Monthly weather forecast and climate
Dublin, Ireland

The illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland
The illuminated Ha Penny Bridge reflected in the water below, in Dublin, Ireland

Weather in January

January, the same as December, in Dublin, Ireland, is another chilly winter month, with average temperature varying between 3.9°C (39°F) and 8.8°C (47.8°F). The coldest month is January, with an average high-temperature of 8.8°C (47.8°F) and an average low-temperature of 3.9°C (39°F). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Dublin, Ireland, with average temperature varying between 8.9°C (48°F) and 3.9°C (39°F). In Dublin, the average high-temperature is practically the same as in January - a still frosty 8.9°C (48°F). Weather in February »

Weather in March

March, the first month of the spring, in Dublin, is a fresh month, with average temperature fluctuating between 5.2°C (41.4°F) and 10.7°C (51.3°F). In March, the average high-temperature is almost the same as in February - a fresh 10.7°C (51.3°F). Weather in March »

Weather in April

April, the same as March, is a cool spring month in Dublin, Ireland, with temperature in the range of an average high of 12.4°C (54.3°F) and an average low of 6.4°C (43.5°F). In April, the average high-temperature is essentially the same as in March - a still fresh 12.4°C (54.3°F). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Dublin, Ireland, with average temperature fluctuating between 9°C (48.2°F) and 15.2°C (59.4°F). In Dublin, the average high-temperature is relatively the same as in April - a mild 15.2°C (59.4°F). Weather in May »

Weather in June

June, the first month of the summer, in Dublin, is a comfortable month, with temperature in the range of an average high of 18°C (64.4°F) and an average low of 11.6°C (52.9°F). In June, the average high-temperature is relatively the same as in May - an enjoyable 18°C (64.4°F). Weather in June »

Weather in July

July in Dublin, Ireland, is an agreeable summer month, with temperature in the range of an average high of 20.2°C (68.4°F) and an average low of 13.5°C (56.3°F). July is the warmest month, with an average high-temperature of 20.2°C (68.4°F) and an average low-temperature of 13.5°C (56.3°F). Weather in July »

Weather in August

The last month of the summer, August, is also an enjoyable month in Dublin, Ireland, with average temperature fluctuating between 19.6°C (67.3°F) and 13.3°C (55.9°F). In August, the average high-temperature is almost the same as in July - a comfortable 19.6°C (67.3°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Dublin, Ireland, with average temperature ranging between max 17.3°C (63.1°F) and min 11.4°C (52.5°F). In Dublin, the average high-temperature is essentially the same as in August - a still enjoyable 17.3°C (63.1°F). Weather in September »

Weather in October

October, like September, is another mild autumn month in Dublin, Ireland, with average temperature fluctuating between 14°C (57.2°F) and 8.8°C (47.8°F). In Dublin, the average high-temperature in October slightly decreases, from an enjoyable 17.3°C (63.1°F) in September, to a moderate 14°C (57.2°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Dublin, Ireland, with average temperature ranging between max 11°C (51.8°F) and min 6.2°C (43.2°F). In Dublin, the average high-temperature marginally drops, from a moderate 14°C (57.2°F) in October, to a cool 11°C (51.8°F). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Dublin, Ireland, with average temperature ranging between max 9.3°C (48.7°F) and min 4.5°C (40.1°F). In Dublin, the average high-temperature is essentially the same as in November - a chilly 9.3°C (48.7°F). Weather in December »
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FAQ

What is the coldest month in Dublin?

The coldest month in Dublin is January, with an average high-temperature of 8.8°C (47.8°F) and an average low-temperature of 3.9°C (39°F).

How many days does it rain in Dublin?

In Dublin, Ireland, during the entire year, the rain falls for 128 days and collects up to 714.4mm (28.13") of precipitation.

What is the month with the lowest UV index in Dublin?

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

What is the driest month in Dublin?

February is the month with the least rainfall in Dublin, Ireland. Rain falls for 10 days and accumulates 46.1mm (1.81") of precipitation.

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

The month with the coldest seawater in Dublin, Ireland, is March, with an average sea temperature of 8.4°C (47.1°F).

What month has the most sunshine in Dublin?

With an average of 6.3h of sunshine, May has the most sunshine of the year in Dublin.

When are the longest days in Dublin?

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

When is the highest UV index in Dublin?

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

What is the warmest month in Dublin?

With an average high-temperature of 20.2°C (68.4°F) and an average low-temperature of 13.5°C (56.3°F), July is the warmest month in Dublin.

When is the sea warmest in Dublin?

With an average sea temperature of 14.9°C (58.8°F), August is the month with the warmest seawater in Dublin.

What is the wettest month in Dublin?

The month with the most rainfall is October when the rain falls for 12 days and typically aggregates up to 76mm (2.99") of precipitation.

What is the month with the shortest days in Dublin?

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 Dublin?

December has the least sunshine of the year in Dublin, Ireland, with an average of 1.7h of sunshine.

Average temperature
Dublin, Ireland

Average temperature - Dublin, Ireland

The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (8.8°C).

The month with the highest average low temperature is July (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.9°C).

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Average rainfall
Dublin, Ireland

Average rainfall - Dublin, Ireland

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the least rainfall) is February (46.1mm).

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Average rainfall days
Dublin, Ireland

Average rainfall days - Dublin, Ireland

Months with the highest number of rainy days are January, October and December (12 days).
Months with the least rainy days are June and September (9 days).

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Average sea temperature
Dublin, Ireland

Average sea temperature - Dublin, Ireland

The best month for swimming (with the highest average sea temperature) is August (14.9°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

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Average daylight / Average sunshine
Dublin, Ireland

Average daylight / Average sunshine - Dublin, 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: 6.3h).
The month with the least sunshine is December (Average sunshine: 1.7h).

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