"A few months off...?" What does that MEAN?
Just kidding. Sure, in a lot of locales some folks don't get in the water for a while over the cold months. Same thing happens to me, so I just have to travel a bit farther to get underwater.
While I try to dive year round, I set the early spring for "updating". It goes something like this...
1) make sure all tanks are hydroed and inspected.
2) get regs maintained and serviced
3) Renew my DAN membership/insurance
4) Inspect fin straps, mask straps, wetsuit, gloves, etc...(although this is done on practically every dive outing)
5) Check batteries in computers, cameras, lights (again, though this is an ongoing process)
6) Step up the exercise regimen (I have a tendency to get into a rut during winter. Spring allows me to vary the routines with more outdoor activities. Many of which are good for diving.)
7) Renew acquaintances with folks I haven't dived with for a while. Always helps to have lots of diving friends to buddy up with!
8) Drool over magazines, catalogues, online travel agencies, and decide where some of the major trips are going to be for the coming year.
9) And this is the important one...PACK UP THE STUFF AND GO DIVING! Spring is a good time to brush up, sure, but that's something we should do on just about every dive trip we make. Practice that air sharing drill, work on buoyancy and trim, get good with that camera, etc... HAVE FUN with it!
That about covers it. It's not scientific, but it works for me!