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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the WordPatch weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
London’s weather is unpredictable yet mild, as the live forecast above shows. Rain can occur any month, so a light waterproof is essential. The warmest period runs from June to August, with average highs around 23°C, making it ideal for sightseeing. For today’s details, check the weather in London tomorrow on the live forecast.
When is the best time to visit London?
Late spring (May) and early autumn (September) offer pleasant temperatures and fewer crowds, with daytime highs typically between 18°C and 22°C. Summer brings the warmest weather but also peak tourist numbers and higher accommodation costs. Winter is cool and quieter, though days are short. Always pack layers and a waterproof – even a sunny morning can turn wet by afternoon. For a broader picture, see our UK weather hub.
What is London’s typical weather pattern?
London has a temperate maritime climate with rainfall fairly evenly spread across the year. Winters are cool (average lows around 2°C in January), while summers are warm but rarely hot. The city averages about 1,500 hours of sunshine annually. For a detailed outlook, check our 10 Day Weather Forecast UK – useful for planning the weather in London 10 days ahead. A London weather 14 days or 15 days forecast can indicate broad trends, but shorter-term forecasts are more reliable.
Does it rain every day in London?
No, but rain is frequent. London has about 106 rainy days per year – roughly one in three days sees measurable rainfall. Showers often pass quickly, so a waterproof jacket and umbrella are useful.
What is the coldest month?
January, with average lows around 2°C and occasional frost. Snowfall is rare, usually a few days per year, but when it happens transport can be disrupted. February is similarly cool.
What should I pack for a trip to London?
Layers are key – a T‑shirt under a jumper, plus a waterproof or windproof jacket. In summer, light clothing works, but always carry a rain layer. Comfortable walking shoes are essential for sightseeing.