What May feels like in Glasgow
For Glasgow, May is late spring on the calendar. Days are on the cool side, the kind of weather that suits brisk sightseeing. Little changes after sunset — nights are cold, only slightly below the daytime level. The air is damp, which makes cool temperatures feel colder, particularly in wind.
Rain in Glasgow in May
Rain is part of normal life this month, falling on about every other day. Each rainy day adds about 5.7 mm (0.2 in), a proper wetting rather than a sprinkle. Across the year Glasgow averages about 6.5 mm per rainy day, so May is typical. It is among the three driest months of the year.
Daylight and sunshine in May
Mid-month, Glasgow gets 16 h 14 min of daylight, from sunrise near 5:06 am to sunset near 9:20 pm. The days are stretching out — 2 h 7 min more daylight than mid-April. The sun is out for roughly 62% of those daylight hours, so there are plenty of bright spells.
How May compares to the rest of the year
Ranked by average high, May comes out as the 5th warmest month in Glasgow. Afternoons run 3.1°C (5.6°F) warmer than in April, with 23 mm more rain. June continues the upward trend. The next month's average high: 16.7°C (62.1°F).
Who May suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: less ideal — too cool to sit outside for long.
- Hiking: less ideal — trails are cool.
Tips for visiting Glasgow in May
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Light Jacket
Bring a sweater or light coat for cool afternoons.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Glasgow in May?
Expect around 14.4°C (57.9°F) in the afternoon and 6.7°C (44.1°F) at night, which most visitors would call cool.
Does it rain a lot in Glasgow in May?
It does: about 15 rainy days bring roughly 86 mm, so plan some indoor options.
What should I wear in Glasgow in May?
Based on the averages: rain protection, a light jacket and sunglasses. There is little need to change for the evening.
Is May or June better for visiting Glasgow?
May scores better on our climate ranking (#2 of 12 vs #3), rated Good against Good. June is warmer.