Climate guide for Glasgow, United Kingdom

Best Time to Visit
Glasgow

How to read the score (0–10)
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01 · United Kingdom

About Glasgow

The city grew on shipbuilding and trade, and that history shows in the sandstone warehouses, the Riverside Museum, and the Necropolis above the cathedral. Kelvingrove Art Gallery and the Burrell Collection give rainy hours somewhere to go, while the West End's lanes and the Merchant City cover food and nightlife. June brings the longest evenings; May through September is the wider stretch for parks, walking tours, and outdoor tables.

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Did you know?

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Travel Tips

01Museum Free Days & Hours
Kelvingrove, Riverside and the Burrell Collection are free but galleries sometimes close for maintenance - check morning opening times. Many attractions shut Mondays outside peak season.
02Subway & Day Tickets
The circular Subway is simple for West End and city centre; a day ticket pays off if you hop more than twice. Trains and buses use contactless - keep a backup card in case of network glitches.
03Mackintosh Tickets
The Mackintosh House and Hill House book out on weekends. Reserve online; same-day walk-ups are unreliable. Combine with a Glasgow School of Art exterior walk if interior tours are limited.
04Rain-Ready Layers
Atlantic weather changes hourly. Pack a waterproof shell even in summer and comfortable shoes for wet pavements. In busy pubs, leave umbrellas at the door.

Things to do in Glasgow

Glasgow, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Glasgow: the short answer

Plan Glasgow for June, with July, May close behind — the stretch with the most usable temperatures and the fewest lost days to rain: June averages 14°C with 76 mm of rain and about 23 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are December, January. If budget matters more than perfect weather, October is the strongest of the low-rate months at 5.2/10.

Across the year Glasgow swings from 5°C in January to 15°C in August, a 10-degree spread, while rainfall ranges from 76 mm in June to 156 mm in October. In short, Glasgow is not equally good year-round — the gap between its best and worst month is 5.2 points on the same 10-point scale.

Warmest month: August (15°C). Coolest: January (5°C). Driest: June (76 mm). Wettest: October (156 mm).

Glasgow month by month

January in Glasgow: expect compromises

Hardest · 4.3/10

Expect 5°C (40°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.

105 mm of rain signals a properly wet month, with only about 10 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 4.3/10 on the same scale — 11th of 12 months, versus 8.3/10 for the best month here.

Budget for 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 Glasgow — 4 points higher on the same scale.

February in Glasgow — the hardest end of the year

Hardest · 4.4/10

Expect 6°C (42°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.

129 mm of rain signals a properly wet month, with only about 10 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 4.4/10 on the same scale — 10th of 12 months, versus 8.3/10 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 Glasgow — 3.9 points higher on the same scale.

March in Glasgow — workable with trade-offs

Trade-offs · 6/10

March averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 92 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 11.9 hours of daylight.

It scores 6/10 here, 7th of 12 months, against 8.3/10 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.

Flexible dates? June scores 2.3 points higher here — enough to change the trip.

April in Glasgow — middling scores, decent value

Trade-offs · 6.8/10

Expect 8°C (46°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 83 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 14.2 hours of daylight to work around it.

That is 6.8/10 on the same scale — 6th of 12 months, versus 8.3/10 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 packable rain layer.

If your dates are flexible, June is materially better in Glasgow — 1.5 points higher on the same scale.

May holds up well in Glasgow — 3rd best month

Good · 7.5/10

May 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 96 mm, so plan one flexible day in three; you still get about 22 days with 6+ hours of sunshine and 16.3 hours of daylight.

It scores 7.5/10 here, 3rd of 12 months, against 8.3/10 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 packable rain layer.

June in Glasgow — the year's strongest window

Best window · 8.3/10

Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 76 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 17.5 hours of daylight to work around it.

On our climate-comfort scale this is the top-ranked month of the year for Glasgow at 8.3/10 — the reference point every other month on this page is measured against.

Budget for 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 Glasgow: strong conditions, 2nd of 12

Good · 7.7/10

Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.

112 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 7.7/10 on the same scale — 2nd of 12 months, versus 8.3/10 for the best month here.

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 Glasgow — reliably good (4th best month)

Good · 7.2/10

August 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.

Monthly rainfall reaches 138 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.2/10 here, 4th of 12 months, against 8.3/10 in the destination's best month.

Plan for 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 holds up well in Glasgow — 5th best month

Good · 7.2/10

September 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.

Monthly rainfall reaches 106 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.2/10 here, 5th of 12 months, against 8.3/10 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.

October in Glasgow: mixed conditions, plan around the weather

Trade-offs · 5.2/10

Expect 10°C (51°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.

156 mm of rain signals a properly wet month, with only about 13 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 5.2/10 on the same scale — 8th of 12 months, versus 8.3/10 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 Glasgow — 3.1 points higher on the same scale.

November in Glasgow — workable with trade-offs

Trade-offs · 5/10

Expect 7°C (44°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 86 mm of rain this month — a flexible day or two helps — with about 9 days with 6+ hours of sunshine and 8.3 hours of daylight to work around it.

That is 5/10 on the same scale — 9th of 12 months, versus 8.3/10 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 packable rain layer.

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

December in Glasgow: expect compromises

Hardest · 3.1/10

December averages 5°C (40°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 144 mm this is a genuinely wet month: about 4 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 3.1/10 here, 12th of 12 months, against 8.3/10 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 5.2 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit Glasgow, United Kingdom?
In Ideal Weather mode, the best months to visit Glasgow are June. June is the single peak month with an Ideal Weather score of 8.3/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Glasgow year-round?
Glasgow has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 5°C in January to 15°C in August, with Ideal Weather scores between 3.1 and 8.3 out of 10.
Which months should I avoid in Glasgow?
The lowest Ideal Weather-scoring months in Glasgow are December (3.1/10), January (4.3/10), February (4.4/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Glasgow?
October is the wettest month in Glasgow, averaging about 156 mm of rainfall. June is the driest, at roughly 76 mm.
Which is the sunniest month in Glasgow?
August sees the most sun in Glasgow, with about 24 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Glasgow a good destination for sightseeing and cultural travel?
Glasgow is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Glasgow calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Glasgow: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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Explore by month

Curated in Glasgow

Tickets & experiences