Climate guide for Glasgow, United Kingdom

Glasgow in May

Weather, crowds & best time to visit

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May · United Kingdom

Best time to visit Glasgow in May Weather, crowds & prices

Weather in Glasgow in May

Average temperature 12°C, 96 mm of rain, about 22 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

7.5/10

Ranked #3 of 12 months

Full year for Glasgow
Avg temp
12°C
Rainfall
96 mm
Humidity
79%
Days with 6h+ sun
22
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Glasgow scores 7.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 12°C, 96 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.

Glasgow's Victorian grid holds Kelvingrove's collections, Merchant City murals, and a live-music scene that runs past midnight.

May holds up well in Glasgow — 3rd best month

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.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Figure on mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Glasgow in May?
In May, Glasgow averages 12°C, 96 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
Is May a good time to visit Glasgow?
May earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Glasgow in May?
Expect about 96 mm of rain in May. Average humidity is 79% and there are about 22 days with 6+ hours of sunshine.

Curated in Glasgow

Tickets & experiences

Things to do in Glasgow

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