Annual average weather for Ireland

Search

Best
Best
Best
Best
Sea
11°
 
Sea
10°
 
Sea
10°
 
Sea
10°
 
Sea
11°
 
Sea
14°
 
Sea
16°
 
Sea
17°
 
Sea
16°
 
Sea
14°
 
Sea
12°
 
Sea
11°
 

Annual Average Weather for Ireland

The annual average maximum daily temperature is 14.1°C (57.4°F) which is a little too chilly for sunbathing. The annual average water temperature is typically 12.7°C (54.8°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. Annually there are on average 20.0 days of rain per month and 3.8 hours of sun per day.

When is the best time to visit Ireland?

The best months to visit Ireland are May, June, July, August, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between June and October when the sea temperature is above the average 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Can you sunbathe in Ireland year round?

No, you can't sunbathe in Ireland all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

Even during the warmest month, sunbathing may not be ideal as temperatures don't reach 20°C (72°F). The warmest month in Ireland is July when the average maximum temperature is 20°C (67°F), average temperature is 17°C (62°F) and average minimum temperature is 14°C (57°F).

More info about the annual temperatures and sunshine.

Can you swim in Ireland year round?

No, you can't swim in Ireland all year round.

The warmest sea water temperatures in Ireland are found in August when they peak at 17°C (62°F) and lowest in March when they dip to 10°C (50°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures

When is the hottest month in Ireland?

The hottest month in Ireland is July when the average maximum temperature is not that warm but sunbathing may be possible on some clear days 20°C (67°F), average temperature is 17°C (62°F) and average minimum temperature is 14°C (57°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Ireland?

The coolest month in Ireland is February when the average maximum temperature is 9°C (49°F), average temperature is 7°C (44°F) and average minimum temperature is 4°C (39°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Ireland?

The sunniest days in Ireland are in May which has the most hours of sunshine per day. In May the sunshine percentage is 41% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in Ireland?

December has the least sunshine. In December the sunshine percentage is 18.7% making it extremely gloomy and overcast with very little sunshine. There are only 1.5 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Ireland?

The driest month in Ireland is March with 1.8cm (0.7inches) of rain and September has the fewest days of rain with 13.5 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall

When is the wettest month in Ireland?

The wettest month in Ireland is April with 31.3cm (12.3inches) of rain and January has the most days of rain with 25.1 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Ireland?

The coldest sea water temperatures in Ireland are found in March when they dip to 10°C (50°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures.

When is the sea the warmest in Ireland?

The warmest sea water temperatures in Ireland are found in August when they peak at 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

More info about the annual sea temperatures.

When is the most humid month in Ireland?

The most humid month in Ireland is July with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in Ireland?

The least humid month in Ireland is February with a dew point of 6°C (43°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Ireland?

The most windy month in Ireland is February when the average maximum windspeed is 35KM/H (22MPH) and the average wind speed is 19KM/H (12MPH).

More info about the annual wind conditions.

Annual Temperature for Ireland

The hottest month in Ireland is July when the average maximum temperature is 20°C (67°F), average temperature is 17°C (62°F) and average minimum temperature is 14°C (57°F).

The coolest month in Ireland is February when the average maximum temperature is 9°C (9°F), average temperature is 7°C (44°F) and average minimum temperature is 4°C (39°F).

Annual Sunshine for Ireland

The longest days in Ireland are in June, with an average of 16.8 hours of daylight per day. December has the shortest days with an average of 7.7 hours of daylight per day.

The sunniest days in Ireland are in May which has the most hours of sunshine per day. The sunshine percentage is 41% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.4 hours of sunshine per day.

December has the least sunshine. The sunshine percentage is 18.7% making it extremely gloomy and overcast with very little sunshine. There are only 1.5 hours of sunshine per day.

The ultraviolet index is the highest in June when it reaches 7.3 and lowest in December when it reaches 0.5.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Ireland

The warmest sea water temperatures in Ireland are found in August when they peak at 17°C (62°F) and lowest in March when they dip to 10°C (50°F).

The sea is best for swimming between June and October when the temperature is above 13°C (55°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Annual Rainfall for Ireland

The wettest month in Ireland is April with 31.3cm (12.3inches) of rain and January has the most days of rain with 25.1 days with some rain, a very wet time to visit the beach.

The driest month in Ireland is March with 1.8cm (0.7inches) of rain and September has the fewest days of rain with 13.5 days with some rain, a pretty wet time to visit the beach.

Annual Humidity for Ireland

The most humid month in Ireland is July with a dew point (an indicator of humidity) of 15°C (59°F) which is comfortable for everyone.

The least humid month in Ireland is February with a dew point of 6°C (43°F) which is a bit dry for some.

Annual Wind Speed for Ireland

The most windy month in Ireland is February when the average maximum windspeed is 35KM/H (22MPH) and the average wind speed is 19KM/H (12MPH).

The least windy month in Ireland is June when the average maximum windspeed is 22KM/H (14MPH) and the average wind speed is 12KM/H (7MPH).

Best Beaches

PICK A MONTH FOR BEST BEACHES IN IRELAND

Monthly Averages

Suggested Beaches

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

Booking.com Search FlightsImage

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.