Galway
Ireland
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Galway, Ireland

January, the same as December, in Galway, Ireland, is another chilly winter month, with average temperature ranging between min 3.5°C (38.3°F) and max 8.7°C (47.7°F). January is the coldest month, with an average high-temperature of 8.7°C (47.7°F) and an average low-temperature of 3.5°C (38.3°F). Weather in January »
February, the last month of the winter, in Galway, is another chilly month, with temperature in the range of an average high of 9.1°C (48.4°F) and an average low of 3.8°C (38.8°F). In February, the average high-temperature is relatively the same as in January - a still chilly 9.1°C (48.4°F). Weather in February »

The first month of the spring, March, is a cool month in Galway, Ireland, with average temperature varying between 4.9°C (40.8°F) and 10.8°C (51.4°F). In March, the average high-temperature is almost the same as in February - a cool 10.8°C (51.4°F). Weather in March »

April in Galway, Ireland, is a moderate spring month, with temperature in the range of an average low of 5.8°C (42.4°F) and an average high of 13°C (55.4°F). In Galway, the average high-temperature is relatively the same as in March - a mild 13°C (55.4°F). Weather in April »

May, the last month of the spring, in Galway, is another mild month, with temperature in the range of an average high of 15.8°C (60.4°F) and an average low of 8°C (46.4°F). In Galway, the average high-temperature is essentially the same as in April - a still mild 15.8°C (60.4°F). Weather in May »

June, the first month of the summer, in Galway, is an enjoyable month, with average temperature varying between 17.8°C (64°F) and 10.6°C (51.1°F). In Galway, the average high-temperature in June is practically the same as in May - an enjoyable 17.8°C (64°F). Weather in June »

July in Galway, Ireland, is an agreeable summer month, with average temperature varying between 20.5°C (68.9°F) and 12.9°C (55.2°F). July is the warmest month, with an average high-temperature of 20.5°C (68.9°F) and an average low-temperature of 12.9°C (55.2°F). Weather in July »

August, the last month of the summer, in Galway, is another comfortable month, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 19.1°C (66.4°F). In August, the average high-temperature is almost the same as in July - a comfortable 19.1°C (66.4°F). Weather in August »

The first month of the autumn, September, is still a comfortable month in Galway, Ireland, with average temperature ranging between max 17.3°C (63.1°F) and min 10.4°C (50.7°F). In Galway, the average high-temperature is essentially the same as in August - a still comfortable 17.3°C (63.1°F). Weather in September »

October, the same as September, in Galway, Ireland, is a moderate autumn month, with temperature in the range of an average high of 14.1°C (57.4°F) and an average low of 7.9°C (46.2°F). In Galway, the average high-temperature marginally drops, from a comfortable 17.3°C (63.1°F) in September, to a moderate 14.1°C (57.4°F). Weather in October »

The last month of the autumn, November, is another cool month in Galway, Ireland, with average temperature ranging between min 5.1°C (41.2°F) and max 11°C (51.8°F). In November, the average high-temperature marginally drops, from a moderate 14.1°C (57.4°F) in October, to a fresh 11°C (51.8°F). Weather in November »

December, the first month of the winter, in Galway, is also a frosty month, with average temperature ranging between max 9°C (48.2°F) and min 3.6°C (38.5°F). In December, the average high-temperature is practically the same as in November - a frosty 9°C (48.2°F). Weather in December »

What is the coldest month in Galway?

January is the coldest month in Galway, with an average high-temperature of 8.7°C (47.7°F) and an average low-temperature of 3.5°C (38.3°F).

How much does it rain in Galway?

Throughout the year, there are 232 rainfall days, and 1156mm (45.5") of precipitation is accumulated.

When is the lowest UV index in Galway?

January and December, with an average maximum UV index of 0, are months with the lowest UV index.

What is the month with the coldest sea water in Galway?

The month with the coldest seawater in Galway, Ireland, is March, with an average sea temperature of 9.5°C (49.1°F).

What is the driest month in Galway?

April is the month with the least rainfall in Galway. Rain falls for 16 days and accumulates 61mm (2.4") of precipitation.

What month has the most sunshine in Galway?

The month with the most sunshine is May, with an average of 6h of sunshine.

When are the longest days in Galway?

June has the longest days of the year, with an average of 16.9h of daylight.

What are the months with the highest UV index in Galway?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Galway?

The warmest month is July, with an average high-temperature of 20.5°C (68.9°F) and an average low-temperature of 12.9°C (55.2°F).

What month is the sea warmest in Galway?

With an average sea temperature of 15.4°C (59.7°F), August is the month with the warmest seawater.

What is the wettest month in Galway?

The month with the most rainfall in Galway is October when the rain falls for 21 days and typically aggregates up to 130mm (5.1") of precipitation.

What is the month with the shortest days in Galway?

December has the shortest days of the year in Galway, Ireland, with an average of 7.6h of daylight.

What is the month with the least sunshine in Galway?

The month with the least sunshine in Galway, Ireland, is December, with an average of 1h of sunshine.
Average rainfall - Galway, Ireland
Average rainfall days - Galway, Ireland

Months with the highest number of rainy days are January and December (22 days).
Months with the lowest number of rainy days are April and July (16 days).

Average sea temperature - Galway, Ireland

The best month for swimming (with the highest average sea temperature) is August (15.4°C).
The coldest month (with the lowest average sea temperature) is March (9.5°C).

Average daylight / Average sunshine - Galway, Ireland