Weather in Manhattan in August
August in Manhattan is mild with average temperatures around 23.5°C (74.3°F). Expect significant rainfall with 114mm across approximately 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
28.5°C
83.3°F
Low
18.6°C
65.5°F
Precipitation
114 mm
4.5 inches
~13 rainy days
Conditions
Humidity
73%
Comparison to Adjacent Months
August is 3.7°C warmer than September.