Historical weather data, all-time temperature records, and monthly climate averages for Collingswood, NJ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Collingswood lands right in the thick of spring uncertainty — historically, highs have swung from a frigid 24° (1995) all the way up to 78° (2010). You're most likely looking at something in the low 60s, though nearly a coin-flip chance of rain means an umbrella isn't a bad idea.
Collingswood earns its Mid-Atlantic stripes at the extremes: the mercury has hit a brutal 108° in July and plunged to -4° in January, a range of 112 degrees. A single storm dropped 6.35 inches of rain in September 1999, and the Blizzard of '96 buried the town under 22 inches of snow in one day.
Summer is the main event here — highs average 88–90° in mid-July, making late July the wettest stretch of the year as well. If you want comfortable weather, aim for May (74°) or September (79°), which offer warmth without the humidity and rain of peak summer. January and February are the clear months to avoid, with highs barely cracking 40–44°.