Historical weather data, all-time temperature records, and monthly climate averages for Hauppauge, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Hauppauge typically lands in that awkward shoulder season — expect a high around 54° and a low near 37°, with roughly a 1-in-3 chance of rain. The date has swung wildly over 62 years of records, from a balmy 68° in 1988 down to a brutal 24° low in 1995.
Hauppauge's weather has real teeth at the extremes — the thermometer has hit 104° in July and plunged to -14° in February, a swing of 118 degrees across the historical record. Single-day rainfall can be staggering too: a storm in August 2014 dumped 13.51 inches, and a January 2022 nor'easter buried the area under 23.5 inches of snow.
Summer is the sweet spot, with highs peaking around 82-84° in mid-July, while mid-January bottoms out near 37°. August is the wettest stretch of the year, averaging over an inch of rain in a single week. Spring and fall offer mild temperatures but plan for the full range — April through October is the comfortable travel window.