London weather in October
October in London: cool, rainy, with clean air — a good time to visit.
#8 of 12 months in London · #420 of 604 destinations to visit in October · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
London climate normals — October
| Daytime high | 15°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 107 mm / 4.2 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 5.6 h/day | |
| Daylight | 10.7 h | |
| Wind | 22 km/h / 13 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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London in October — FAQ
- Is October a good time to visit London?
- October in London: cool, rainy, with clean air — a good time to visit. It ranks #8 of 12 months for London on SeasonMap's comfort score (69/100).
- What is the weather like in London in October?
- In October, London averages a daily high of 15.4°C and a low of 9.2°C, with about 107.1 mm of rain over roughly 15.6 rainy days.
- What is the air quality in London in October?
- London has a mean US Air Quality Index of about 36 in October.