April (12th onwards) - Good
May - Filling up fast! 
The majority of dates for a 2 night stay in May are now full.
Limited availability on the 5th, 6th, 7th, 10th, 11th, 12th 13th, 16th, 17th, 19th, 21st, 27th, 28th
June - First week nearly full, reasonable for the remainder
July - Good, one or 2 days full
August - Good, one or 2 days full
September - Good, a few days full