Yes, you are likely going to need an adapter plug for Israel for your upcoming trip. You are going to want to get a specific adapter plug since Isreal has three types of plugs.
Israel uses 230V and 50Hz but that does not mean that typical European plugs will fit. You will find type C, type H, and type M plugs in Israel. In order to avoid any hassles, the best idea is to get an Israel adapter like this one that offers type H, type C, and type G.
If you want to get yourself one that will work in most places in the world, you can grab this popular universal adapter that offers type C (and E, F, and N) and G as well as type I and type A. It does not offer type H like the one above, but can be used in over 150 countries.
FAQ about Adapters for Israel
Not quite. While Israel uses 230V, you will likely come across type H, type G and type C plugs. Sometimes, the two prong European plug wil fit, but other times you will want a specific adapter plug for Israel. You can get one here
The United Kingdom uses the type G three-prong 230V plug. You will find some type G sockets in Israel, but you will also likely come across the type C (which is typical in Europe) as well as type H which is a three-pin, similar to the Europe 2 pin but just a tiny bit farther apart that sometimes the European 2 pin will not fit!
No, you will not be able to use type A and type B (the typical 2 and three-prong plugs used in North America) in Israel. You will need to get an adapter for Israel like this one
Absolutely! the biggest issue is going to be having the right plug to plug into the wall. Get yourself and adapter plug for Israel like this one that offers a USB plug for phones and other electronic devices.

More Israel Planning Resources
When planning your trip to Israel, there are plenty of things to keep in mind. You already know the best time to visit Israel by reading this post, but there is so much more information you can read before your trip.
If you are an avid photographer, have a read of the best places to take photos in Jerusalem and mistakes to avoid when planning a trip to Jerusalem.
You are going to want to enjoy some of Israel’s beaches. You can find a post on the best beaches in Israel here.
If shopping is on your list, do not miss this post on the best souvenirs from Israel. If you plan to visit the West Bank, I have a post on souvenirs from Palestine as well.
If you plan to visit neighboring Jordan, check out top things to do in Jordan, the best Jordan tours and the best time to visit Jordan to get you started.