Historical weather data, all-time temperature records, and monthly climate averages for Hampton Bays, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Hampton Bays runs cool, with an average high of just 53° and a low of 33° across 45 years of records. The date has seen a 51-degree swing in extremes — from a balmy 66° back in 1968 to a brutal 15° low as recently as 2016. There's about a 1-in-3 chance of rain today, though snow is essentially off the table.
Hampton Bays doesn't mess around at the extremes — this stretch of Long Island has logged a scorching 100° (June 2025) and a bone-chilling -15° (January 2009), a 115-degree range over 75 years of records. The wettest single day on record dropped 6.09 inches during an October 2005 storm, and a February 1958 snowstorm buried the area under 23.7 inches in one shot.
Summer is the clear sweet spot, with highs peaking around 81-82° during the third week of July — classic Hamptons beach weather. January is the coldest stretch, with average highs barely reaching 37-38°, though the ocean keeps things milder than inland areas. If you're planning around rain, avoid December, which is the wettest week of the year on average.