Weather Overview for Galway

Galway is a city in the west of Ireland. It has four distinct seasons with no particular extremes of weather. Rainfall is not too heavy throughout the year and with only a few rainy days in any particular month. Galway is an ideal holiday destination for family holidays and breaks and provides its visitors with much to do.

Summer weather in Galway is fairly warm and pleasant with an average high temperature of 17°C in June and 19°C in July and August, making summer the warmest season of the year in Galway. If the weather is hot enough (and if visitors are brave enough!) there are surfing opportunities available, whether it is attending beginner or advanced lessons.

The average low temperatures for Galway in summer can be rather cool at 9°C in June and 11°C in July and August. Summer is quite a dry time of year in Galway with only 9 days of precipitation at 72mm in June, 10 precipitation days at 70mm of rain in July and 91mm of rainfall over 10 days in August.

Autumn is a colourful time of year in Galway when the leaves change colour and drop from the trees… the temperature drops too with average lows of 9°C in September, 6°C in October and a chilly 4°C in November. The average low temperatures for autumn are 17°C in September, 13°C in October and 10°C in November.

Autumn has more rain than summer in Galway with just 86mm of rain over 8 days in September and 110mm of rain over 10 days of precipitation in November. October is the wettest month in autumn which typically sees 130mm of rainfall over 10 average rainy days, so it’s recommended that visitors check the weather forecast and come prepared for moisture by bringing an umbrella and waterproof clothing.

Winter is typically the coldest season in Galway but temperatures tend to be above freezing with an average low of 2°C in December and February and a slightly warmer 3°C in January. The average high temperatures for winter are not overly warm at only 8°C from December to January and 9°C in February.

December is the wettest month of the year in Galway, receiving 131mm of rainfall over 10 days of precipitation. February also has 10 days of precipitation, but with a lesser 112mm of rainfall altogether. January has more rainy days (at 12 days of some rain) but with only 124mm of rain. Even on wet days, there are still things to do in Galway like visiting its shops and museums or relaxing in one of Galway’s spas.

Spring is when the weather begins to brighten up once more with an average high temperature of 10°C in March, 12°C in April and 16°C in May. The spring climate can still be rather cool at 3°C in March, 4°C in April and 7°C in May.

Normally, around 113mm of rain falls down on Galway over 12 days of precipitation in March. May is a drier time of year in Galway with only 71mm of rain over 8 days of precipitation. There is no such thing as April without some April showers in Ireland and Galway is no exception, with around 80mm of rainfall over 9 precipitation days.