I agree. Just my opinion, I don't think it has anything to do with warm weather as much as it does with the virus just not being as bad as everyone thought it would be. I think New York is a specific case based on the nursing home issue and the demographics, along with the travel to and from the rest of the world.
Under 20% percentage of the overall COVID-19 deaths in NY are from nursing homes.
The total COVID-19 deaths in New York are above 24,788. The following report from the State of New York lists out all the deaths in nursing homes and care facilities as of May 3rd. The total confirmed and presumed deaths is 4,953 in this total. However New York is reporting the number of 4,813 for nursing homes today (probably leaving out care facilities)
https://www.health.ny.gov/statistics/diseases/covid-19/fatalities_nursing_home_acf.pdf