Weather in January
In Kilrush, Ireland, the average seawater temperature in January is 10.2°C (50.4°F). Note: To swim in 10.2°C (50.4°F) at less than 10°C (50°F), ensure you're well-protected. Weather in January »
Weather in February
The months with the coldest seawater in Kilrush, Ireland, are February and March, with an average sea temperature of 9.7°C (49.5°F). Note: With an efficient thermal swimsuit, one can navigate 9.7°C (49.5°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Weather in February »
Weather in March
February and March, with an average sea temperature of 9.7°C (49.5°F), are months with the coldest seawater in Kilrush, Ireland. Note: Swimming in 9.7°C (49.5°F) is considered life-threatening. Weather in March »
Weather in April
In Kilrush, Ireland, the average seawater temperature in April is 10.3°C (50.5°F). Note: To swim in 10.3°C (50.5°F) at less than 10°C (50°F), ensure you're well-protected. Weather in April »
Weather in May
In May, the average sea temperature in Kilrush, Ireland, is 11.6°C (52.9°F). Note: Caution: 11.6°C (52.9°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in May »
Weather in June
In Kilrush, Ireland, the average seawater temperature in June is 13°C (55.4°F). Note: In 13°C (55.4°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health. Weather in June »
Weather in July
In Kilrush, Ireland, in July, the average water temperature is 14.9°C (58.8°F). Note: Being in 14.9°C (58.8°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance. Weather in July »
Weather in August
With an average sea temperature of 15.8°C (60.4°F), August is the month with the warmest seawater in Kilrush, Ireland. Note: For most, swimming in 15.8°C (60.4°F) is not an enjoyable activity. Weather in August »
Weather in September
In Kilrush, Ireland, the average seawater temperature in September is 15.1°C (59.2°F). Note: Most people do not find swimming enjoyable in water of 15.1°C (59.2°F). Weather in September »
Weather in October
In Kilrush, Ireland, in October, the average water temperature is 13.8°C (56.8°F). Note: Caution: 13.8°C (56.8°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in October »
Weather in November
In November, the average sea temperature in Kilrush, Ireland, is 12.6°C (54.7°F). Note: Caution: 12.6°C (54.7°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in November »
Weather in December
In Kilrush, Ireland, in December, the average water temperature is 11.2°C (52.2°F). Note: Swimming in 11.2°C (52.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in December »
[Resources]Frequently asked questions
When is the sea coldest in Kilrush?
The months with the coldest seawater are February and March, with an average sea temperature of 9.7°C (49.5°F).
When are the longest days in Kilrush?
June has the longest days of the year in Kilrush, with an average of 16h and 48min of daylight.
What month is the sea warmest in Kilrush?
With an average sea temperature of 15.8°C (60.4°F), August is the month with the warmest seawater.
When is Daylight Saving Time (DST) in Kilrush?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Kilrush, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.
What is the month with the shortest days in Kilrush?
December has the shortest days of the year in Kilrush, Ireland, with an average of 7h and 42min of daylight.
Average sea temperature
Kilrush, Ireland
The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest months (with the lowest average sea temperature) are February and March (9.7°C).
Average daylight
Kilrush, Ireland
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
Kilrush, Ireland
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