SeasonMapSt Ives weather in August
United Kingdom
August in St Ives: nice, a little rain, with muggy air — one of the best months to visit.
#2 of 12 months in St Ives · #637 of 1383 destinations to visit in August · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on St Ives in August
St Ives's forum is candid that August weather is genuinely a coin flip — some years dry, warm and sunny throughout, others rain for most of the month, with plenty in between. Regulars are consistent that August is also peak season locally, rammed with school-holiday visitors regardless of what the sky is doing, and point to September as a calmer alternative with comparably decent weather odds.
Add your own note from St Ives's card on the map.
St Ives climate normals — August
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 58°F | |
| Feels like (high) | 18°C / 64°F | |
| Sea temperature | 17°C / 62°F | 🧊 bracing |
| Rainfall | 65 mm / 2.5 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 14°C / 56°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 14.4 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in St Ives 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 crowdstravelers describe it as peak season, English school holidays, Summer holidays in United Kingdom
Sourced from traveler notes: “…nty in between. Regulars are consistent that August is also peak season locally, rammed with school-holiday visitors regardless of…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet
Best months for St Ives'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 weatherSt Ives's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in St Ives in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
English school holidays
18 Jul – 1 SepCrowdedBook earlyThe town is medieval-narrow and takes the whole of August at once. Leave the car at the Lelant park-and-ride and take the branch line in; the drive down to the harbour is a mistake. Source ↗
Nearby, and something's on
Within 300 km of St Ives — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is St Ives?
St Ives in August — FAQ
- Is August a good time to visit St Ives?
- August in St Ives: nice, a little rain, with muggy air — one of the best months to visit. It ranks #2 of 12 months for St Ives on SeasonMap's comfort score (81/100).
- What is the weather like in St Ives in August?
- In August, St Ives averages a daily high of 19.4°C and a low of 14.2°C, with about 64.6 mm of rain over roughly 10.1 rainy days.
- What is the air quality in St Ives in August?
- St Ives has a mean US Air Quality Index of about 54 in August.
Other months in St Ives
Compare St Ives in August
Warmer or cooler than St Ives in August
Similar destinations in Northern Europe — August
Within 300 km: Bristol's Balloon Fiesta on 7–9 Aug, and Bath's Roman Baths open late on 1 Jul – 31 Aug.