St Ives weather by month
United Kingdom

The best time to visit St Ives is June to August — 83/100 in July, 20°C and 11 rainy days. The best season is summer, June to August (81/100 on average).
The worst month is December at 34/100 — cold, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit United Kingdom →
St Ives, month by month
Comfort score out of 100 for the kind of trip St Ives 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.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 37 | F | 10°C | 17 d | 4 h | Busy | 2 |
| FebFebruary | 45 | F | 10°C | 16 d | 5 h | Busy | 3 |
| MarMarch | 55 | D | 11°C | 15 d | 8 h | Shoulder | 2 |
| AprApril | 72 | B | 13°C | 11 d | 10 h | Busy | — |
| MayMay | 76 | B | 16°C | 8 d | 11 h | Peak | 1 |
| JunJune | 79 | B | 18°C | 11 d | 12 h | Busy | — |
| JulJuly | 83 | A | 20°C | 11 d | 11 h | Peak | 1 |
| AugAugust | 81 | A | 19°C | 10 d | 10 h | Peak | 1 |
| SepSeptember | 67 | C | 18°C | 14 d | 8 h | Busy | 3 |
| OctOctober | 57 | D | 15°C | 15 d | 7 h | Busy | 1 |
| NovNovember | 42 | F | 12°C | 21 d | 5 h | Quiet | 2 |
| DecDecember | 34 | F | 11°C | 19 d | 4 h | Busy | 2 |
What's on in St Ives through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- February
- St Ives Feast and the Silver Ball4–11 Feb (usually)Festival
- May
- Food and Drink Festival15–17 MayFestival
- July
- English school holidays18 Jul – 1 SepHoliday
- September
- St Ives September Festival12–26 SepFestival
- Atlantic swell at Porthmeor15 Sep – 31 Mar (usually)Season
- November
- Out of season1 Nov – 1 Mar (usually)Closure
Crowds in St Ives 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 crowdsEnglish school holidays, Summer holidays in United Kingdom, school holidays in 6 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet