Long Island (NY)
July
Weather in Long Island, New York for July 2026
Your guide to Long Island weather in July - trends and predictions
In general, the average temperature in Long Island at the beginning of July is 27.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.1 °F by the end of July.
Long Island experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 224.6 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
76 %
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 | 26° /19° | 1.7 mm | 6 | |
| Jul. 2 |  Sunny | 27° /19° | 5.6 mm | 7 | |
| Jul. 3 |  Partly cloudy | 28° /19° | 1.2 mm | 7 | |
| Jul. 4 |  Cloudy | 26° /19° | 9.9 mm | 6 | |
| Jul. 5 |  Moderate or heavy rain shower | 27° /19° | 4.2 mm | 7 | |
| Jul. 6 |  Heavy rain at times | 28° /21° | 0.8 mm | 7 | |
| Jul. 7 | Patchy rain possible | 28° /22° | 0.4 mm | 6 | |
| Jul. 8 | Moderate rain at times | 30° /22° | 2.7 mm | 7 | |
| Jul. 9 | Cloudy | 28° /22° | 4.6 mm | 6 | |
| Jul. 10 | Cloudy | 27° /23° | 5.3 mm | 6 | |
| Jul. 11 |  Overcast | 27° /21° | 6.6 mm | 6 | |
| Jul. 12 | Moderate rain at times | 27° /22° | 1 mm | 6 | |
| Jul. 13 | Moderate or heavy rain shower | 27° /21° | 19.5 mm | 6 | |
| Jul. 14 | Partly cloudy | 27° /21° | 0 mm | 7 | |
| Jul. 15 | Patchy rain possible | 28° /23° | 9.5 mm | 6 | |
| Jul. 16 | Patchy rain possible | 30° /22° | 0.1 mm | 7 | |
| Jul. 17 | Moderate rain at times | 29° /23° | 17.4 mm | 7 | |
| Jul. 18 | Overcast | 28° /22° | 3.8 mm | 6 | |
| Jul. 19 | Sunny | 27° /19° | 0 mm | 7 | |
| Jul. 20 | Moderate rain at times | 26° /21° | 75.8 mm | 6 | |
| Jul. 21 | Moderate rain at times | 28° /21° | 2.5 mm | 7 | |
| Jul. 22 | Heavy rain at times | 26° /20° | 4.6 mm | 7 | |
| Jul. 23 | Heavy rain at times | 25° /20° | 6.4 mm | 6 | |
| Jul. 24 | Patchy rain possible | 28° /21° | 0.6 mm | 7 | |
| Jul. 25 | Heavy rain at times | 29° /21° | 13.1 mm | 7 | |
| Jul. 26 | Sunny | 29° /21° | 9.7 mm | 7 | |
| Jul. 27 | Sunny | 28° /20° | 0 mm | 7 | |
| Jul. 28 | Partly cloudy | 31° /21° | 0.1 mm | 7 | |
| Jul. 29 | Moderate or heavy rain shower | 29° /21° | 8.9 mm | 7 | |
| Jul. 30 | Overcast | 30° /23° | 0 mm | 7 | |
| Jul. 31 | Light rain shower | 28° /21° | 8.7 mm | 6 | |
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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 224.6 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 💧
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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