Glasgow weather by month

The best time to visit Glasgow is May to July — 86/100 in July, 19°C and 16 rainy days. The best season is summer, June to August (84/100 on average).

The worst month is December at 46/100 — cold, rainy, clean air. See December →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit United Kingdom →

Glasgow🇬🇧 United Kingdom · British Isles · City86
  1. 47Jan
  2. 53Feb
  3. 64Mar
  4. 74Apr
  5. 82May
  6. 85Jun
  7. 86Jul
  8. 81Aug
  9. 75Sep
  10. 63Oct
  11. 56Nov
  12. 46Dec

Best season: June to August (84/100 on average) · worst December (46/100)

Days
19°C
Nights
11°C
Wet days
16
Sun
9.2 h
Humidity
82%
Daylight
17 h
Glasgow, United Kingdom
Photo: Sonny Vermeer · Pexels

Glasgow, month by month

Comfort score out of 100 for the kind of trip Glasgow is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan47F7°C15 d3 hBusy1
Feb53D8°C16 d5 hBusy2
Mar64C10°C15 d6 hShoulder1
Apr74B12°C11 d9 hPeak1
May82A16°C13 d10 hPeak1
Jun85A18°C16 d10 hPeak2
Jul86A19°C16 d9 hPeak2
Aug81A19°C17 d9 hPeak2
Sep75B17°C15 d7 hShoulder2
Oct63C13°C17 d5 hPeak1
Nov56D9°C15 d4 hBusy1
Dec46F8°C17 d2 hPeak1

What's on in Glasgow through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

January
  • Celtic Connections15 Jan – 1 FebFestival
February
  • Glasgow Film Festival25 Feb – 8 MarFestival
April
  • Scottish Grand National at Ayr17–18 AprFestival
May
  • Scottish Cup Final at Hampden23 MayFestival
June
  • TRNSMT19–21 JunFestival
July
  • Merchant City Festival22 Jul – 3 Aug (usually)Festival
August
  • Piping Live and the Worlds9–15 AugFestival
September
  • Doors Open Days Festival17–20 SepFestival
  • Great Scottish Run4 OctFestival
November
  • Christmas lights and market15 Nov – 31 Dec (usually)Festival

Everything on in Glasgow through the year →

Crowds in Glasgow in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsMerchant City Festival, Summer holidays in United Kingdom, school holidays in 6 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Good to know before you go to Glasgow

Real experiences from travellers' own write-ups, quoted with a link to the original.

Safety

A safety guide to Glasgow is clear that the tourist areas, the West End, Merchant City, and the city center grid around Buchanan and Argyle Streets, are well-lit, well-policed, and genuinely safe, without exception. Their specific area warning: Possil and Springburn should be avoided entirely, day or night, due to ongoing gang-related activity, and their practical money tip for anyone heading beyond the city was not to assume smaller Scottish villages take cards, since being caught without cash for food or a room is a real risk outside the main cities.
Glasgow Tourism · Read the original ↗

Traveller notes on Glasgow

What people who have been say about the place — the year-round notes first, then month by month.

Glaswegians describe January honestly and in both directions. The bad version: "it can seem like you have spent the whole day encased in a flotation tank, it is so dark and dismal." The good version, from the same thread: "it can be really nice, although cold, some days with bright crisp days." The constraint either way is light — "it will not get light until after 8am and dark before 5pm," with one poster putting it at "more or less dark by 4pm" and about "6–7 hours of usable daylight." Snow and ice are possible but the city centre usually stays clear, because traffic volume keeps the streets from icing. Two upsides regulars offer: "there will be no midges," and bare trees give better views of the lochs from the road. Our record: 7.7 daylight hours, 3.1 hours of sun, 14 rain days.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗
Glasgow forum threads describe February as cold, wet and grey more often than not, with posters citing an average temperature around 3C and naming it probably the month most likely to bring snow to the city. Daylight was flagged as a real factor early in the month - sunrise around 8:15am and sunset near 4:45pm at the start of February, gaining roughly two more hours of daylight by the end. Despite the generally dreary reputation, posters were consistent that a full month gives real odds of catching some crisp, dry, sunny days in between the grey stretches, and several specifically recommended February and March as a strong season for Glasgow and West End gig-going, treating the weather as a reason to lean into indoor culture rather than a reason to skip the city.
WestEndGlasgowRegular · February · 1 month ago · Read more on Tripadvisor ↗
Regulars offer May as better odds rather than a promise: a fair share of dry, sunny days, longer light than almost any month, and fewer visitors than high summer - but it will rain at some point and nobody can say when or how much. It might be glorious and in the low twenties or cold, wet and windy. Our row sits at the sober end, 16.2C days feeling like 14C over 6.5C nights, with 71.7mm across 12.7 days. The compensation is 16.3 hours of daylight. Layers and a waterproof outer, as ever here. The record: humidity 77 percent, 10 hours of sun, a 17.9 kph wind and AQI 39.
BetterOddsNotAPromise · May · 1 month ago · Read more on Tripadvisor ↗
Glasgow-forum threads on June packing are blunt: the weather could be lovely and sunny or could be raining most of the time, and it can shift between the two within a few hours - bright sun, sleet, cloud and bright sun again, all in one afternoon. The standing kit is short and long sleeves both, a lightweight jacket plus a separate waterproof hooded rain jacket, waterproof boots (trainers mean cold wet feet), and a jumper with hat and gloves for anywhere windy. The record matches the unpredictable read more than any single forecast: 18.4C days, 9.6C nights, 93mm of rain across nearly sixteen days and ten hours of sun, against seventeen and a half hours of daylight to actually use between the showers.
WestEndLayersRegular · June · 1 month ago · Read more on Tripadvisor ↗
Glasgow's forum calls late June into July the best shot at cloudless, warm days — usually just a day or two at a time rather than a settled stretch. Regulars' standard packing list: a waterproof outer layer, a light fleece, and sun cream, since all three can genuinely be needed within the same week.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Regulars are candid that this is technically one of Scotland's warmest months yet still genuinely wet, and that the city itself sees more rain than the drier east side of the country - unpredictability that regulars say doesn't stop people coming and having a good time regardless. Our row backs the wet read directly, a real 105mm of rain across a striking 16.9 days, alongside mild warmth, 18.7C reading as 17C, over 10.6C nights. Humidity sits high at 83 percent, giving even a dry hour a damp, cool-feeling edge rather than a crisp one. Regulars' practical takeaway is to plan indoor backups for any single day rather than assume the warmest month means reliably dry. The record: 8.5 hours of sun, an 18.6 kph wind and one of the cleanest air readings in this project, AQI 29.
SupposedToBeTheWarmestMonthAndStillWet · August · 1 month ago · Read more on Tripadvisor ↗
Regulars describe genuinely opposite real experiences within the same month - one visitor's back two weeks were glorious with just a couple of showery days, another reported rain most days of their trip - and are consistent this marks the first real sign of autumn, capable of swinging between warm sunny stretches and pretty severe storms. Our row backs the cool, wet read, 16.7C over 8.4C nights feeling 7C, with a real 94.6mm of rain across 14.5 days. Regulars are reassuring on two fronts at least: it almost certainly won't snow and almost certainly won't exceed 30C, narrowing the real range even if the day-to-day outcome stays a genuine toss-up. The record: humidity 84 percent, 6.7 hours of sun, a 19.5 kph wind and one of the cleanest air readings in this project, AQI 31.
GloriousWeeksOrRainMostDaysBothReal · September · 1 month ago · Read more on Tripadvisor ↗

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