London weather in January
January in London: cold, a little rain, with clean air — a fair time to visit.
#11 of 12 months in London · #438 of 604 destinations to visit in January · comfort 55/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
London climate normals — January
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 35°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 53 mm / 2.1 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 88% | 💦 very humid |
| Dew point | 3°C / 37°F | |
| Sunshine | 3.8 h/day | |
| Daylight | 8.4 h | |
| Wind | 21 km/h / 13 mph | |
| Snowfall | 1.7 cm / 0.7 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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London in January — FAQ
- Is January a good time to visit London?
- January in London: cold, a little rain, with clean air — a fair time to visit. It ranks #11 of 12 months for London on SeasonMap's comfort score (55/100).
- What is the weather like in London in January?
- In January, London averages a daily high of 7.4°C and a low of 1.7°C, with about 52.5 mm of rain over roughly 10.6 rainy days.
- What is the air quality in London in January?
- London has a mean US Air Quality Index of about 35 in January.
- Does it snow in London in January?
- London sees roughly 1.7 cm of snowfall in January.