Dalkey Weather & Climate: Best Time to Visit
Dalkey, Dublin County, Ireland, has a moderate seasonal temperature range, with August reaching 19°C (66°F) and February cooling to 9°C (48°F).
Dalkey sees a moderate amount of rainfall, totalling around 971 mm (38 in) per year. The most sunshine falls in May, with an average of 6.3 hours of daily sunshine.
Monthly Temperature in Dalkey
The climate in Dalkey experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 19°C (66°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like February.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 4°C (39°F) during February.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dalkey
Generally, Dalkey experiences moderate precipitation patterns, averaging 971 mm (38 in) yearly. Year-round, Dalkey has a balanced climate with minimal variation in precipitation. The difference between the wettest month, November, with 103 mm (4.1 in), and the driest month, March, with 67 mm (2.6 in), is minimal. For more details, please visit our Dalkey 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 Dalkey
Seasonal changes in sunshine hours are quite dramatic in Dalkey. While May receives considerable daily sunshine with up to 6.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.7 hours of sunlight per 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 Dalkey
The mean water temperature over the year ranges from 8°C (46°F) in March to 15°C (59°F) in August.
Water temperature over the year
Humidity in Dalkey by Month
The relative humidity is high throughout the year in Dalkey.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Dalkey
The mean wind speed over the year ranges from 4 m/s (8 knots) in May, June, July, August and September to 6 m/s (12 knots) in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Dalkey 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Dalkey
During June, July, August and September, Dalkey experiences its most favorable weather, with temperatures between 17°C (62°F) and 19°C (65°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 79 mm (3.1 in) and 83 mm (3.3 in). Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
