Dundalk weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Poor
Best time to visit: April – June, August – September
What is the weather like in Dundalk in April?
In April, Dundalk is cool: daytime highs average 12 °C, and nights cool down to about 6 °C. The sea averages 9.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 57 mm in total. All in all, April is not an ideal month for a holiday in Dundalk.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 13 h 58 min06:27 – 20:25
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 68 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Dublin
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 20 %43 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Dundalk in April: quick answers
Is Dundalk hot in April?
No. In April, Dundalk is cool: daytime highs average 12 °C and nights drop to about 6 °C.
Can you swim in Dundalk in April?
Only if you don't mind cold water: in April the sea averages just 9.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Dundalk in April?
Rain is frequent, with about 12 rainy days and 57 mm in total.
Dundalk month by month
The whole year in DundalkAll destinations: IrelandWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences