Historical weather data, all-time temperature records, and monthly climate averages for Lake Grove, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Lake Grove sits right in that shoulder-season sweet spot — expect a high near 53° and a low around 38°, with nearly a coin-flip chance of rain. The date has seen wild swings over 62 years, from a balmy 75° in 2010 to a bitter 26° back in 1972.
Lake Grove doesn't mess around at the extremes — the mercury has hit 104° in July and cratered to -14° in February, a swing of 118 degrees across the record books. A single August storm in 2014 dumped 13.51 inches of rain, and a January 2022 snowstorm buried the area under 23.5 inches in one day.
Summer is the sweet spot here, with highs peaking around 82–84° in mid-July before tapering off through fall. Winters are firmly cold, with January and February highs stuck in the upper 30s and low 40s. If you're trying to dodge rain, avoid mid-August — it's statistically the wettest stretch of the year.