Dún Laoghaire weather in November
Temperature, sea and sunshine in November: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in November
Poor
Best time to visit: April – September
What is the weather like in Dún Laoghaire in November?
In November, Dún Laoghaire is cool: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 12.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 13 rainy days and 80 mm in total. All in all, November is not an ideal month for a holiday in Dún Laoghaire.
November compared
How the weather changes from October to December. Tap a month to open it.
| OctoberOct | NovemberNov | DecemberDec | |
|---|---|---|---|
| Score | 9 | 8 | 8 |
| Day | 14° | 10° | 8° |
| Night | 9° | 7° | 5° |
| Sea | 14° | 12° | 11° |
| Sun | 3 h | 2 h | 2 h |
| Rain days | 13 | 13 | 12 |
More details for November
- Daylight
- 8 h 42 min07:48 – 16:31
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+0Europe/Dublin
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 20 %38 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in November
- A jumper for the evenings
- Rain jacket or umbrella
Dún Laoghaire in November: quick answers
Is Dún Laoghaire hot in November?
No. In November, Dún Laoghaire is cool: daytime highs average 10 °C and nights drop to about 7 °C.
Can you swim in Dún Laoghaire in November?
Only if you don't mind cold water: in November the sea averages just 12.3 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Dún Laoghaire in November?
Rain is frequent, with about 13 rainy days and 80 mm in total.
Dún Laoghaire month by month
The whole year in Dún LaoghaireAll destinations: IrelandWhere to go in NovemberSea temperature in November
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