Clifden (Connemara) weather in April
Ireland

April in Clifden: cool, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Clifden · #448 of 1383 destinations to visit in April · comfort 82/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Clifden in April
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Clifden climate normals — April
| Daytime high | 12°C / 53°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Sea temperature | 10°C / 50°F | 🥶 cold sea |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 14 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Clifden in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyEaster break in Ireland, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Clifden's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherClifden's weather peaks May–July.
Best weatherFair weatherToughest weather
What's on in Clifden in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Connemara walking season
15 Apr – 10 Oct · usuallyTrail seasonDiamond Hill in the national park, the Sky Road and the Twelve Bens are at their most reliable from mid-spring to early autumn. Outside that the bog paths hold water and the light runs out mid-afternoon. Source ↗
Nearby, and something's on
Within 300 km of Clifden — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Clifden?
Clifden in April — FAQ
- Is April a good time to visit Clifden?
- April in Clifden: cool, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Clifden on SeasonMap's comfort score (82/100).
- What is the weather like in Clifden in April?
- In April, Clifden averages a daily high of 11.9°C and a low of 6.9°C, with about 59.7 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Clifden in April?
- Clifden has a mean US Air Quality Index of about 42 in April.
Other months in Clifden
Compare Clifden in April
Warmer or cooler than Clifden in April
Similar destinations in Northern Europe — April
Within 300 km: Dingle's Blasket Islands boats around 1 Apr – 30 Sep, and Belfast's Belfast City Marathon around 28 Apr – 8 May.