London Weather Guide: What to Expect Throughout the Year

London's weather is famously unpredictable, but understanding seasonal patterns helps you plan ahead. This comprehensive guide covers everything from summer heatwaves to winter fog.

Spring (March–May)

Spring in London brings mild temperatures averaging 10–15°C. Expect a mix of sunny spells and April showers. Perfect weather for exploring Hyde Park and Kensington Gardens.

Summer (June–August)

London summers are warm but rarely scorching. Average highs reach 22–25°C, with occasional heatwaves pushing past 30°C. UV levels can be surprisingly high — always check our UV index before heading out.

Autumn (September–November)

Golden autumns with temperatures dropping from 18°C in September to around 8°C in November. Fog begins to appear, particularly in October and November.

Winter (December–February)

Mild by northern European standards, London winters average 3–7°C. Snow is rare but possible. The famous London fog, while less prevalent than in Victorian times, still makes appearances.