I've been to Israel too! I also found that it wasn't very dry, except for in the Negev, but it was so hot throughout, I wore my hair in a pony tail to keep it away from my face. Honestly, I would just bring your HGs because they will probably still work pretty well. Have a great time!
2c/2b with some 2a, coarse, dense, thick, low porosity
Growing out a CL bob. Currently at APL.
CG again as of 7/20/12

Cleanser: BRÖÖ Smoothing I.P.A. Shampoo
RO: Trader Joe's Nourish Spa Conditioner
LI: Kinky-Curly Knot Today
Styler: Beautiful Curls Gel for Wavy to Curly Hair

all-natural products, light moisture, humectants, argan oil
silk protein, synthetic ingredients, heavy oils/products, cowashing