SeasonMapKeswick (Lake District) weather by month
United Kingdom
The best time to visit Keswick (Lake District) is May to July — 90/100 in May, 17°C and 13 rainy days. The best season is summer, June to August (86/100 on average).
The worst month is December at 53/100 — cold, soaked, clean air. See December →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit United Kingdom →
Keswick, month by month
Comfort score out of 100 for the kind of trip Keswick 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 | 56 | D | 8°C | 15 d | 3 h | Busy | 1 |
| FebFebruary | 61 | C | 8°C | 17 d | 5 h | Busy | 1 |
| MarMarch | 71 | B | 10°C | 16 d | 7 h | Shoulder | 1 |
| AprApril | 81 | A | 13°C | 12 d | 9 h | Busy | 1 |
| MayMay | 90 | S | 17°C | 13 d | 11 h | Peak | 2 |
| JunJune | 89 | A | 19°C | 16 d | 11 h | Busy | 1 |
| JulJuly | 87 | A | 20°C | 18 d | 10 h | Peak | 2 |
| AugAugust | 83 | A | 19°C | 18 d | 9 h | Peak | 2 |
| SepSeptember | 78 | B | 17°C | 18 d | 7 h | Busy | 2 |
| OctOctober | 68 | C | 14°C | 18 d | 5 h | Busy | 2 |
| NovNovember | 60 | C | 10°C | 17 d | 3 h | Quiet | 3 |
| DecDecember | 53 | D | 9°C | 19 d | 2 h | Peak | 2 |
What's on in Keswick through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- March
- Derwentwater launch season20 Mar – 1 Nov (usually)Season
- May
- Keswick Mountain Festival15–17 MayFestival
- July
- English school holidays18 Jul – 1 SepHoliday
- October
- Borrowdale in autumn5 Oct – 5 Nov (usually)Nature
- November
- Flood season1 Nov – 15 Feb (usually)Hazard
- December
- Keswick Victorian Fayre1–10 Dec (usually)Festival
Crowds in Keswick in May
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 crowdsKeswick Mountain Festival, Late-May half-term in United Kingdom, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet