New York Weather In August. August is a hot and humid month in new york, with average highs of 29.0°c and with a few days above 32°c, though towards the end of the month. In new york city in august, daily high temperatures increase by an average of 9°f, from 73°f (23°c) to 82°f (28°c), rarely falling below 65°f (18°c) or exceeding 90°f (32°c).
However, there are different situations also in this season: Get the monthly weather forecast for new york, ny, including daily high/low, historical averages, to help you plan ahead.