SeasonMapClifden (Connemara) weather by month
Ireland
The best time to visit Clifden (Connemara) is May to July — 87/100 in May, 15°C and 13 rainy days. The best season is summer, June to August (83/100 on average).
The worst month is December at 54/100 — cold, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Ireland →
Clifden, month by month
Comfort score out of 100 for the kind of trip Clifden is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 58 | D | 9°C | 18 d | 4 h | Busy | 2 |
| FebFebruary | 60 | C | 9°C | 20 d | 5 h | Busy | 2 |
| MarMarch | 70 | B | 10°C | 17 d | 7 h | Busy | 2 |
| AprApril | 82 | A | 12°C | 14 d | 9 h | Busy | 1 |
| MayMay | 87 | A | 15°C | 13 d | 11 h | Busy | 2 |
| JunJune | 85 | A | 16°C | 16 d | 11 h | Busy | 2 |
| JulJuly | 84 | A | 17°C | 18 d | 10 h | Busy | 2 |
| AugAugust | 79 | B | 17°C | 20 d | 9 h | Peak | 3 |
| SepSeptember | 77 | B | 16°C | 18 d | 7 h | Shoulder | 3 |
| OctOctober | 67 | C | 13°C | 19 d | 6 h | Busy | 2 |
| NovNovember | 62 | C | 11°C | 19 d | 4 h | Shoulder | 2 |
| DecDecember | 54 | D | 10°C | 20 d | 3 h | Busy | 2 |
What's on in Clifden through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- April
- Connemara walking season15 Apr – 10 Oct (usually)Season
- May
- Midge season25 May – 15 Sep (usually)Season
- August
- Connemara Pony Show15–24 Aug (usually)Festival
- September
- Clifden Arts Festival17–27 SepFestival
- October
- Atlantic gale season15 Oct – 15 Mar (usually)Hazard
- November
- Winter shutdown1 Nov – 15 Mar (usually)Season
Crowds in Clifden in May
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.
Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet