Tokyo in July

We are heading over to Tokyo on July 14th. We have been to Tokyo twice before but during Spring Break (2019 and 2017). My wife and I are going over just to get my 10 year old son and his friend settled for their month long stay to study Japanese. We'll be there for 10 days.

Any ideas on some fun and interesting indoor places (with A/C) to visit? I know we'll have to deal with the hot, humid weather getting to/from the train station from our apartment. Also, how is the weather this summer so far?

If you've not yet been to the Edo Tokyo Museum I really recommend it. It is full of fascinating history and so well displayed and laid out. It's a modern building (interesting in its own right) so I reckon must have a/c, and it's only metres from a station so not far to walk in the heat.

Shinjuku is full of VR places (virtual reality) - this could be something for your son and his friend. Apart from that, check out some of the skyscrapers to get a great overview from above. Mori Tower was my favourite, it's in Roppongi Hills.

Hello welcome to Japan. You must have arrived here already and it’s very cool here this year so far. Lot of rain but not much heat.
Weather forecast says it will be hot from Thursday but nothing like it was last summer and temp remains about 31-32ish. Drink lots of water and have a rest early afternoon then you’ll be fine.

If your son is interested in science and technology, visit Miraikan in Odaiba where you can meet humanoid.
Railroad museum in Omiya and National Museum of Nature and Science in Ueno are also popular among kids at your son’s age. (I really loved NMNS when I was in elementary school.)

I guess it really depends on what you and the kids enjoy doing. We just got back from a visit to Japan including Tokyo. Since our 10 yo daughter is keen on anime, the Ghibli museum was a must and that didn't disappoint. A visit to Akhibara was more interesting for my 12 yo son - in particular one shop that had 4 floors of cards for sale (ie.. Pokemon, Magic the Gathering, etc) and a big highlight was the Super Potato World shop which sells lots of vintage gaming stuff and has a bunch of vintage arcade games on one of its floors. We had a lot of fun there. Take lots of 100 yen coins

The metropolitan government office in Shinjuku has great views of the city and is free to travel up.

There are also a few nice gardens around that are quite pleasant even on hot days. Shinjuku-gyoen was probably my favourite of the ones we visited in Tokyo. Yoyogi Park is also very nice.

Enjoy your trip. And how awesome for your son to be staying for a month of language learning!

Definitely second Miraikan. In fact, a whole day in Odaiba would well - I find it's a bit cooler there in general but you've got the big shopping centre and the Gundam base (who doesn't love an enormous robot?!) as well as Joypolis. That way you've got some more fun/eccentric moments as well as the science museum. Depending where you're staying, you could take one of the Leiji Matsumoto boats down the river to there/get home - takes a bit longer than the train but you'll be cool and it's extra sightseeing.

Not really kid friendly, but the kabukiza is also a good bet and easy enough to get day tickets if you plan. Check it out here - https://www.kabukiweb.net/news/2019/07/single_act_tickets_kabukiza_tokyo_july_2019.html - and pay attention to the schedule; they're very serious about it but the system worked like a dream for us.

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Hopefully it might give you some other ideas! Have a great time!

[ Edit: Sorry, no promos please. ]