Long Island (NY)
July
Weather in Long Island, New York for July 2026
Your guide to Long Island weather in July - trends and predictions
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So far, July 2026 in Long Island is slightly warmer than the historical average by 1.6 °C.
The forecast for the next days in Long Island predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Long Island at the beginning of July is 28.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.6 °C by the end of July.
Long Island experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 227.2 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
28°/21°
Temperatures
19 km/h
Avg max wind
75 %
Avg humidity
Long Island Weather July
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Temperatures trend during July in Long Island
See the weather trend as well as the moving average line
July weather in Long Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Patchy rain possible | 28° /19° | 1.4 mm | 8 | |
| Jul. 2 |  Sunny | 31° /20° | 3.7 mm | 8 | |
| Jul. 3 |  Partly cloudy | 32° /21° | 1.1 mm | 8 | |
| Jul. 4 |  Cloudy | 30° /21° | 7.3 mm | 8 | |
| Jul. 5 |  Moderate or heavy rain shower | 27° /20° | 11.4 mm | 6 | |
| Jul. 6 |  Heavy rain at times | 26° /20° | 15.5 mm | 6 | |
| Jul. 7 | Patchy rain possible | 26° /20° | 0.8 mm | 5 | |
| Jul. 8 | Moderate rain at times | 29° /20° | 1.8 mm | 8 | |
| Jul. 9 | Cloudy | 28° /21° | 3.4 mm | 8 | |
| Jul. 10 | Cloudy | 29° /22° | 4.7 mm | 8 | |
| Jul. 11 |  Overcast | 27° /21° | 5.8 mm | 8 | |
| Jul. 12 | Moderate rain at times | 28° /20° | 0.7 mm | 8 | |
| Jul. 13 | Moderate or heavy rain shower | 27° /20° | 13.1 mm | 8 | |
| Jul. 14 | Partly cloudy | 29° /21° | 0 mm | 8 | |
| Jul. 15 | Patchy rain possible | 31° /23° | 6.5 mm | 8 | |
| Jul. 16 | Patchy rain possible | 30° /22° | 0.1 mm | 8 | |
| Jul. 17 | Moderate rain at times | 30° /22° | 11.6 mm | 8 | |
| Jul. 18 | Overcast | 28° /21° | 7.9 mm | 8 | |
| Jul. 19 | Sunny | 28° /19° | 1 mm | 8 | |
| Jul. 20 | Moderate rain at times | 26° /21° | 75.8 mm | 6 | |
| Jul. 21 | Sunny | 26° /19° | 10.2 mm | 7.7 | |
| Jul. 22 | Patchy rain possible | 27° /21° | 3.7 mm | 7.9 | |
| Jul. 23 | Sunny | 25° /18° | 0 mm | 8 | |
| Jul. 24 | Sunny | 24° /18° | 0 mm | 8.5 | |
| Jul. 25 | Sunny | 25° /18° | 0 mm | 6 | |
| Jul. 26 | Sunny | 25° /17° | 0 mm | 6 | |
| Jul. 27 | Sunny | 26° /21° | 4.8 mm | 7 | |
| Jul. 28 | Patchy rain possible | 27° /22° | 9.4 mm | 7 | |
| Jul. 29 | Sunny | 26° /21° | 1 mm | 7 | |
| Jul. 30 | Patchy rain possible | 23° /20° | 11 mm | 5 | |
| Jul. 31 | Patchy rain possible | 27° /20° | 0.3 mm | 7 | |
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Important Notice
Our weather forecast for Long Island in July 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 July - FAQ
What are the expected maximum and minimum temperatures in Long Island during July?
During July, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Long Island during July?
Significant rainfall exceeding 227.2 mm is expected in Long Island during July, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Long Island during July?
The average wind speed in Long Island during July is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Long Island
Explore the daily rainfall trends and prepare for Long Islands July weather 💧
Typically, Long Island has 22 rainy days in July with a total of 227.2 mm of rainfall.
UV exposure in Long Island during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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