Have good walking shoes or sandals in summer as you probably walk a lot. Light summer clothing during the summer months as it is very hot and in case you travel in the winter be aware it can get very cold.
Photo Equipment: Obviously take a camera with you and if you have wide lens that can be useful for some temple architecture photos.
Miscellaneous: Get the Kyoto guide when getting to the city for the latest updates. (see image)
Luggage and bags:
Just a small backpack to carry your gloves and water and some gifts you bought from the different temples going back to your hotel room.
Clothing/Shoes/Weather Gear: Warm jackets, gloves and good pair of walking shoes if you are travelling in the winter of Fall season.
Toiletries and Medical Supplies: Water. Make sure to take your vitamins before heading out to the temples
Photo Equipment: Sony Cybershoot. Extra chip and make sure to charge your battery before heading out from your hotel.
Miscellaneous: Water is needed because there is a lot of walking needed to get into the many temples and shrines
Clothing/Shoes/Weather Gear: please wear shoes which are easy to take off and wear. You end up having to remove and put on yoru shoes each time you visit a temple or shrine as they don't allow footwear inside. It can get irritating when you go to a few temples in a day.
Dress for the seasons.
In winter, bring those duck-down jackets and scarfs, and gloves. It gets cold!!
In summer, bring singlet tops and jeans/shorts/cargos/skirts.
In Spring & Autumn, bring what you'd wear in summer but also a cardigan or light jacket/jearsey.
Always bring a small fold-up umbrella in your bag. It pours with rain with no warning some days!
Or else, you'll just find yourself buying one from the convienence stores anyway on a rainy day.
Toiletries and Medical Supplies: Ahhh! In summertime, the mosquitos bite and bite!
Bring mosquito repellent so that you won't be itchy for the whole trip! My friend from Korea visited us, and on her first night here, got bitten 10 times! And once on her eyelid! wow, now those are some hungry mosquitos!
Luggage and bags: If you'll be using public transport in Japan I'd advise that you limit your bags to several pieces which you can carry and manage on your own. The trains can be crowded so having to lug around extra bags can be difficult. The taxis in Japan aren't capable of holding too many bags in their trunk so taking this into consideration before you travel may save you some hassle.
Luggage and bags:
You will not find a lot of storage space so try to bring as little as possible and go shopping when you get there (if you are staying long).
Clothing/Shoes/Weather Gear: The summer is hot hot hot and muggy. You will want an umbrella (loads of rain) and a lot of lite clothing. Tanks are wonderful as there is not much to stick to you. The winter is cold and there is no central heating. You will want layers and some nice warm sweaters and winer jackets.
Toiletries and Medical Supplies: Japan is NOT well stocked in deoderant. if you choose to wear anything other than rol-on you will want to bring this with you. There are pharmacies and toiletry shops all over the place but they are a tad expensive.
*Girls will want to bring their own anti-fungals.
*It is a good idea to bring an emergency supply of ay medication you will need (incl. ASA. Acetamenophen or Ibuprofen).
It is very difficult to find any anti-histimines.
It is also a good idea to bring insect repellant and sunscreen.
Clothing/Shoes/Weather Gear: Yuo will need to walk a lot. So, get a pair of comfortable shoes. No platforms and high-heels. Sneakers or track shooes or good walking shows would be great. Do not bring "complicated" shoes as you will need to take off your shoes at some sights.
Bring an umbrella or poncho as it rains pretty often, especially during spring time. If not, you can buy unmbrella from any of the convenient stores when it rains.
Get one which can be folded as it is very cumbersome o bring around a big umbrellad which cannot be fitted into your bag.
Bring a correct adaptor plug if you want to get your laptop, mobile phone or digital camera charged. It is not easy to look for one in Japan. You can only find them at big departmental stores and they are sold at a hefty cost! The voltage is 100V in Japan. Bring a transformer if need be.
I bought it from Isetan JR for about 1100 Yen.
Miscellaneous: The bottled water is expensive in Japan so the running water always is a good option for saving money. The running water in Kyoto is clean and you can drink it directly. However, to me, there is a swimming-pool taste in the water. Here is the tip, you can put a bottle-full in fridge overnight then the taste will fade out in next morning.
Miscellaneous: Summertime in Japan is hot hot HOT! And Kyoto was no exception. I usually travel during spring and autumn so was caught by surprise by the heat. Plus all the walking I was doing in Kyoto, I caved in and got myself a huge paper fan for less than 500yen to fan myself with as I walked leisurely from place to place. Everyone's doing it so I actually dig being part of the crowd. :)
Kyoto is HOT and HUMID from June to August. Rainy season is about June 5 to July 15. Women usually don't go sleeveless or wear shorts, but short sleeves are OK. The local custom of carrying a parasol may seem quaint to you, but portable shade is great. Umbrellas run from super cheap (less than $3) to deluxe and compact, so you don't have to bring one. Fans (paper, silk, etc.) also make a nice souvenir. Winter (Dec. - Feb.) can be quite cold because many places won't have central heat...space heating is the rule. Bring warm socks for places like temples where you have to take off your shoes and wear slippers.
Toiletries and Medical Supplies: Most of what you need is readily available in Japan. Tampons are high quality, but if you're environmentally minded, ones without plastic parts are hard to find. Tissues are handed out in the streets by advertisers and you need them for toilet paper in train station and public rest rooms. Also, be environmentally cool and follow local custom: carry a small hand towel for drying your hands as paper towels are usually not available in restrooms.
Photo Equipment: This is photo heaven. You don't need to bring it from home.