Suffolk County (Long Island)
August
Weather in Suffolk County for August 2025
Your guide to Suffolk County weather in August - trends and predictions
In general, the average temperature in Suffolk County 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.
Suffolk County 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
Suffolk County Weather August
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Temperatures trend during August in Suffolk County
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August weather in Suffolk County 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 Suffolk County 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 Suffolk County forecast closer to your planned date for the most up-to-date weather information.
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Suffolk County in August - FAQ
What are the expected maximum and minimum temperatures in Suffolk County 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 Suffolk County during August?
Significant rainfall exceeding 196.7 mm is expected in Suffolk County during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Suffolk County during August?
The average wind speed in Suffolk County during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Suffolk County
Explore the daily rainfall trends and prepare for Suffolk Countys August weather 💧
UV exposure in Suffolk County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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