Glasgow weather

Our guide to the weather in Glasgow during May

13

Average high

4

UV Index

113mm

Monthly rainfall

83%

Humidity

We've looked at the most up-to-date weather data for Glasgow, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Glasgow weather in May.

What's the temperature like in Glasgow during May?

The temperature reaches around 13℃ during the daytime in May, falling away to 6℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Glasgow during May?

On average, there will be 9 rainy days during the month, amounting to 112.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Glasgow during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate air temperatures, any breeze will feel cool.

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Weather in Glasgow

Our month-by-month guide to the weather and climate in Glasgow

4.8

Glasgow weather in

January
5.9

Glasgow weather in

February
8.1

Glasgow weather in

March
10.9

Glasgow weather in

April
13.4

Glasgow weather in

May
16.3

Glasgow weather in

June
17.6

Glasgow weather in

July
16.9

Glasgow weather in

August
15.0

Glasgow weather in

September
11.8

Glasgow weather in

October
8.1

Glasgow weather in

November
5.4

Glasgow weather in

December