Best time to visit Glasgow
The best months to visit Glasgow are July, August and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
July, August and June score best for Glasgow weather:
- June18° / 9°CJune has long daylight, useful for West End evenings and Clyde walks despite showers.
- July19° / 11°CJuly is mild summer, with TRNSMT-style music weekends and rain gear still necessary.
- August19° / 10°CAugust stays mild and wet, so combine outdoor parks with Riverside and Burrell backups.
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By TripSapien Research · Updated May 20, 2026
Glasgow weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 7° | 1° | 155 | 18 | 7h |
| February | 8° | 1° | 125 | 15 | 9h |
| March | 9° | 2° | 110 | 15 | 11h |
| April | 12° | 4° | 75 | 13 | 14h |
| May | 15° | 6° | 70 | 12 | 16h |
| JuneBest weather | 18° | 9° | 80 | 13 | 17h |
| JulyBest weather | 19° | 11° | 90 | 13 | 17h |
| AugustBest weather | 19° | 10° | 105 | 14 | 15h |
| September | 17° | 9° | 110 | 14 | 12h |
| October | 13° | 6° | 135 | 17 | 10h |
| November | 10° | 3° | 145 | 18 | 8h |
| December | 7° | 1° | 160 | 18 | 7h |
Temperatures in °C. Long-term monthly averages.
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Glasgow month by month
January
Glasgow in January: 6.9°C high, 1.3°C low, 155mm rain over 18 days, 7.3h daylight. Cold and wet — bundle up, museum and pool weather.
February
Glasgow in February: 7.6°C high, 1.2°C low, 125mm rain over 15 days, 9.3h daylight. Mild but rainy — flexible plans pay off.
March
Glasgow in March: 9.4°C high, 2.1°C low, 110mm rain over 15 days, 11.4h daylight. Mild but rainy — flexible plans pay off.
April
Glasgow in April: 12.2°C high, 3.8°C low, 75mm rain over 13 days, 13.9h daylight. Mild but rainy — flexible plans pay off.
May
Glasgow in May: 15.3°C high, 6.2°C low, 70mm rain over 12 days, 16h daylight. Mild and dry — shoulder-season sweet spot.
JuneBest weather
Glasgow in June: 17.6°C high, 9.2°C low, 80mm rain over 13 days, 17.3h daylight. Mild but rainy — flexible plans pay off.
JulyBest weather
Glasgow in July: 19.2°C high, 10.9°C low, 90mm rain over 13 days, 16.7h daylight. Mild but rainy — flexible plans pay off.
Commonwealth Games
AugustBest weather
Glasgow in August: 18.8°C high, 10.4°C low, 105mm rain over 14 days, 14.8h daylight. Mild but rainy — flexible plans pay off.
Commonwealth Games
September
Glasgow in September: 16.5°C high, 8.7°C low, 110mm rain over 14 days, 12.4h daylight. Mild but rainy — flexible plans pay off.
October
Glasgow in October: 13°C high, 5.9°C low, 135mm rain over 17 days, 10.1h daylight. Mild but rainy — flexible plans pay off.
November
Glasgow in November: 9.5°C high, 3.2°C low, 145mm rain over 18 days, 7.9h daylight. Mild but rainy — flexible plans pay off.
December
Glasgow in December: 6.9°C high, 0.9°C low, 160mm rain over 18 days, 6.7h daylight. Cold and wet — bundle up, museum and pool weather.
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