Climate guide for Galway, Ireland

Best Time to Visit
Galway

How to read the score (0–10)
05810
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About Galway

May-September is the sweet spot: watch street sessions, walk Salthill prom, and day-trip Cliffs of Moher. Soft days suit colour and music even when showers pass.

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Travel Tips

Latin Quarter Evenings
Street musicians fill Shop Street from late afternoon. Morning is better for a quieter walk to the Spanish Arch and Claddagh.
Buses to Cliffs & Connemara
Day tours and public buses reach Cliffs of Moher and Connemara; book returns in summer. The centre is walkable and bike-friendly.
Tour Pricing Reality
Cliff and Connemara day tours are the main paid experiences; city sights are largely free to wander. Pubs may have cover for big music nights.
Atlantic Rain Gear
Horizontal rain is real - waterproof jacket and trousers beat fashion coats. Soft-soled shoes handle wet stone lanes better than slick leather.

Things to do in Galway

Galway, Ireland. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Galway: the short answer

The best time to visit Galway is May, followed by June, September. Those months combine the most usable temperatures with the fewest lost days to rain: May averages 13°C with 79 mm of rain and about 25 sunny days. The months to avoid unless you have a specific reason are December, November. If budget matters more than perfect weather, November is the strongest of the low-rate months at 4.7/10.

Across the year Galway swings from 6°C in January to 16°C in August, a 9-degree spread, while rainfall ranges from 79 mm in May to 183 mm in October. That is the whole planning problem in one sentence: Galway is not equally good year-round, and the difference between the best and worst month here is 4.2 points on a 10-point scale.

Warmest month: August (16°C). Coolest: January (6°C). Driest: May (79 mm). Wettest: October (183 mm).

Galway month by month

January in Galway — the hardest end of the year

Hardest · 4.9/10

January averages 6°C (44°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 10 sunny days and 8.2 hours of daylight.

It scores 4.9/10 here, 10th of 12 months, against 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.

If your dates are flexible, May is materially better in Galway — 3.1 points higher on the same scale.

February in Galway — workable with trade-offs

Trade-offs · 5.1/10

February averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 113 mm this is a genuinely wet month: about 9 sunny days in total, and outdoor plans need an indoor fallback.

It scores 5.1/10 here, 9th of 12 months, against 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.

If your dates are flexible, May is materially better in Galway — 2.9 points higher on the same scale.

March in Galway — workable with trade-offs

Trade-offs · 5.4/10

March averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 143 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.

It scores 5.4/10 here, 8th of 12 months, against 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 proper rain shell rather than an umbrella.

If your dates are flexible, May is materially better in Galway — 2.6 points higher on the same scale.

April in Galway — workable with trade-offs

Trade-offs · 6.8/10

April averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 105 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.8/10 here, 6th of 12 months, against 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 proper rain shell rather than an umbrella.

May in Galway — the year's strongest window

Best window · 8/10

May 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 79 mm, so plan one flexible day in three; you still get about 25 sunny days and 15.9 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Galway at 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.

June in Galway — reliably good (2nd best month)

Good · 7.9/10

June 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 106 mm this is a genuinely wet month: about 22 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.9/10 here, 2nd of 12 months, against 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.

July in Galway — reliably good (4th best month)

Good · 7.5/10

July 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 125 mm this is a genuinely wet month: about 22 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.5/10 here, 4th of 12 months, against 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 proper rain shell rather than an umbrella.

August in Galway — reliably good (5th best month)

Good · 7.3/10

August 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 140 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.3/10 here, 5th of 12 months, against 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 proper rain shell rather than an umbrella.

September in Galway — reliably good (3rd best month)

Good · 7.6/10

September 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 100 mm, so plan one flexible day in three; you still get about 20 sunny days and 12.7 hours of daylight.

It scores 7.6/10 here, 3rd of 12 months, against 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 packable rain layer.

October in Galway — workable with trade-offs

Trade-offs · 5.5/10

October averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 183 mm this is a genuinely wet month: about 16 sunny days in total, and outdoor plans need an indoor fallback.

It scores 5.5/10 here, 7th of 12 months, against 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.

If your dates are flexible, May is materially better in Galway — 2.5 points higher on the same scale.

November in Galway — the hardest end of the year

Hardest · 4.7/10

November averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 136 mm this is a genuinely wet month: about 10 sunny days in total, and outdoor plans need an indoor fallback.

It scores 4.7/10 here, 11th of 12 months, against 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.

If your dates are flexible, May is materially better in Galway — 3.3 points higher on the same scale.

December in Galway — the hardest end of the year

Hardest · 3.8/10

December averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 154 mm this is a genuinely wet month: about 8 sunny days in total, and outdoor plans need an indoor fallback.

It scores 3.8/10 here, 12th of 12 months, against 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.

If your dates are flexible, May is materially better in Galway — 4.2 points higher on the same scale.

Frequently asked

When is the best time to visit Galway, Ireland?
In Ideal Weather mode, the best months to visit Galway are May. May is the single peak month with an Ideal Weather score of 8.0/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Galway year-round?
Galway has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 6°C in January to 16°C in August, with Ideal Weather scores between 3.8 and 8.0 out of 10.
Which months should I avoid in Galway?
The lowest Ideal Weather-scoring months in Galway are December (3.8/10), November (4.7/10), January (4.9/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Galway?
October is the wettest month in Galway, averaging about 183 mm of rainfall. May is the driest, at roughly 79 mm.
Which is the sunniest month in Galway?
May sees the most sun in Galway, with about 25 sunny days on average - ideal for outdoor plans.
Is Galway a good destination for sightseeing and cultural travel?
Galway is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (May) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Galway calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Galway: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for sightseeing and cultural travel.

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Curated in Galway

Tickets & experiences