New Castle County
July
Weather in New Castle County for July 2025
Your guide to New Castle County weather in July - trends and predictions
In general, the average temperature in New Castle County at the beginning of July is 29 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.9 °F by the end of July.
Expect significant rainfall in New Castle County during July, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
30°/20°
Temperatures
14 km/h
Avg max wind
72 %
Avg humidity
New Castle County in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  28° | 3 28° | 4  28° | 5  30° | 6  32° | |
| 7 32° | 8 31° | 9 31° | 10 34° | 11 31° | 12 27° | 13 31° |
| 14 32° | 15  35° | 16 34° | 17 33° | 18 28° | 19 28° | 20  23° |
| 21 30° | 22 25° | 23 31° | 24  26° | 25 27° | 26  26° | 27 29° |
| 28 30° | 29 31° | 30 27° | 31 32° |
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Temperatures trend during July in New Castle County
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 | Partly cloudy | 25° /15° | 0 mm | 7 | |
| Jul. 2 | Sunny | 28° /15° | 0 mm | 7 | |
| Jul. 3 | Sunny | 28° /15° | 0 mm | 7 | |
| Jul. 4 | Patchy light drizzle | 28° /18° | 6.5 mm | 6 | |
| Jul. 5 | Light rain shower | 30° /22° | 8.8 mm | 7 | |
| Jul. 6 | Fog | 32° /23° | 1.6 mm | 7 | |
| Jul. 7 | Sunny | 32° /22° | 0.1 mm | 8 | |
| Jul. 8 | Patchy rain possible | 31° /22° | 0.4 mm | 7 | |
| Jul. 9 | Light rain shower | 31° /23° | 2.2 mm | 7 | |
| Jul. 10 | Patchy rain possible | 34° /23° | 0.3 mm | 7 | |
| Jul. 11 | Partly cloudy | 31° /22° | 1.7 mm | 8 | |
| Jul. 12 | Light rain shower | 27° /20° | 1.9 mm | 6 | |
| Jul. 13 | Fog | 31° /21° | 2 mm | 7 | |
| Jul. 14 | Partly cloudy | 32° /21° | 0 mm | 8 | |
| Jul. 15 | Thundery outbreaks possible | 35° /22° | 3.2 mm | 8 | |
| Jul. 16 | Sunny | 34° /22° | 2.1 mm | 8 | |
| Jul. 17 | Patchy rain possible | 33° /22° | 5.3 mm | 7 | |
| Jul. 18 | Partly cloudy | 28° /20° | 3.7 mm | 7 | |
| Jul. 19 | Sunny | 28° /18° | 0 mm | 7 | |
| Jul. 20 | Cloudy | 23° /19° | 0 mm | 5 | |
| Jul. 21 | Patchy rain possible | 30° /18° | 0 mm | 7 | |
| Jul. 22 | Light rain shower | 25° /20° | 6.9 mm | 6 | |
| Jul. 23 | Fog | 31° /20° | 1.5 mm | 7 | |
| Jul. 24 | Moderate or heavy rain shower | 26° /21° | 16.4 mm | 6 | |
| Jul. 25 | Light rain shower | 27° /20° | 9 mm | 6 | |
| Jul. 26 | Overcast | 26° /16° | 0.1 mm | 6 | |
| Jul. 27 | Sunny | 29° /17° | 0 mm | 7 | |
| Jul. 28 | Sunny | 30° /18° | 0 mm | 8 | |
| Jul. 29 | Patchy rain possible | 31° /21° | 0.1 mm | 7 | |
| Jul. 30 | Light rain shower | 27° /20° | 9 mm | 6 | |
| Jul. 31 | Fog | 32° /21° | 11.3 mm | 7 | |
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Important Notice
Our weather forecast for New Castle 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 New Castle County forecast closer to your planned date for the most up-to-date weather information.
New Castle County in July - FAQ
What are the expected maximum and minimum temperatures in New Castle County during July?
Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in New Castle County during July?
Moderate rainfall is anticipated in New Castle County during July, with a total of 94.1 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in New Castle County during July?
The average wind speed in New Castle County during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is New Castle County?Get accurate weather forecasts for New Castle County, located at latitude 39.684 and longitude -75.75. Stay updated with localized weather information tailored for New Castle County.
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