Inverness (Loch Ness) weather in August

August in Inverness: nice, a little rain, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Inverness🇬🇧 United Kingdom · British Isles · City85
  1. 46Jan
  2. 54Feb
  3. 65Mar
  4. 73Apr
  5. 80May
  6. 84Jun
  7. 87Jul
  8. 85Aug
  9. 76Sep
  10. 63Oct
  11. 55Nov
  12. 45Dec

#2 of 12 months in Inverness · #466 of 1413 destinations to visit in August · comfort 85/100 (tier A)

Days
18°C
Nights
10°C
Wet days
15
Sun
8.9 h
Humidity
79%
Daylight
15 h
Inverness, United Kingdom
Photo: Sinitta Leunen · Pexels

Traveller notes on Inverness in August

August is peak midge season in the Highlands, and the Inverness forum's first point is that the town itself is one of the better places to be - coastal, urban and farmed, so far less affected than the moorland, forestry and lochside country around it, Loch Ness included. The west is worse than the east. Midges come out at dusk and dislike wind, so a breeze or a dry spell buys you the evening. If you are walking, the kit named is repellent, Skin So Soft or DEET, covering up, and a head net for sitting still. The weather is its own lottery: our row carries 70.8mm across 15 precipitation days, and regulars describe heavy rain one day and factor 50 the next. The record: 18.1C days that feel like 16C, 9.7C nights and 8.9 hours of sun.
CoastalTownUplandMidges · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Inverness

Regulars name this among the better months to visit specifically because it tends to run drier than July or August while midge numbers, still present early on, drop fast as the month progresses. Our row backs that cool, genuinely wet read, 15.9C over 7.6C nights feeling 5C, with 76.7mm of rain across 15 days and humidity at 81 percent. Regulars are consistent the first signs of autumn bring genuine unpredictability, glorious sunshine one stretch and fairly severe storms the next, though nothing worse than rain is realistic this early. Regulars are specific daylight noticeably shortens and temperatures cool further by the back half, worth factoring into an itinerary timed for the month's start. The sea sits at a cool 15.5C. The record: 7 hours of sun, an 18.3 kph wind and one of the cleanest air readings in this project, AQI 27.
MidgesFadeFastAsTheMonthProgresses · September · 1 month ago · Read more on Tripadvisor ↗
Inverness-forum threads on May weather are consistent this is one of the better months of the year here, genuinely long daylight - close to 17 hours by month's end - and posters call the odds of a run of decent, mild days noticeably better than earlier in the spring. That said, regulars are quick to add the standing Highlands joke still applies: conditions can shift from mild to cool to overcast to a passing shower within the same morning, so a single-layer forecast is never quite reliable. The genuine upside repeated across threads is midge season hasn't properly started - the biting insects that plague the Highlands from June onward are largely absent in May, a real practical advantage for anyone planning to be outdoors near lochs or forest trails. Layers and a light waterproof remain standing advice regardless. The record: 14.8C days feeling like 12C, 5.5C nights, an 11.8C sea and 76 percent humidity.
LochNessMayRegular · May · 1 month ago · Read more on Tripadvisor ↗
Inverness-forum threads on January visits confirm it as the coldest month here, and posters are blunt that daylight itself is the bigger constraint than the cold - sightseeing hours run roughly nine to half past three, a genuinely short window to work around. Snow and ice do show up, enough that regulars recommend train travel over driving for anyone nervous about winter roads, though rain is called more likely than snow at lower elevations most winters. One poster sums up the real character of the month bluntly: it's not the cold that ruins a trip, it's the damp, dull days, though a clear, cold, sunny stretch does happen and makes being outdoors genuinely enjoyable when it does. Regulars are consistent that predicting which version of January a given week gets is essentially impossible. The record: 5.8C days feeling like 3C, 0.3C nights, 79mm across 13.9 days, 9.1cm of fresh snowfall, an 88 percent humidity and 2.6 hours of sun.
InvernessCastleJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗
July is peak midge season in the Highlands, and the most reassuring thing on the Inverness forum comes from people who live here: in the town itself they say they very rarely see them. Midges belong to the west coast and to still, damp air by water, so Loch Ness and the moor and forestry south of it are the problem, not the streets. The rules regulars give are simple - dawn and dusk are the bad hours, a breeze grounds them, and since about 4mph is enough and that is walking pace, they are barely an issue while you keep moving. On the weather they promise nothing: warm sun and a soaking can share a week. The record: 18.7C days, 10.5C nights, 15.1 precipitation days, 9.1 hours of sun inside 17.2 hours of daylight, AQI 25.
FourMilesAnHour · July · 1 month ago · Read more on tripadvisor.co.uk ↗

Add your own note from Inverness's card on the map.

Inverness climate normals — August

Daytime high18°C / 65°F😎 nice
Nighttime low10°C / 49°F
Feels like (high)16°C / 61°F
Sea temperature18°C / 64°F🧊 bracing
Rainfall71 mm / 2.8 in🌦 some rain
Rainy days15 days
Humidity79%💦 very humid
Dew point11°C / 51°F
Sunshine8.9 h/day
Daylight15.2 h
Wind17 km/h / 11 mph
Air quality (US AQI)26🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Inverness in August

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 crowdsBelladrum Tartan Heart, Summer holidays in United Kingdom, school holidays in 6 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Inverness's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherInverness's weather peaks June–August, best around July.

August includes Dolphins at Chanonry Point.

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Best weatherFair weatherToughest weather

What's on in Inverness in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Dolphins at Chanonry Point

    1 May – 30 Sep · usuallyWhale season

    The Moray Firth bottlenose pod feeds on the rising tide at the point across the water, half an hour from town. Go on the flood tide or you will see a beach.

  • Hazard

    Midge season

    25 May – 15 Sep · usuallyInsects & disease

    The town itself is mostly spared, but still, damp evenings along Loch Ness and in Glen Affric in July and August bring clouds of them. Pack repellent and a head net for anything off the pavement; a breeze keeps them down. Source ↗

  • Festival

    Belladrum Tartan Heart

    30 Jul – 1 AugMusic festivalCrowdedBook early

    A family-shaped music festival on an estate west of the city at the turn of July and August. It sells out early and it takes every spare bed in Inverness with it. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Inverness — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Inverness?

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Inverness in August — FAQ

Is August a good time to visit Inverness?
August in Inverness: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Inverness on SeasonMap's comfort score (85/100).
What is the weather like in Inverness in August?
In August, Inverness averages a daily high of 18.1°C and a low of 9.7°C, with about 70.8 mm of rain over roughly 15 rainy days.
What is the air quality in Inverness in August?
Inverness has a mean US Air Quality Index of about 26 in August.

Within 300 km: Aviemore's Ospreys at Loch Garten around 1 Apr – 31 Aug, and Fort William's Jacobite steam train season around 1 Jun – 23 Oct.