AC's official weather measurements are actually ten miles inland from the city, in Egg Harbor Township at the Airport. The result of an inland site and not an observation site on the barrier island means that temperatures, while still prone to the influence of the ocean, see a bit less influence than areas closer to the coastline do. Next week I'll compare the Airport in AC to the Courthouse in Atlantic City to show you the difference ten miles makes on average. In this week's report, we'll simply compare the most often seen "Shore" report with our climate to show you the differences in temperature between the two locations.
Atlantic City's high temperatures are quite similar to Philadelphia -- a bit warmer in the winter (oceanic influence, being a touch south of the city help) but a bit cooler in the summer (ocean). However, the difference between the Airport and Philly is rather insignificant outside of the winter as temperature differential in most months is generally within a degree. The biggest differences are at night where low temperatures are several degrees cooler than Philadelphia -- in the case of May it's as much as five degrees cooler. Even when the ocean is at its warmest, those effects don't show up in Atlantic City at night due to being inland, in a rural area, and on the edge of the Pinelands. Atlantic City is prone to some rather cold nights at its airport due to the sandy soil that surrounds the location. Philadelphia's heat island is a powerful factor in boosting temperatures at night compared to surrounding locations.
Snowfall, with Atlantic City closer to the ocean and a touch south, is lower (15" average compared to Philadelphia's average just over 20").
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