Average monthly hours of sunshine in Holtsville (NY)
The monthly total of sunhours over the year in Holtsville (New York State), the United States of America.
- On average, July is the sunniest month with 271 hours of sunshine.
- December has on average the lowest amount of sunshine with 141 hours.
- On average, the total annual amount of sun is 2540 hours.
Weather Forecasts for Holtsville (NY)
partly cloudy and no rain
partly cloudy and small chance of slight rain
broken clouds and no rain