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 53/100), with August and June close behind. Glasgow averages about 1,306 hours of sunshine a year. Daytime highs around 18°C / 64°F and roughly 122 mm of rain in July.
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, 137 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 1,306 hours of sunshine a year. 53 Sunshine Score points separate July (53) from January (0), so the month you pick matters. It ranks #27 of 48 destinations in United Kingdom for annual sunshine, below the national median of 1,345 hours. The year's 1,380 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 |
|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | 2° / 36°F | 137 mm | 0 |
| February | 0 | 6° / 43°F | 2° / 36°F | 102 mm | 1 |
| March | 0 | 8° / 46°F | 3° / 37°F | 94 mm | 1 |
| April | 18 | 11° / 52°F | 4° / 39°F | 76 mm | 3 |
| May | 35 | 14° / 57°F | 7° / 45°F | 92 mm | 4 |
| June | 50 | 17° / 63°F | 10° / 50°F | 106 mm | 4 |
| July | 53 | 18° / 64°F | 12° / 54°F | 122 mm | 4 |
| August | 51 | 18° / 64°F | 11° / 52°F | 137 mm | 3 |
| September | 44 | 16° / 61°F | 10° / 50°F | 106 mm | 2 |
| October | 20 | 12° / 54°F | 7° / 45°F | 143 mm | 1 |
| November | 5 | 9° / 48°F | 5° / 41°F | 134 mm | 0 |
| December | 0 | 6° / 43°F | 3° / 37°F | 131 mm | 0 |
Nearest destinations
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Head-to-head
How Glasgow compares month by month: Glasgow vs Newcastle upon Tyne · Glasgow vs Edinburgh · Glasgow vs Belfast · Glasgow vs Aberdeen · all comparisons
Glasgow: questions and answers
What kind of destination is Glasgow?
Glasgow is a city break in United Kingdom with a oceanic / maritime climate.
How many hours of sunshine does Glasgow get a year?
Glasgow gets about 1,306 hours of sunshine a year, at its best around July.
When is the best time to visit Glasgow?
The sunniest time to visit Glasgow is July, when the Sunshine Score peaks at 53/100 (with August and June close behind). Expect daytime highs around 18°C / 64°F.
What is the least sunny month in Glasgow?
January is the least sunny month in Glasgow, scoring 0/100 with about 137 mm of rain.
How strong is the sun in Glasgow?
The typical midday UV index in Glasgow peaks around 4 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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