January in Cliffs of Moher — the hardest end of the year
Hardest · 3.9/10January averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 102 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.9/10 here, 11th of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 4.5 points higher on the same scale.
February in Cliffs of Moher — the hardest end of the year
Hardest · 4/10February averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 124 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4/10 here, 9th of 12 months, against 8.4/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 4.4 points higher on the same scale.
March in Cliffs of Moher — the hardest end of the year
Hardest · 4.6/10March averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 137 mm this is a genuinely wet month: about 3 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.6/10 here, 7th of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 3.8 points higher on the same scale.
April in Cliffs of Moher — reliably good (5th best month)
Good · 7/10April averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 77 mm, so plan one flexible day in three; you still get about 12 sunny days and 13.7 hours of daylight.
It scores 7/10 here, 5th of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
May in Cliffs of Moher — the year's strongest window
Best window · 8.4/10May averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 66 mm, so plan one flexible day in three; you still get about 19 sunny days and 15.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Cliffs of Moher at 8.4/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
June in Cliffs of Moher — reliably good (2nd best month)
Good · 8.4/10June averages 14°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 90 mm, so plan one flexible day in three; you still get about 21 sunny days and 16.6 hours of daylight.
It scores 8.4/10 here, 2nd of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
July in Cliffs of Moher — reliably good (3rd best month)
Good · 7.7/10July averages 15°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 106 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.7/10 here, 3rd of 12 months, against 8.4/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
August in Cliffs of Moher — reliably good (4th best month)
Good · 7.7/10August averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 101 mm this is a genuinely wet month: about 16 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.7/10 here, 4th of 12 months, against 8.4/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
September in Cliffs of Moher — workable with trade-offs
Trade-offs · 6.3/10September averages 15°C (58°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 105 mm this is a genuinely wet month: about 6 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6.3/10 here, 6th of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 2.1 points higher on the same scale.
October in Cliffs of Moher — the hardest end of the year
Hardest · 4.6/10October averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 165 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.6/10 here, 8th of 12 months, against 8.4/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 3.8 points higher on the same scale.
November in Cliffs of Moher — the hardest end of the year
Hardest · 4/10November averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 144 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4/10 here, 10th of 12 months, against 8.4/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 4.4 points higher on the same scale.
December in Cliffs of Moher — the hardest end of the year
Hardest · 3.1/10December averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
216 mm of rain puts this in monsoon territory — about 0 sunny days across the whole month, and multi-day washouts are normal.
It scores 3.1/10 here, 12th of 12 months, against 8.4/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Cliffs of Moher — 5.3 points higher on the same scale.
