Yes, have been there in Feb. Weather in Jamaica in Feb.is usually good (dry). Using monthly weather stats, Feb. is the month with the least amount of rainfall.
But! Winter can be very breezy and the north side of the island seems to be worse than the west side. (Negril)

N Resort is very rustic and needs help. Don't expect a pleasure palace. If you don't expect much and want to be naked 24/7, it will suffice. Just lower your expectations before leaving and you won't be disapointed.