Oban weather by month
The best time to visit Oban is May to July — 81/100 in June, 15°C and 19 rainy days. The best season is summer, June to August (78/100 on average).
The worst month is December at 35/100 — cold, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit United Kingdom →
Best season: June to August (78/100 on average) · worst December (35/100)
- Days
- 15°C
- Nights
- 10°C
- Wet days
- 19
- Sun
- 9.9 h
- Humidity
- 83%
- Daylight
- 18 h

Oban, month by month
Comfort score out of 100 for the kind of trip Oban 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.
What's on in Oban through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Oban in June
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 crowdstravelers describe it as peak season, Late-May half-term in United Kingdom, school holidays in 3 of the markets that fill it
Sourced from traveler notes: “…ndow for this part of Scotland: long daylight hours, before peak season crowds, and often the best weather odds of the year, even i…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Oban
What people who have been say about the place — the year-round notes first, then month by month.
Forum posters call May-June the best window for this part of Scotland: long daylight hours, before peak season crowds, and often the best weather odds of the year, even if the classic 'four seasons in a day' pattern (locals joke it's sometimes three in June alone) still applies. One poster recalled a June with 'wall to wall sunshine' breaking local heat records, though that's treated as a lucky outlier rather than the norm. June is also singled out as prime timing for the boat trips out to Mull, Iona and Staffa, since smaller seasonal ferry services are still running at full schedule before they wind down later in the year.
Forum posters describe December in Oban and the wider Scottish Highlands as cold, damp and short on daylight - on a cloudy, rainy day it can feel like it barely gets light at all. Posters are direct that this isn't the tourist season, with a number of B&Bs and smaller businesses closing for the winter while their owners take their own holiday. Posters visiting nearby islands warn that up to 16 hours of darkness calls for real wet-weather gear, patience for cold and wet conditions, and something to keep you entertained indoors. Posters do note Oban itself holds up better than more remote spots thanks to its shops, bars and restaurants offering somewhere to spend the long evening hours. Posters generally rate December as genuinely challenging weather-wise for Oban, workable as a town base even if outlying island day trips become more of a gamble.
Add your own note from Oban's card on the map.