Weather in Glasgow in May 2025
- May is usually the driest month of the year in Glasgow
Average weather
Average temperature in Glasgow in May
The expected average maximum temperature in May is +16°C with a maximum of +23°C and a minimum of +3°C.
The average maximum temperature goes up 30% by the end of the month, compared with the beginning of the month, from +16°C to +22°C.
Is Glasgow warm or cold in May?
Glasgow is typically mild in May.
Maximum temperatures go up compared to the previous month from +12°C to +15°C. The minimum temperature also goes up from +4°C to +7°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Glasgow:
Climate in Glasgow in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +12°C | +15°C | +17°C | ||||
| Min. temperature | ||||||
| -5°C | -3°C | 0°C | ||||
| Max. temperature | ||||||
| +24°C | +27°C | +31°C | ||||
| Rainfall | ||||||
| 68 mm | 77 mm | 80 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 75% | 74% | 76% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 2 | ||||
| Cloudy days | ||||||
| 9 | 8 | 8 | ||||
| Rainy days | ||||||
| 18 | 19 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +12°C to +15°C during the day. Prepare for more rain. Average rainfall goes from 68 mm to 77 mm. It feels drier, as humidity decreases from 75% to 74%. Winds are calmer in comparison to April, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Glasgow is gradually increasing during May, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last May in Glasgow?
Climate Change over Years
The climate in Glasgow in May has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+11°C) and the highest in 2022 (+13°C). The driest year was 2001 with only 882 mm of rainfall, and the wettest year was 2022 with 1696 mm.
FAQ
Is May a good time to visit Glasgow?
Can you sunbathe in Glasgow in May?
Is Glasgow rainy in May?
Is it sunny in Glasgow in May?
Other cities in United Kingdom
Monthly weather in Glasgow
Source of the data
For this page, we’ve looked at the typical weather in Glasgow, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.