Definitely shut the water off at the meter. Leave faucets open so water has somewhere to go in case of freeze. We leave for a month or two at a time and take most of the precautions listed previously. If we were going to be gone any longer I would have the city turn off our water, which would also stop our trash pick up charges, etc., and any minimum payment they might require. There is often a turn-on fee, though, so weigh what you would save against what the city would charge to turn it back on. Also, our insurance company recently added an addendum to all their policies that if a house is vacant for more than 90 days, insurance coverage is adjusted. Can't remember off-hand but seems like it was cut to 50-percent of coverage. Worth looking into.
1998 Fleetwood Flair 25Y--P30 Chassis - KD5ALG
"When I was younger, I could remember anything, whether it had happened or not." - Mark Twain