Valentia Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Valentia Island.
Climate overview of Valentia Island
Valentia Island, Kerry, Ireland, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 18°C (64°F), while February is the coolest at 11°C (52°F).
The city has a wet climate, receiving around 1583 mm (62 in) of rainfall per year. December is the wettest month. The sunniest month is May, with 6.0 hours of sunshine per day on average.
Valentia Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Valentia Island - and find the best time to visit.
Monthly Temperature in Valentia Island
The weather in Valentia Island changes moderately throughout the year, offering enough variation to appreciate each season. On average, daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 11°C (52°F) in February.
Nighttime temperatures range from 14°C (57°F) in August to 6°C (43°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Valentia Island
Valentia Island has a relatively rainy climate with high precipitation levels, averaging 1583 mm (62 in) of rainfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 176 mm (6.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, June, still receives a respectable 98 mm (3.9 in) of rainfall. For more details, please visit our Valentia Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Valentia Island
In Valentia Island, summer days are longer and more sunny, with daily sunshine hours peaking at 6.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Valentia Island
The mean water temperature over the year ranges from 9°C (48°F) in March to 15°C (59°F) in July.
Water temperature over the year
Humidity in Valentia Island by Month
The relative humidity is high throughout the year in Valentia Island.
The city experiences its highest humidity in July, reaching 80%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Valentia Island
The mean wind speed varies between 4 m/s (8 knots) and 6 m/s (12 knots) throughout the year. It is lowest in June, July and August and highest during January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Valentia Island
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and August
- Warmest weather: July, August and September
- Most sunshine: May
- Fewest rainy days: April, May, June and July
Frequently asked questions about the climate in Valentia Island
What is the best time to visit Valentia Island?
May, June, July and August typically offer the most optimal weather in Valentia Island. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Valentia Island?
Daytime highs range from 11°C (52°F) in February to 18°C (64°F) in August. Nighttime lows range from 6°C (43°F) to 14°C (57°F).
How much rain does Valentia Island get?
Annual rainfall is around 1583 mm (62 in). December is the wettest month with 176 mm (6.9 in), while June is the driest with 98 mm (3.9 in).
How sunny is Valentia Island?
Valentia Island receives around 1,268 hours of sunshine per year. May is the sunniest month with 180 hours, while December is the cloudiest with just 40 hours.
Valentia Island 3-Day Forecast
Valentia Island on the map
Valentia Island is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Go to Dingle in Ireland
Dolphins, Whales and breathtaking views. The colorful fishing village Dingle in Ireland has it all and this town is a must for your bucket list.
An Irish adventure like no other in Killarney National Park
Head down to the South West part of the country, County Kerry, to the small town of Killarney. If you want to experience what Ireland is really all about
Horseback riding in Ireland
Ireland is the most ideal place in the world for horseback riding. Combine this with the most hospitable people you will ever encounter and you have an unforgettable dream trip to add to your bucket list.