January in Dublin: expect compromises
Hardest · 4.7/10Expect 6°C (43°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 7.8 hours of daylight to work around it.
That is 4.7/10 on the same scale — 8th of 12 months, versus 8.5/10 for the best month here.
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 packable rain layer.
If your dates are flexible, June is materially better in Dublin — 3.8 points higher on the same scale.
February in Dublin — off-season conditions
Hardest · 4.7/10Expect 7°C (45°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 77 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.5 hours of daylight to work around it.
That is 4.7/10 on the same scale — 9th of 12 months, versus 8.5/10 for the best month here.
Budget for 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 packable rain layer.
If your dates are flexible, June is materially better in Dublin — 3.8 points higher on the same scale.
March in Dublin — the hardest end of the year
Hardest · 4.7/10March averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 104 mm this is a genuinely wet month: about 2 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.7/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.
Figure on low-season pricing, with 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.
Flexible dates? June scores 3.8 points higher here — enough to change the trip.
April in Dublin — workable with trade-offs
Trade-offs · 6.3/10Expect 9°C (48°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 77 mm of rain this month — a flexible day or two helps — with about 11 days with 6+ hours of sunshine and 13.7 hours of daylight to work around it.
That is 6.3/10 on the same scale — 5th of 12 months, versus 8.5/10 for the best month here.
Budget for 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.
If your dates are flexible, June is materially better in Dublin — 2.2 points higher on the same scale.
May in Dublin: strong conditions, 2nd of 12
Good · 7.9/10May 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.
Rainfall runs 55 mm, so plan one flexible day in three; you still get about 18 days with 6+ hours of sunshine and 15.6 hours of daylight.
It scores 7.9/10 here, 2nd of 12 months, against 8.5/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
June in Dublin tops the year's climate scores
Best window · 8.5/10Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 58 mm of rain this month — a flexible day or two helps — with about 21 days with 6+ hours of sunshine and 16.7 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Dublin at 8.5/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and crowds are moderate. 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 packable rain layer.
July in Dublin: strong conditions, 3rd of 12
Good · 7.2/10Temperatures hover around 15°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
113 mm of rain signals a properly wet month, with only about 17 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 7.2/10 on the same scale — 3rd of 12 months, versus 8.5/10 for the best month here.
Budget for 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.
August holds up well in Dublin — 4th best month
Good · 7.1/10August averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 113 mm this is a genuinely wet month: about 15 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 7.1/10 here, 4th of 12 months, against 8.5/10 in the destination's best month.
Figure on peak pricing, with 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.
September in Dublin — middling scores, decent value
Trade-offs · 6.2/10September averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 108 mm this is a genuinely wet month: about 5 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.2/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.
Figure on mid-season pricing, with 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.
Flexible dates? June scores 2.3 points higher here — enough to change the trip.
October in Dublin — off-season conditions
Hardest · 4.9/10Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
124 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 4.9/10 on the same scale — 7th of 12 months, versus 8.5/10 for the best month here.
Budget for 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.
If your dates are flexible, June is materially better in Dublin — 3.6 points higher on the same scale.
November in Dublin — off-season conditions
Hardest · 4.6/10Expect 9°C (49°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 93 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.3 hours of daylight to work around it.
That is 4.6/10 on the same scale — 11th of 12 months, versus 8.5/10 for the best month here.
Budget for 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 packable rain layer.
If your dates are flexible, June is materially better in Dublin — 3.9 points higher on the same scale.
December in Dublin: expect compromises
Hardest · 3.4/10December averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 133 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 3.4/10 here, 12th of 12 months, against 8.5/10 in the destination's best month.
Plan for low-season pricing, with 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.
Flexible dates? June scores 5.1 points higher here — enough to change the trip.