January in Giant's Causeway — the hardest end of the year
Hardest · 3.8/10January averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 75 mm, so plan one flexible day in three; you still get about 0 sunny days and 7.5 hours of daylight.
It scores 3.8/10 here, 11th of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Giant's Causeway — 5 points higher on the same scale.
February in Giant's Causeway — the hardest end of the year
Hardest · 4.1/10February averages 6°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 84 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.3 hours of daylight.
It scores 4.1/10 here, 9th of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Giant's Causeway — 4.7 points higher on the same scale.
March in Giant's Causeway — the hardest end of the year
Hardest · 4.7/10March averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 100 mm, so plan one flexible day in three; you still get about 2 sunny days and 11.5 hours of daylight.
It scores 4.7/10 here, 8th of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Giant's Causeway — 4.1 points higher on the same scale.
April in Giant's Causeway — workable with trade-offs
Trade-offs · 6.7/10April averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 82 mm, so plan one flexible day in three; you still get about 12 sunny days and 13.8 hours of daylight.
It scores 6.7/10 here, 5th of 12 months, against 8.8/10 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.
If your dates are flexible, June is materially better in Giant's Causeway — 2.1 points higher on the same scale.
May in Giant's Causeway — reliably good (2nd best month)
Good · 8.2/10May averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 69 mm, so plan one flexible day in three; you still get about 18 sunny days and 15.9 hours of daylight.
It scores 8.2/10 here, 2nd of 12 months, against 8.8/10 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.
June in Giant's Causeway — the year's strongest window
Best window · 8.8/10June 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.
Rainfall runs 65 mm, so plan one flexible day in three; you still get about 22 sunny days and 17.1 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Giant's Causeway at 8.8/10 — 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.
July in Giant's Causeway — reliably good (3rd best month)
Good · 7.8/10July 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.
Rainfall runs 97 mm, so plan one flexible day in three; you still get about 17 sunny days and 16.6 hours of daylight.
It scores 7.8/10 here, 3rd of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
August in Giant's Causeway — reliably good (4th best month)
Good · 7.3/10August averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 87 mm, so plan one flexible day in three; you still get about 12 sunny days and 14.8 hours of daylight.
It scores 7.3/10 here, 4th of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Giant's Causeway — 1.5 points higher on the same scale.
September in Giant's Causeway — workable with trade-offs
Trade-offs · 5.9/10September averages 14°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 116 mm this is a genuinely wet month: about 4 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.9/10 here, 6th of 12 months, against 8.8/10 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, June is materially better in Giant's Causeway — 2.9 points higher on the same scale.
October in Giant's Causeway — the hardest end of the year
Hardest · 4.8/10October averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 119 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.8/10 here, 7th of 12 months, against 8.8/10 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, June is materially better in Giant's Causeway — 4 points higher on the same scale.
November in Giant's Causeway — the hardest end of the year
Hardest · 4.1/10November averages 9°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 98 mm, so plan one flexible day in three; you still get about 0 sunny days and 8 hours of daylight.
It scores 4.1/10 here, 10th of 12 months, against 8.8/10 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 packable rain layer, footwear you can get muddy.
If your dates are flexible, June is materially better in Giant's Causeway — 4.7 points higher on the same scale.
December in Giant's Causeway — the hardest end of the year
Hardest · 3.2/10December averages 6°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 122 mm this is a genuinely wet month: about 0 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.2/10 here, 12th of 12 months, against 8.8/10 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, June is materially better in Giant's Causeway — 5.6 points higher on the same scale.
