May. The wet season lasts from early June to mid-October. The dry season can really be dry with April and May causing great stress to plantings.
New growth is in full swing with no rainfall to prevent wilting and dieback.
These two months are the most critical for supplementary watering. The summer wet season coincides with the hurricane season, when these tropical systems bring some of the rainy weather. Annual rainfall averages 50-65 inches over the southern peninsula. Inland areas typically receive 10-15 inches more rainfall than coastal areas. Storms build up over the central part of the state and generally move west toward the Gulf coast.