Monthly weather forecast and climate
Galway, Ireland

Weather in January

January, like December, is another chilly winter month in Galway, Ireland, 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 »

Weather in February

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 Galway, the average high-temperature in February is relatively the same as in January - a still chilly 9.1°C (48.4°F). Weather in February »

Weather in March

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

Weather in April

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

Weather in May

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

Weather in June

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

Weather in July

July is an agreeable summer month in Galway, Ireland, with average temperature ranging between max 20.5°C (68.9°F) and min 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 »

Weather in August

August, the last month of the summer, in Galway, is another comfortable month, with average temperature ranging between min 12.5°C (54.5°F) and max 19.1°C (66.4°F). In Galway, the average high-temperature is essentially the same as in July - an enjoyable 19.1°C (66.4°F). Weather in August »

Weather in September

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

Weather in October

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

Weather in November

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

Weather in December

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

What is the coldest month in Galway?

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).

How many days does it rain in Galway?

In Galway, Ireland, during the entire year, the rain falls for 232 days and collects up to 1156mm (45.51") of precipitation.

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

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

What month is the sea coldest in Galway?

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

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?

With an average of 6h of sunshine, May has the most sunshine of the year in Galway, Ireland.

When are the longest days in Galway?

The month with the longest days is June, with an average of 16.9h of daylight.

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

Months with the highest UV index in Galway, Ireland, are June and July, with an average maximum UV index of 6.

What is the warmest month in Galway?

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

When is the sea warmest in Galway?

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

What is the rainiest month in Galway?

October is the month with the most rainfall. Rain falls for 21 days and accumulates 130mm (5.12") of precipitation.

What is the month with the shortest days in Galway?

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

What is the month with the least sunshine in Galway?

With an average of 1h of sunshine, December has the least sunshine of the year.

Average rainfall
Galway, Ireland

Average rainfall - Galway, Ireland

The wettest month (with the highest rainfall) is October (130mm).
The driest month (with the least rainfall) is April (61mm).

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Average rainfall days
Galway, Ireland

Average rainfall days - Galway, Ireland

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

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Average sea temperature
Galway, Ireland

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).

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Average daylight / Average sunshine
Galway, Ireland

Average daylight / Average sunshine - Galway, Ireland

The month with the longest days is June (Average daylight: 16.9h).
The month with the shortest days is December (Average daylight: 7.6h).

The month with the most sunshine is May (Average sunshine: 6h).
The month with the least sunshine is December (Average sunshine: 1h).

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