London and rain go hand in hand - but that doesn’t mean your family day out has to be ruined!
Whether it’s a light drizzle or a proper downpour, there are plenty of fun indoor activities in London for kids that will keep everyone entertained, warm, and dry.

Here’s your ultimate guide to the best rainy day ideas for families in London 👇

🦕 1. Meet Dinosaurs at the Natural History Museum

Rainy day? Perfect excuse to head to one of London’s most iconic museums.
The Natural History Museum is packed with fascinating exhibits - from dinosaurs and volcanoes to space and gemstones.
Kids will love exploring the interactive zones and the enormous blue whale in the main hall.
💰 Free entry | South Kensington

🚀 2. Discover Science and Technology at the Science Museum

Just next door, the Science Museum offers hands-on learning for curious minds.
From space rockets to robots, it’s an adventure for all ages.
Make sure to visit the Wonderlab, where kids can experiment and see real science shows in action.
⚡️ A guaranteed hit on any rainy afternoon.

🏰 3. Explore London’s Past at the Museum of London

Step back in time and discover how London has changed through centuries - from the Roman era to modern life.
The Museum of London has kid-friendly exhibits, videos, and hands-on activities that bring history to life.
📍 Location: London Wall
💰 Free entry

🍫 4. Visit Hamleys Toy Store

Rainy days are made for play - and there’s no better place than Hamleys, the world’s most famous toy store.
Spread over seven floors, it’s full of games, demos, and magic tricks that keep kids smiling for hours.
🎲 Even if you don’t buy anything, it’s an experience on its own.

🎭 5. See a Family Show in the West End

Turn a grey day into a magical one!
Catch a West End musical that’s perfect for families - The Lion King, Frozen, or Matilda the Musical are timeless favourites.
🎟️ Book in advance for the best seats and prices.

🖼️ 6. Be Creative at the Tate Modern or the National Gallery

For budding artists, London’s art museums are fantastic rainy-day escapes.
At the Tate Modern, kids can explore large interactive installations.
At the National Gallery, families can pick up free activity trails to make art discovery fun and easy.
🎨 Free and inspiring for all ages.

🧩 7. Play Indoors at KidZania London

Located inside Westfield London (Shepherd’s Bush), KidZania is a mini city run by kids!
Children can try more than 50 real-life jobs - from pilot to firefighter - in a safe, interactive indoor world.
✈️ A full-day adventure under one roof.

🎬 8. Watch a Family Film or IMAX Experience

If you need something simple, head to one of London’s many cinemas.
The BFI IMAX in Waterloo offers the biggest screen in the UK - perfect for immersive 3D adventures.
🍿 Rain + popcorn = perfect combo.

🧁 9. Take an Afternoon Tea with a Twist

Turn your rainy afternoon into a treat with a family-friendly afternoon tea.
Many hotels and cafes offer themed teas for kids - like the Peter Pan Tea at Aqua Shard or Charlie and the Chocolate Factory Tea at One Aldwych.
☕️ A delicious way to enjoy London’s cozy side.

🌧️ 10. Visit SEA LIFE London Aquarium

Go underwater without getting wet!
At SEA LIFE London, you can walk through glass tunnels surrounded by sharks, rays, and turtles - an unforgettable indoor adventure.
🐠 Located near the London Eye.

💡 Final Tip

Rain in London is part of the charm - so embrace it!
Plan a mix of museums, cosy cafés, and short indoor stops. Bring an umbrella, comfy shoes, and let the day unfold naturally - the best family memories often come when plans change.