January in Belfast — workable with trade-offs
Trade-offs · 6/10January averages 5°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 44 mm of rain — occasional showers rather than washed-out days — alongside about 12 sunny days and 8 daylight hours.
It scores 6/10 here, 7th of 12 months, against 8.1/10 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.
If your dates are flexible, June is materially better in Belfast — 2.1 points higher on the same scale.
February in Belfast — workable with trade-offs
Trade-offs · 6/10February averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 62 mm, so plan one flexible day in three; you still get about 11 sunny days and 9.7 hours of daylight.
It scores 6/10 here, 8th of 12 months, against 8.1/10 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.
If your dates are flexible, June is materially better in Belfast — 2.1 points higher on the same scale.
March in Belfast — workable with trade-offs
Trade-offs · 6/10March averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 103 mm this is a genuinely wet month: about 18 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6/10 here, 9th of 12 months, against 8.1/10 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 proper rain shell rather than an umbrella.
If your dates are flexible, June is materially better in Belfast — 2.1 points higher on the same scale.
April in Belfast — workable with trade-offs
Trade-offs · 6.8/10April averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 89 mm, so plan one flexible day in three; you still get about 20 sunny days and 14.1 hours of daylight.
It scores 6.8/10 here, 6th of 12 months, against 8.1/10 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.
May in Belfast — reliably good (4th best month)
Good · 7.7/10May 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 84 mm, so plan one flexible day in three; you still get about 23 sunny days and 16.1 hours of daylight.
It scores 7.7/10 here, 4th of 12 months, against 8.1/10 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.
June in Belfast — the year's strongest window
Best window · 8.1/10June 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 87 mm, so plan one flexible day in three; you still get about 25 sunny days and 17.2 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Belfast at 8.1/10 — 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.
July in Belfast — 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.
At 107 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.8/10 here, 3rd of 12 months, against 8.1/10 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.
August in Belfast — reliably good (2nd best month)
Good · 7.9/10August 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.
At 100 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.9/10 here, 2nd of 12 months, against 8.1/10 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.
September in Belfast — reliably good (5th best month)
Good · 7.3/10September averages 13°C (56°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 20 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.3/10 here, 5th of 12 months, against 8.1/10 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.
October in Belfast — workable with trade-offs
Trade-offs · 6/10October averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 118 mm this is a genuinely wet month: about 14 sunny days in total, and outdoor plans need an indoor fallback.
It scores 6/10 here, 10th of 12 months, against 8.1/10 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 proper rain shell rather than an umbrella.
If your dates are flexible, June is materially better in Belfast — 2.1 points higher on the same scale.
November in Belfast — workable with trade-offs
Trade-offs · 5.6/10November averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 11 sunny days and 8.5 hours of daylight.
It scores 5.6/10 here, 11th of 12 months, against 8.1/10 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.
If your dates are flexible, June is materially better in Belfast — 2.5 points higher on the same scale.
December in Belfast — the hardest end of the year
Hardest · 4.2/10December averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 106 mm this is a genuinely wet month: about 6 sunny days in total, and outdoor plans need an indoor fallback.
It scores 4.2/10 here, 12th of 12 months, against 8.1/10 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.
If your dates are flexible, June is materially better in Belfast — 3.9 points higher on the same scale.
