Historical weather data, all-time temperature records, and monthly climate averages for Arrochar, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Arrochar lands right in the heart of spring transition, with average highs of 56° and lows of 38° across 175 years of records. The date has swung wildly — from a scorching 83° in 1985 to a brutal 21° back in 1874. There's a 35% chance of rain today, though snow is nearly off the table at just 4%.
Arrochar's weather has real range — from a sweltering 108° in July 2011 to a bone-chilling -14° in February 1934, a spread of 122 degrees. The wettest single day on record dumped a remarkable 15 inches of rain on August 5, 1843, and the snowiest dropped 25.9 inches on the day after Christmas in 1947.
Summer is the sweet spot here, with highs peaking around 85-86° in mid-to-late July and the wettest stretch of the year falling right after, averaging over an inch of rain in the last week of July. Winters are cold but not brutal, with January and February highs stuck in the upper 30s to 40°. If you're planning a visit, May through September offers the most comfortable stretch before the long cool slide into winter.