London weather in January 2026

January in London is cold, damp, and grey—the kind of month where you'll see your breath on the Tube and locals huddle under umbrellas at bus stops. Daytime highs average 7.6°C (46°F), while nights drop to 1.8°C (35°F), creating that bone-chilling dampness that feels colder than the thermometer suggests. You're looking at around 67.6mm of rain spread across roughly 13 rainy days, so waterproof gear isn't optional. Sunshine is rare—just 4.2 hours per day on average—meaning you'll chase whatever pale light emerges between noon and 3pm. Mornings are particularly grim: wet pavements, overcast skies, and the occasional frost that catches you off guard.

The city itself is quieter than summer, with fewer tourists clogging the major attractions. New Year's hangover has worn off by mid-January, so the West End theatres still draw crowds, but museums and galleries are genuinely peaceful. Prices drop noticeably—hotels and flights are cheaper, restaurants less packed—making it a solid choice for budget-conscious travellers. Londoners bundle up and get on with it; you'll see the city as locals actually use it, not as a theme park. The sales season runs through January, so Oxford Street and shopping districts buzz with bargain hunters.

Over the past decade, January temperatures have remained stable, holding around 7–8°C for highs. There's been a slight trend toward wetter Januaries in recent years, but 2026 aligns with the historical norm—expect consistent cold and damp rather than any dramatic swings. Frost is possible but not guaranteed.

January suits photographers (moody light, fewer crowds), culture enthusiasts (theatres and museums at their most relaxed), and anyone who actually enjoys winter without the alpine drama. Budget travellers will appreciate the lower prices. Avoid January only if you're chasing sunshine or warmth; if you can handle cold, wet days and don't mind wrapping up properly, you'll find a more authentic London in 2026.