New York weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: April – October
What is the weather like in New York in August?
In August, New York is hot: daytime highs average 28 °C, and nights cool down to about 20 °C. The sea averages 23.3 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 97 mm in total. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in New York.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 69 | 76 | 81 |
| Day | 29° | 28° | 24° |
| Night | 20° | 20° | 16° |
| Sea | 22° | 23° | 22° |
| Sun | 8 h | 7 h | 7 h |
| Rain days | 11 | 11 | 9 |
More details for August
- Daylight
- 13 h 51 min06:06 – 19:56
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 16 daysdew point 18 °C or more
- Wind
- 14 km/haverage daily peak
- Cloud cover
- 55 %on average
- Hot days
- 7 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %73 %
- Few rainy daysweight 30 %53 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
New York in August: quick answers
Is New York hot in August?
Yes. In August, New York is hot: daytime highs average 28 °C and nights stay around 20 °C. On about 7 days the thermometer climbs to 30 °C or more.
Can you swim in New York in August?
Yes. In August the sea averages 23.3 °C – pleasant for swimming.
Does it rain much in New York in August?
Rain is frequent, with about 11 rainy days and 97 mm in total.
New York month by month
The whole year in New YorkAll destinations: USAWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)