Historical weather data, all-time temperature records, and monthly climate averages for Shirley, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Shirley typically lands in that awkward shoulder season — expect a high around 54° and a low near 36°, with roughly a 4-in-10 chance of rain. The date has swung wildly over 32 years, from a balmy 76° in 2010 down to a bitter 25° low in 2016.
Shirley has seen the full extremes of a Long Island climate, from a scorching 101° in July 1999 to a brutal -7° in February 2015 — a 108-degree spread. The wettest single day on record dumped 6.87 inches on October 15, 2005, and a February 2013 snowstorm buried the area under 30.3 inches in a single event.
Peak summer in Shirley arrives mid-July, when average highs hit 84°, while late January is the coldest stretch at just 37°. The wettest stretch of the year is mid-December, averaging 1.33 inches per week — plan beach trips for July and August, and pack an umbrella if you're visiting in fall or early winter.