Monthly weather forecast and climate
Killarney, Ireland

Weather in January

January, the same as December, in Killarney, Ireland, is a frosty winter month, with average temperature ranging between max 8°C (46.4°F) and min 3°C (37.4°F). January and February, with an average high-temperature of 8°C (46.4°F), are the coldest months. Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Killarney, Ireland, with average temperature ranging between min 3°C (37.4°F) and max 8°C (46.4°F). January and February, with an average high-temperature of 8°C (46.4°F), are the coldest months. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Killarney, Ireland, with temperature in the range of an average low of 4°C (39.2°F) and an average high of 10°C (50°F). In Killarney, the average high-temperature in March is almost the same as in February - a cool 10°C (50°F). Weather in March »

Weather in April

April, the same as March, is another fresh spring month in Killarney, Ireland, with average temperature varying between 5°C (41°F) and 12°C (53.6°F). In April, the average high-temperature is practically the same as in March - a still cool 12°C (53.6°F). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Killarney, Ireland, with average temperature fluctuating between 14°C (57.2°F) and 7°C (44.6°F). In May, the average high-temperature is essentially the same as in April - a moderate 14°C (57.2°F). Weather in May »

Weather in June

June, the first month of the summer, in Killarney, is an enjoyable month, with temperature in the range of an average high of 17°C (62.6°F) and an average low of 10°C (50°F). In June, the average high-temperature marginally rises, from a mild 14°C (57.2°F) in May, to an enjoyable 17°C (62.6°F). Weather in June »

Weather in July

July, the same as June, is another enjoyable summer month in Killarney, Ireland, with average temperature fluctuating between 18°C (64.4°F) and 11°C (51.8°F). July and August, with an average high-temperature of 18°C (64.4°F), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another comfortable month in Killarney, Ireland, with average temperature varying between 18°C (64.4°F) and 11°C (51.8°F). July and August, with an average high-temperature of 18°C (64.4°F), are the warmest months. Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Killarney, Ireland, with temperature in the range of an average low of 10°C (50°F) and an average high of 16°C (60.8°F). In Killarney, the average high-temperature is relatively the same as in August - a still comfortable 16°C (60.8°F). Weather in September »

Weather in October

October, the same as September, in Killarney, Ireland, is another mild autumn month, with average temperature ranging between max 14°C (57.2°F) and min 8°C (46.4°F). In October, the average high-temperature is practically the same as in September - a mild 14°C (57.2°F). Weather in October »

Weather in November

November, the last month of the autumn, in Killarney, is also a fresh month, with average temperature varying between 10°C (50°F) and 5°C (41°F). In November, the average high-temperature slightly decreases, from a mild 14°C (57.2°F) in October, to a cool 10°C (50°F). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Killarney, Ireland, with average temperature fluctuating between 9°C (48.2°F) and 4°C (39.2°F). In December, the average high-temperature is practically the same as in November - a frosty 9°C (48.2°F). Weather in December »
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FAQ

What are the coldest months in Killarney?

January and February, with an average high-temperature of 8°C (46.4°F), are the coldest months.

How many days does it rain in Killarney?

Throughout the year, in Killarney, there are 235 rainfall days, and 1372mm (54.02") of precipitation is accumulated.

What month has the most sunshine in Killarney?

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

What is the driest month in Killarney?

The month with the least rainfall is June when the rain falls for 17 days and typically collects 74mm (2.91") of precipitation.

When are the longest days in Killarney?

The month with the longest days is June, with an average of 16.7h of daylight.

When is the highest UV index in Killarney?

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

What are the warmest months in Killarney?

July and August, with an average high-temperature of 18°C (64.4°F), are warmest months in Killarney.

What is the rainiest month in Killarney?

The month with the most rainfall in Killarney is December when the rain falls for 23 days and typically aggregates up to 166mm (6.54") of precipitation.

What is the month with the shortest days in Killarney?

December has the shortest days of the year, with an average of 7.8h of daylight.

What is the month with the least sunshine in Killarney?

The month with the least sunshine is December, with an average of 1h of sunshine.

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

With an average maximum UV index of 0, December is the month with the lowest UV index in Killarney.

Average rainfall
Killarney, Ireland

Average rainfall - Killarney, Ireland

The wettest month (with the highest rainfall) is December (166mm).
The driest month (with the least rainfall) is June (74mm).

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Average rainfall days
Killarney, Ireland

Average rainfall days - Killarney, Ireland

Months with the highest number of rainy days are January and December (23 days).
Months with the least rainy days are April and July (16 days).

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Average daylight / Average sunshine
Killarney, Ireland

Average daylight / Average sunshine - Killarney, Ireland

The month with the longest days is June (Average daylight: 16.7h).
The month with the shortest days is December (Average daylight: 7.8h).

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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