Monthly weather forecast and climate
Dundalk, Ireland

Weather in January

January, the same as December, in Dundalk, Ireland, is a frosty winter month, with average temperature ranging between max 6.8°C (44.2°F) and min 2.2°C (36°F). With an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.2°C (36°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Dundalk, Ireland, with temperature in the range of an average low of 2.3°C (36.1°F) and an average high of 7.2°C (45°F). In February, the average high-temperature is essentially the same as in January - a still frosty 7.2°C (45°F). Weather in February »

Weather in March

The first month of the spring, March, is still a chilly month in Dundalk, Ireland, with average temperature varying between 8.8°C (47.8°F) and 2.5°C (36.5°F). In March, the average high-temperature is relatively the same as in February - a still chilly 8.8°C (47.8°F). Weather in March »

Weather in April

April is a fresh spring month in Dundalk, Ireland, with average temperature ranging between max 11.1°C (52°F) and min 4°C (39.2°F). In April, the average high-temperature is essentially the same as in March - a fresh 11.1°C (52°F). Weather in April »

Weather in May

May, the last month of the spring, in Dundalk, is a mild month, with average temperature varying between 6.3°C (43.3°F) and 13.5°C (56.3°F). In Dundalk, the average high-temperature is essentially the same as in April - a mild 13.5°C (56.3°F). Weather in May »

Weather in June

June, the first month of the summer, in Dundalk, is a comfortable month, with average temperature ranging between min 8.8°C (47.8°F) and max 16.2°C (61.2°F). In June, the average high-temperature is relatively the same as in May - an enjoyable 16.2°C (61.2°F). Weather in June »

Weather in July

July, like June, in Dundalk, Ireland, is another enjoyable summer month, with average temperature fluctuating between 17.3°C (63.1°F) and 10.7°C (51.3°F). July is the warmest month, with an average high-temperature of 17.3°C (63.1°F) and an average low-temperature of 10.7°C (51.3°F). Weather in July »

Weather in August

August, the last month of the summer, in Dundalk, is another comfortable month, with average temperature varying between 10.6°C (51.1°F) and 17°C (62.6°F). In Dundalk, the average high-temperature is almost the same as in July - a still comfortable 17°C (62.6°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a mild month in Dundalk, Ireland, with temperature in the range of an average high of 15.1°C (59.2°F) and an average low of 9°C (48.2°F). In Dundalk, the average high-temperature is essentially the same as in August - a mild 15.1°C (59.2°F). Weather in September »

Weather in October

October, like September, in Dundalk, Ireland, is a cool autumn month, with average temperature ranging between min 7.2°C (45°F) and max 12.5°C (54.5°F). In October, the average high-temperature is essentially the same as in September - a fresh 12.5°C (54.5°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Dundalk, Ireland, with average temperature fluctuating between 9°C (48.2°F) and 4.5°C (40.1°F). In November, the average high-temperature slightly decreases, from a fresh 12.5°C (54.5°F) in October, to a frosty 9°C (48.2°F). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Dundalk, Ireland, with average temperature fluctuating between 3°C (37.4°F) and 7.1°C (44.8°F). In December, the average high-temperature is practically the same as in November - a still frosty 7.1°C (44.8°F). Weather in December »
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FAQ

What is the coldest month in Dundalk?

The coldest month in Dundalk is January, with an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 2.2°C (36°F).

How much does it rain in Dundalk?

Throughout the year, in Dundalk, Ireland, there are 120.2 rainfall days, and 161mm (6.34") of precipitation is accumulated.

What is the driest month in Dundalk?

The month with the least rainfall is January when the rain falls for 8.6 days and typically collects 8mm (0.31") of precipitation.

When does it snow in Dundalk?

Months with snowfall in Dundalk are January through March and December.

How much does it snow in Dundalk?

In Dundalk, during the entire year, snow falls for 4.4 days, and aggregates up to 13mm (0.51") of snow.

When does it snow the most in Dundalk?

The month with the most snowfall in Dundalk, Ireland, is February when snow falls for 1.3 days and typically aggregates up to 6mm (0.24") of snow.

What is the month with the least sunshine in Dundalk?

February and October, with an average of 3.7h of sunshine, are months with the least sunshine.

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

With an average maximum UV index of 1, February is the month with the lowest UV index.

What are the least humid months in Dundalk?

March and April, with an average relative humidity of 85%, are the least humid months in Dundalk.

When it does not snow in Dundalk?

In Dundalk snow does not fall in April through November.

What is the wettest month in Dundalk?

June is the month with the most rainfall. Rain falls for 12.7 days and accumulates 21mm (0.83") of precipitation.

When are the longest days in Dundalk?

June has the longest days of the year, with an average of 17h of daylight.

What month has the most sunshine in Dundalk?

The month with the most sunshine is June, with an average of 6.7h of sunshine.

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

Months with the highest UV index are June and August, with an average maximum UV index of 4.

What is the warmest month in Dundalk?

July is the warmest month, with an average high-temperature of 17.3°C (63.1°F) and an average low-temperature of 10.7°C (51.3°F).

What is the most humid month in Dundalk?

December is the most humid month, with an average relative humidity of 91%.

What is the month with the shortest days in Dundalk?

With an average of 7.5h of daylight, December has the shortest days of the year in Dundalk, Ireland.

Average pressure
Dundalk, Ireland

Average pressure - Dundalk, Ireland

The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).

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Average wind speed
Dundalk, Ireland

Average wind speed - Dundalk, Ireland

The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).

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Average humidity
Dundalk, Ireland

Average humidity - Dundalk, Ireland

The month with the highest relative humidity is December (91%).
Months with the lowest relative humidity are March and April (85%).

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Average rainfall
Dundalk, Ireland

Average rainfall - Dundalk, Ireland

The wettest month (with the highest rainfall) is June (21mm).
The driest month (with the least rainfall) is January (8mm).

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Average rainfall days
Dundalk, Ireland

Average rainfall days - Dundalk, Ireland

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is September (7 days).

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Average snowfall
Dundalk, Ireland

Average snowfall - Dundalk, Ireland

The month with the highest snowfall is February (6mm).
Months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days
Dundalk, Ireland

Average snowfall days - Dundalk, Ireland

The month with the highest number of snowfall days is January (1.4 days).
Months with the least snowfall days are May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Dundalk, Ireland

Average daylight / Average sunshine - Dundalk, Ireland

The month with the longest days is June (Average daylight: 17h).
The month with the shortest days is December (Average daylight: 7.5h).

The month with the most sunshine is June (Average sunshine: 6.7h).
Months with the least sunshine are February and October (Average sunshine: 3.7).

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Average sunshine days
Dundalk, Ireland

Average sunshine days - Dundalk, Ireland

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (9.5 days).

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Average visibility
Dundalk, Ireland

Average visibility - Dundalk, Ireland

Months with the highest visibility are January, February, March, April, May, October, November and December (9km).
Months with the lowest visibility are June, July, August and September (8km).

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