January in Conwy — off-season conditions
Hardest · 4/10January averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 138 mm this is a genuinely wet month: about 9 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4/10 here, 11th of 12 months, against 8.6/10 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 4.6 points higher here — enough to change the trip.
February in Conwy: mixed conditions, plan around the weather
Trade-offs · 5.3/10February 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 12 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.3/10 here, 9th of 12 months, against 8.6/10 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 3.3 points higher here — enough to change the trip.
March in Conwy — workable with trade-offs
Trade-offs · 6.2/10Expect 8°C (46°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
102 mm of rain signals a properly wet month, with only about 19 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.2/10 on the same scale — 7th of 12 months, versus 8.6/10 for the best month here.
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 Conwy — 2.4 points higher on the same scale.
April in Conwy: strong conditions, 5th of 12
Good · 7.6/10April averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 71 mm, so plan one flexible day in three; you still get about 23 days with 6+ hours of sunshine and 14 hours of daylight.
It scores 7.6/10 here, 5th of 12 months, against 8.6/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
May in Conwy: strong conditions, 4th of 12
Good · 7.8/10Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 15.9 hours of daylight to work around it.
That is 7.8/10 on the same scale — 4th of 12 months, versus 8.6/10 for the best month here.
Budget for 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 Conwy — the year's strongest window
Best window · 8.6/10June 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 70 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 16.9 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Conwy at 8.6/10 — the reference point every other month on this page is measured against.
Plan for peak pricing, with 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 holds up well in Conwy — 3rd best month
Good · 8/10July averages 16°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 99 mm, so plan one flexible day in three; you still get about 25 days with 6+ hours of sunshine and 16.4 hours of daylight.
It scores 8/10 here, 3rd of 12 months, against 8.6/10 in the destination's best month.
Figure on peak pricing, with 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.
August holds up well in Conwy — 2nd best month
Good · 8.2/10Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 89 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 14.7 hours of daylight to work around it.
That is 8.2/10 on the same scale — 2nd of 12 months, versus 8.6/10 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 packable rain layer.
September holds up well in Conwy — 6th best month
Good · 7/10Temperatures hover around 15°C (59°F) — the kind of month where neither heat nor cold forces the schedule.
137 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7/10 on the same scale — 6th of 12 months, versus 8.6/10 for the best month here.
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.
If your dates are flexible, June is materially better in Conwy — 1.6 points higher on the same scale.
October in Conwy — workable with trade-offs
Trade-offs · 6.1/10October 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 133 mm this is a genuinely wet month: about 16 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.1/10 here, 8th of 12 months, against 8.6/10 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 proper rain shell rather than an umbrella.
Flexible dates? June scores 2.5 points higher here — enough to change the trip.
November in Conwy: expect compromises
Hardest · 4.7/10November averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 139 mm this is a genuinely wet month: about 9 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 8.6/10 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 3.9 points higher here — enough to change the trip.
December in Conwy — the hardest end of the year
Hardest · 3.7/10Expect 7°C (45°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
152 mm of rain signals a properly wet month, with only about 5 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 3.7/10 on the same scale — 12th of 12 months, versus 8.6/10 for the best month here.
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.
If your dates are flexible, June is materially better in Conwy — 4.9 points higher on the same scale.
