SeasonMapIsle of Wight (Newport IoW) weather by month
United Kingdom
The best time to visit Isle of Wight (Newport IoW) is June to August — 85/100 in August, 20°C and 7 rainy days. The best season is summer, June to August (83/100 on average).
The worst month is December at 38/100 — cold, rainy, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit United Kingdom →
Isle of Wight, month by month
Comfort score out of 100 for the kind of trip Isle of Wight 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 | 40 | F | 9°C | 12 d | 4 h | Quiet | 3 |
| FebFebruary | 47 | F | 9°C | 11 d | 5 h | Busy | 3 |
| MarMarch | 57 | D | 10°C | 10 d | 7 h | Shoulder | 3 |
| AprApril | 73 | B | 13°C | 7 d | 10 h | Busy | — |
| MayMay | 77 | B | 16°C | 8 d | 12 h | Busy | — |
| JunJune | 81 | A | 19°C | 7 d | 12 h | Peak | 2 |
| JulJuly | 83 | A | 20°C | 6 d | 12 h | Quiet | 3 |
| AugAugust | 85 | A | 20°C | 7 d | 11 h | Peak | 3 |
| SepSeptember | 75 | B | 19°C | 9 d | 9 h | Busy | 1 |
| OctOctober | 61 | C | 16°C | 12 d | 6 h | Busy | 3 |
| NovNovember | 50 | D | 12°C | 12 d | 5 h | Shoulder | 3 |
| DecDecember | 38 | F | 10°C | 13 d | 3 h | Busy | 3 |
What's on in Isle of Wight through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- June
- Isle of Wight Festival10–25 Jun (usually)Festival
- Round the Island Race20 Jun – 10 Jul (usually)Festival
- July
- Cowes Week28 Jul – 12 Aug (usually)Festival
- Summer ferry peak20 Jul – 1 SepSeason
- August
- Ventnor Fringe5–20 Aug (usually)Festival
- October
- Isle of Wight Walking Festival1–20 Oct (usually)Festival
- Isle of Wight Literary Festival5–15 Oct (usually)Festival
- Brent geese and winter waders1 Oct – 15 Mar (usually)Nature
- November
- Fossil hunting season1 Nov – 31 Mar (usually)Nature
- Attractions shut for winter1 Nov – 15 MarClosure
Crowds in Isle of Wight 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 crowdsSummer ferry peak, Cowes Week, Summer holidays in United Kingdom(estimated)
Peak crowdsBusyShoulder seasonQuiet