Historical weather data, all-time temperature records, and monthly climate averages for Seaford, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Seaford sits right in that transitional sweet spot — expect a high around 55° and a low near 40°, with just a 29% chance of rain and virtually no snow risk. The date has seen wild swings in 77 years of records, from a balmy 73° in 1988 down to a brutal 24° low in 1995.
Seaford knows extremes: the thermometer has hit 104° in July and bottomed out at -2° in January, a spread of over 100 degrees. On the precipitation side, Hurricane Ophelia dumped 8.05 inches in a single day in September 2023, and the January 2016 blizzard buried the area under 30.3 inches of snow.
Summer is the clear star here — highs peak around 83-85° in mid-July, making late July the wettest stretch too, averaging nearly an inch of rain per week. Winters are cold but not brutal, with January highs hovering around 38-39°. If you're planning a visit, May through September offers the warmest window, while January and February are best avoided for outdoor plans.