Whether it's meeting a dinosaur, star-gazing or watching a family show, you can be sure of a great day out, whatever the weather.
SEA LIFE London Aquarium
The SEA LIFE London Aquarium is home to some 500 species of aquatic life, from sharks and piranhas to Nemo-style clownfish. Don't miss the daily feeds and talks, where you see sharks and species usually found in coral reefs and rainforests enjoying their lunch. A much nicer way to surround yourself with water than being soaked outdoors!Find Prices
London has some of the world's best dedicated children's theatres, as well as other fantastic venues which host children's shows throughout the year. Creative, flamboyant, inclusive, educational and most of all fun: there's nothing quite like a trip to the theatre.
Do something different at Discover, a children's story-making centre in Stratford. You can dress up, explore a secret cave, and even visit a pirate ship! Aimed at families with children aged 0-11, it makes for a fantastic day indoors. And if the weather does pick up, you can head outdoors and explore the Story Garden.
Escape the rain by heading underground into the huge new London Dungeon beneath County Hall on the South Bank. Take a thrilling 90-minute tour of London's grisly history which includes live shows, underground rides and terrifying special effects. Screams guaranteed!Find Prices
London's most famous toyshop, Hamleys, is the perfect place to wile away a few hours. Its Regent Street store has seven floors to explore; full of arts and crafts, action toys and soft toys. Keep an eye out for demonstrations of cool new products and special events. Refuel in-store with a cake, milkshake or treats from the sweet shop.
Horniman Museum in South East London is packed full of exhibitions and activities about the cultural and natural world. Hear musical instruments from around the globe, gaze at a Fijian reef in the aquarium or follow a special gallery trail. The Horniman also holds special events, such as storytelling, puppet workshops, and arts and crafts.
Natural History Museum
Meet a life-sized blue whale, a roaring T-Rex and a gigantic crocodile; the Natural History Museum has something to keep all young visitors entertained. Delve into the Darwin Centre, get hands-on at Investigate – the science lab for 7-14 year olds – or get shaken up in the earthquake machine. Entry is free, some charges apply.
Ripley's Believe It or Not!
Explore the weird and wonderful at Ripley's Believe It or Not! in the heart of London's West End. Ripley's contains more than 700 artefacts that celebrate the beautiful and the bizarre. The London museum features a life-sized knitted Ferrari, an 8ft Transformer, a mirror maze and the Impossible Laser Race.
Part of the National Maritime Museum, the Royal Observatory is home to Greenwich Mean Time, the Meridian line and London's planetarium. There's plenty to do, after you've jumped between the eastern and the western hemispheres! Take in a planetarium show, see London's only public camera obscura, or visit the time galleries.
Science Museum IMAX
Snuggle down into your seat and wait for your eyes to boggle at the Science Museum's amazing 3D IMAX screen. Experience a rocket launch in Space Station, float with jellyfish in Deep Sea, or meet orphaned orangutans in Born To Be Wild! Caught in a sudden rain shower on the Southbank? Head to the BFI IMAX instead.
V&A Museum of Childhood
Escape the showers at the V&A Museum of Childhood. The collection includes rag dolls, teddy bears, board games, dolls' houses and more; some dating back to the 16th century. Parents can reminisce, while kids learn about the days before computers and battery-powered toys! There are free activities and tours every day.