hottest month is July in summer and the coldest is January in winter. Rainfall on average falls fairly evenly throughout the year, the wettest month is December and the driest is July.

The weather is unpredictable as with the rest of the UK and it is possible to see elements of all four seasons in one day. The region may experience some snowfall in the winter. It is advisable for visitors to check the weather forecast before they arrive in North Wales to get a better idea of the sort of clothing they will need during their trip. Bringing hooded waterproof coats and hats will ensure visitors are prepared for any spells of wind and rain the region may experience.

Colwyn Bay (North Wales) Average Weather
Average Temperature high: 13.3°C (55.9 °F)
Average Temperature low: 6.9°C (44.4 °F)
Average Monthly Precipitation: 65.68 (mm)

The days are at their shortest and the temperature at the coolest, the days can be crisp and clear therefore if visitors do not mind the cold, it is possible to enjoy visiting North Wales in winter. There is the possibility of snowfall during this time and it can get cold so visitors are advised to bring warm winter clothing. The area hosts a number of fairs and Christmas markets at this time of year. From December to February the average daytime temperatures are between 8°C and 9°C.

The climate is milder in spring making it a good time to visit North Wales. There can be some great sunny days mixed with cooler and wet weather. Spring is a good time to visit North Wales if visitors prefer the weather mild to warm and offers an alternative to visiting in peak summer. From March to May the average daytime temperatures are between 9°C and 15°C.

Most days in summer range from mild to warm with the possibility of some infrequent hotter days, the days are at their longest in the summer. There may be overcast and humid conditions in the summer. The average temperature in July and August is approx 20°C, making for pleasant summer temperatures. The summer is a good time to explore North Wales’s coastline, towns and villages and take in the scenic countryside along the way. From June to August the average daytime temperatures are between 17°C and 20°C.

The climate can vary from some pleasantly mild days particularly at the start of September to cooler and colder days in October and November. Autumn is a good time to visit North Wales as it avoids the peak summer tourist season, whilst still having milder temperatures and longer hours of daylight particularly at the start of September. Visitors can see some wonderful autumn colours. From September to November the average daytime temperatures are between 10°C and 17°C.

Bangor Weather:

This Weather Widget is provided by the Met Office

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