Glasgow weather by month & the best time to visit
🇬🇧 United Kingdom · city break · oceanic / maritime climate
The best time to visit Glasgow is July — its sunniest month (Sunshine Score 55/100), with August and June close behind. Glasgow averages about 1,304 hours of sunshine a year. Daytime highs around 18°C / 64°F and roughly 111 mm of rain in July.
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- Sun hours / year
- 1,304
- Sunniest month
- July
- Peak score
- 55/100
- Rain / year
- 1,268 mm
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 15°C / 59°F
- Population
- 1.2M
- Elevation
- 16 m
When is the best time to visit Glasgow?
For sunshine, the best time to visit Glasgow is July, then August and June. The dullest month is January (0/100, 127 mm of rain). The full month-by-month picture is in the table below.
How sunny is Glasgow?
Glasgow isn't a sunny place by world standards: about 1,304 hours of sunshine a year. 55 Sunshine Score points separate July (55) from January (0), so the month you pick matters. It ranks #28 of 48 destinations in United Kingdom for annual sunshine, below the national median of 1,345 hours. The year's 1,268 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | 3° / 37°F | 127 mm | 0 | 9° / 48°F |
| February | 0 | 6° / 43°F | 3° / 37°F | 96 mm | 1 | 9° / 48°F |
| March | 0 | 8° / 46°F | 3° / 37°F | 86 mm | 1 | 9° / 48°F |
| April | 18 | 11° / 52°F | 5° / 41°F | 69 mm | 3 | 10° / 50°F |
| May | 36 | 14° / 57°F | 7° / 45°F | 81 mm | 4 | 13° / 55°F |
| June | 51 | 17° / 63°F | 10° / 50°F | 96 mm | 4 | 13° / 55°F |
| July | 55 | 18° / 64°F | 12° / 54°F | 111 mm | 4 | 15° / 59°F |
| August | 53 | 18° / 64°F | 12° / 54°F | 123 mm | 3 | 15° / 59°F |
| September | 45 | 16° / 61°F | 10° / 50°F | 99 mm | 2 | 15° / 59°F |
| October | 21 | 12° / 54°F | 8° / 46°F | 131 mm | 1 | 13° / 55°F |
| November | 5 | 9° / 48°F | 5° / 41°F | 124 mm | 0 | 12° / 54°F |
| December | 0 | 7° / 45°F | 4° / 39°F | 125 mm | 0 | 10° / 50°F |
Sea temperature in Glasgow by month
The sea off Glasgow is warmest in July at around 15°C / 59°F, and coolest in January at 9°C / 48°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Glasgow on the interactive sunshine globe →
Nearby places for sunshine
- Glasgow United Kingdom · 42 km · best in Jul · 1,306 h sun/yr
- Edinburgh United Kingdom · 90 km · best in Jul · 1,292 h sun/yr
- Belfast United Kingdom · 140 km · best in Jul · 1,263 h sun/yr
- Castletown Isle of Man · 158 km · best in Jul · 1,459 h sun/yr
- Newcastle upon Tyne United Kingdom · 190 km · best in Jul · 1,592 h sun/yr
- Inverness United Kingdom · 229 km · best in Jul · 1,074 h sun/yr
Nearest destinations
- Campbeltown United Kingdom · 70 km · 1,303 h sun/yr · best in Jul
- Isle of Islay, Argyll and Bute United Kingdom · 107 km · 1,329 h sun/yr · best in Jul
- Oban United Kingdom · 119 km · 1,046 h sun/yr · best in Jul
- Colonsay United Kingdom · 121 km · 1,375 h sun/yr · best in Jul
Put the Glasgow sunshine badge on your site
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