Hike the South West Coast Path
The South West Coast Path means breathtaking nature, kind people and delicious food everywhere you go. It is an unforgettable experience and you need to add it to your bucket list.
Glasgow Weather in May
Glasgow in May sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 7°C (45°F). Rainfall is fairly high this month at around 86 mm (3.4 in), so pack a rain jacket to stay dry.
Rainfall in Glasgow in May
Historically, May sees about 17 days of rain, with a monthly average of 86 mm (3.4 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Glasgow in May
Daytime temperatures in Glasgow reach 15°C (59°F) in May, dropping to 7°C (45°F) at night. Conditions are often most pleasant around the middle of the day. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Glasgow in May
The area enjoys a moderate level of sunlight, with around 188 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Glasgow Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Chance of Rain
55%
Precipitation
86 mm (3.4 in)
Rainy days
17 days
Humidity
68% *
Sunshine
188 hours *
Percentage Sunshine
37% *
* Data from: Glasgow, Scotland (10 KM, 6 Miles).
Glasgow Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Glasgow - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Glasgow typically stay consistent throughout May, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Glasgow in May
Browse day-by-day weather records for Glasgow spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Glasgow historical weather extremes in May
Based on weather observations in Glasgow between 1976 and 2026, these are the recorded extremes during May.
- On May 13, 1980, temperatures climbed to 26°C (79°F), marking the warmest May day on record.
- Glasgow experienced its chilliest May day on May 14, 1993, reaching only 5°C (41°F).
- The lowest overnight temperature recorded in May was -3°C (27°F) (May 5, 2012).
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Glasgow in May
The weather can be unpredictable in May, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Glasgow in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Glasgow 3-Day Forecast
More climate data for Glasgow
Temperature Rainfall Sunshine Humidity
See the full Glasgow climate overview or explore weather in the United Kingdom.
Popular in May
Where to go in May - average daytime high across popular destinations.
London
18°C (64°F) Bath17°C (63°F) Manchester
17°C (63°F) York17°C (63°F) Torquay15°C (59°F) Glasgow15°C (59°F) Edinburgh15°C (59°F) Blackpool14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Hike the South West Coast Path
Welcome to Totnes, the hidden treasure of South Devon
Totnes is a place where historical richness fuses effortlessly with a vibrant alternative culture and breathtaking natural surroundings. The town pulses with an amazing community spirit that you'll feel around every corner.
London's coolest neighborhoods you'll want to visit
Discover the 6 coolest neighborhoods in London for your trip! Explore vibrant Shoreditch, lively Soho, alternative Camden, and many more.
10 cities you should definitely visit in the UK
Discover the top 10 most fun and alternative cities in the UK, rich in art, culture, and adventure. Explore vibrant neighborhoods and unique places.