Lucan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lucan.
Climate overview of Lucan
Temperatures in Lucan, Dublin County, Ireland, vary greatly throughout the year. July is the hottest month at 20°C (68°F), while January is the coldest at 9°C (48°F).
The city receives around 894 mm (35 in) of rainfall per year. It experiences pleasant summers and cold winters. November is the wettest month and March the driest. Sunshine peaks in May, when the city sees around 6.3 hours of sunshine per day.
Lucan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lucan - and find the best time to visit.
Monthly Temperature in Lucan
The climate in Lucan is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 20°C (68°F) in July to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Lucan
Generally, Lucan receives mid-range precipitation levels, with 894 mm (35 in) annually. The wettest period in Lucan occurs in November, which receives around 84 mm (3.3 in) of precipitation. During the driest month, March, Lucan experiences moderate rainfall, totaling 62 mm (2.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Lucan 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 Lucan
In Lucan, summer days are longer and more sunny, with daily sunshine hours peaking at 6.3 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 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 Lucan
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 Lucan by Month
The relative humidity is high throughout the year in Lucan.
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 Lucan
The average wind speed over the year ranges from 4 m/s (8 knots) to 6 m/s (12 knots). It is lower in May, June, July, August and September and higher in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Lucan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May and June
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Lucan
What is the best time to visit Lucan?
July and August typically offer the most optimal weather in Lucan. In contrast, January, February and December tend to have less optimal conditions. Lucan has pleasant summers and cold winters.
What temperatures can I expect in Lucan?
Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Lucan get?
Annual rainfall is around 894 mm (35 in). November is the wettest month with 84 mm (3.3 in), while March is the driest with 62 mm (2.4 in).
How sunny is Lucan?
Lucan receives around 1,432 hours of sunshine per year. May is the sunniest month with 188 hours, while December is the cloudiest with just 51 hours.
Lucan 3-Day Forecast
Lucan on the map
Lucan is highlighted - select any city to see its climate.
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