Weather in Glasgow in June
United Kingdom · 20-year averages, June
Shoulder season. June is shoulder season in Glasgow — cheaper, quieter, and a genuine gamble. You should expect rain on 20 days of the month, which is more days wet than dry.
June ranks 3 of 12 in Glasgow. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain on 20 of the month's 30 days, 3 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Pack for 16.5 °C days and 9.7 °C nights; the spread matters more here than any single number.
What the averages hide
The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest June day reached 27.7 °C and the coldest night fell to 3.6 °C, and the wettest single day dropped 30 mm — roughly 28% of the month's rain in one day.
June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 173 mm against 55 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 106 mm average is a reasonable planning figure, not a promise.
Wind is light at 11.4 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 85%, high enough to notice on the warm days without dominating them.
How June sits in the year
Temperatures hold steady either side: 13.9 °C in May, 16.5 here, 18 in July. Nothing about the timing within the month matters much.
Daylight in June
June is at or near the longest days of Glasgow's year: 17.5 hours of daylight, gaining 0.4 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.
An inland climate
Despite being inland, the year stays fairly even: 16.1 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Busy. Popular without being frantic; book the things you care about, improvise the rest.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Glasgow versus nearby
If Glasgow is one option among several, the nearby comparison is worth making. Edinburgh is close enough to be a coin toss — within a degree on temperature, 4 days less rain. Manchester is a better bet in June — within a degree on temperature, 5 days less rain.
So: June is effectively as good as it gets here — 5 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.
Every month in Glasgow
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 5.7 | 2.1 | 21 | 137 | 95 | 7.6 | 19 |
| February | 6.1 | 1.9 | 17 | 102 | 94 | 9.6 | 24 |
| March | 7.8 | 2.6 | 17 | 94 | 91 | 11.7 | 31 |
| April | 10.8 | 4.3 | 16 | 76 | 87 | 14.1 | 44 |
| May | 13.9 | 6.7 | 18 | 92 | 84 | 16.2 | 49 |
| June | 16.5 | 9.7 | 20 | 106 | 85 | 17.5 | 54 |
| July | 18 | 11.3 | 22 | 122 | 86 | 17 | 59 |
| August | 17.6 | 11.1 | 22 | 137 | 88 | 15.2 | 57 |
| September | 15.5 | 9.5 | 18 | 106 | 90 | 12.9 | 53 |
| October | 12.1 | 7.1 | 20 | 143 | 92 | 10.6 | 40 |
| November | 8.5 | 4.5 | 20 | 134 | 94 | 8.3 | 28 |
| December | 6.2 | 2.6 | 20 | 131 | 95 | 7 | 21 |
See all twelve months in Glasgow, or where else to go in June.
Planning the rest of the trip
- Flight time to Glasgow how long you are actually in the air
- Glasgow time zone and the difference from home
- Days until your trip count down to the departure date