Long Island
August
Weather in Long Island for August 2025
Your guide to Long Island weather in August - trends and predictions
In general, the average temperature in Long Island at the beginning of August is 27 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.3 °F by the end of August.
Long Island in August brings notable rainfall, with an average of 17 rainy days and a total precipitation of 196.7 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
26°/19°
Temperatures
18 km/h
Avg max wind
71 %
Avg humidity
Long Island Weather August
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Temperatures trend during August in Long Island
See the weather trend as well as the moving average line
August weather in Long Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 30° /23° | 0.2 mm | 7 | |
| Aug. 2 |  Moderate rain at times | 28° /23° | 6.1 mm | 6 | |
| Aug. 3 | Patchy rain possible | 28° /22° | 4.8 mm | 6 | |
| Aug. 4 | Moderate or heavy rain shower | 26° /22° | 17.2 mm | 6 | |
| Aug. 5 |  Sunny | 29° /22° | 0 mm | 7 | |
| Aug. 6 | Moderate or heavy rain shower | 26° /21° | 56.1 mm | 6 | |
| Aug. 7 |  Overcast | 22° /18° | 16.5 mm | 5 | |
| Aug. 8 |  Heavy rain at times | 22° /19° | 4.5 mm | 5 | |
| Aug. 9 | Heavy rain at times | 26° /22° | 10.3 mm | 6 | |
| Aug. 10 | Overcast | 28° /22° | 18.9 mm | 6 | |
| Aug. 11 | Patchy rain possible | 26° /20° | 0.1 mm | 6 | |
| Aug. 12 | Patchy rain possible | 24° /18° | 1.2 mm | 5 | |
| Aug. 13 |  Partly cloudy | 24° /17° | 0 mm | 6 | |
| Aug. 14 | Patchy rain possible | 27° /19° | 0.1 mm | 6 | |
| Aug. 15 | Sunny | 28° /19° | 0 mm | 7 | |
| Aug. 16 | Patchy rain possible | 27° /20° | 0.5 mm | 6 | |
| Aug. 17 |  Cloudy | 26° /21° | 0.1 mm | 6 | |
| Aug. 18 | Moderate or heavy rain shower | 25° /21° | 24.2 mm | 6 | |
| Aug. 19 | Moderate or heavy rain shower | 26° /20° | 17.9 mm | 6 | |
| Aug. 20 | Patchy rain possible | 22° /16° | 0.7 mm | 5 | |
| Aug. 21 | Cloudy | 20° /14° | 0 mm | 5 | |
| Aug. 22 | Cloudy | 23° /14° | 0 mm | 5 | |
| Aug. 23 | Sunny | 24° /16° | 0 mm | 6 | |
| Aug. 24 | Sunny | 26° /18° | 0 mm | 7 | |
| Aug. 25 | Patchy rain possible | 26° /19° | 0.1 mm | 6 | |
| Aug. 26 | Moderate or heavy rain shower | 26° /19° | 10.8 mm | 6 | |
| Aug. 27 | Sunny | 26° /18° | 0 mm | 7 | |
| Aug. 28 | Overcast | 30° /22° | 0 mm | 7 | |
| Aug. 29 | Overcast | 23° /19° | 0.6 mm | 5 | |
| Aug. 30 | Overcast | 22° /17° | 5.2 mm | 5 | |
| Aug. 31 | Patchy rain possible | 24° /19° | 0.5 mm | 5 | |
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Important Notice
Our weather forecast for Long Island in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Long Island forecast closer to your planned date for the most up-to-date weather information.
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Long Island in August - FAQ
What are the expected maximum and minimum temperatures in Long Island during August?
During August, expect a variety of temperatures with highs around 26° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Long Island during August?
Significant rainfall exceeding 196.7 mm is expected in Long Island during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Long Island during August?
The average wind speed in Long Island during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Long Island
Explore the daily rainfall trends and prepare for Long Islands August weather 💧
UV exposure in Long Island during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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