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Weather in Nassau County, New York for July 2026

Your guide to Nassau County weather in July - trends and predictions

    Official Weather Alert ⚠️

  • Small Craft Advisory - See hour by hour.

  • Temperatures

  • So far, July 2026 in Nassau County is slightly warmer than the historical average by 1.1 °C.

  • The forecast for the upcoming days in Nassau County predicts a temperature of 29.4 °C, which is slightly above the historical average.

  • In general, the average temperature in Nassau County at the beginning of July is 30.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.9 °C by the end of July.

  • Rain 🌧️

  • Nassau County in July brings notable rainfall, with an average of 18 rainy days and a total precipitation of 289.9 mm.

  • More

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Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/22°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Nassau County Weather July

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Temperatures trend during July in Nassau County

See the weather trend as well as the moving average line

July weather in Nassau County day by day

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Date Weather Temperatures Rain UV More
Jul. 1 Fog
Fog
33° /22° 7 mm 10
Jul. 2 Overcast
Overcast
34° /23° 5.8 mm 9
Jul. 3 Moderate rain at times
Moderate rain at times
36° /24° 4.3 mm 10
Jul. 4 Sunny
Sunny
31° /22° 5 mm 10
Jul. 5 Cloudy
Cloudy
29° /21° 16.9 mm 6
Jul. 6 Partly cloudy
Partly cloudy
27° /20° 42.9 mm 5
Jul. 7 Mist
Mist
24° /20° 2.1 mm 4
Jul. 8 Thundery outbreaks possible
Thundery outbreaks possible
31° /20° 2.2 mm 10
Jul. 9 Mist
Mist
29° /22° 3.7 mm 9
Jul. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 9.3 mm 9
Jul. 11 Fog
Fog
26° /20° 6.8 mm 9
Jul. 12 Fog
Fog
29° /20° 0.1 mm 9
Jul. 13 Overcast
Overcast
30° /20° 0 mm 9
Jul. 14 Overcast
Overcast
31° /21° 0 mm 9
Jul. 15 Torrential rain shower
Torrential rain shower
33° /24° 31.6 mm 9
Jul. 16 Fog
Fog
31° /22° 0 mm 9
Jul. 17 Overcast
Overcast
32° /21° 0 mm 9
Jul. 18 Partly cloudy
Partly cloudy
28° /21° 13 mm 9
Jul. 19 Partly cloudy
Partly cloudy
27° /20° 0.6 mm 9
Jul. 20 Torrential rain shower
Torrential rain shower
28° /19° 47 mm 9
Jul. 21 Sunny
Sunny
29° /20° 84.9 mm 7.2
Jul. 22 Partly cloudy
Partly cloudy
30° /22° 0.9 mm 7.8
Jul. 23 Sunny
Sunny
26° /17° 0 mm 8.2
Jul. 24 Sunny
Sunny
28° /19° 0 mm 8.5
Jul. 25 Sunny
Sunny
29° /19° 0 mm 7
Jul. 26 Sunny
Sunny
29° /21° 0 mm 7
Jul. 27 Sunny
Sunny
31° /22° 28.3 mm 7
Jul. 28 Partly cloudy
Partly cloudy
30° /20° 7.3 mm 7
Jul. 29 Sunny
Sunny
29° /21° 0 mm 7
Jul. 30 Sunny
Sunny
27° /22° 0.9 mm 7
Jul. 31 Sunny
Sunny
27° /21° 0 mm 7
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Important Notice
Our weather forecast for Nassau County 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 Nassau County forecast closer to your planned date for the most up-to-date weather information.

Nassau County in July - FAQ

What are the expected maximum and minimum temperatures in Nassau County during July?

During July, expect a variety of temperatures with highs around 29° and lows near 22°, suitable for diverse activities and preferences.

How much rainfall should be expected in Nassau County during July?

Significant rainfall exceeding 289.9 mm is expected in Nassau County during July, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Nassau County during July?

The average wind speed in Nassau County during July is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in Nassau County

Explore the daily rainfall trends and prepare for Nassau Countys July weather 💧
Typically, Nassau County has 18 rainy days in July with a total of 289.9 mm of rainfall.

UV exposure in Nassau County during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Location coordinates Where is Nassau County?

Get accurate weather forecasts for Nassau County, located at latitude 40.862 and longitude -73.634. Stay updated with localized weather information tailored for Nassau County.

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