Mercer County (Princeton)
July
Weather in Mercer County for July 2025
Your guide to Mercer County weather in July - trends and predictions
In general, the average temperature in Mercer County at the beginning of July is 29 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 29.3 °F by the end of July.
Mercer County in July brings notable rainfall, with an average of 17 rainy days and a total precipitation of 133.3 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
30°/20°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
Mercer County in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  28° | 3 29° | 4  28° | 5  29° | 6 31° | |
| 7 32° | 8 31° | 9 32° | 10 33° | 11  32° | 12 30° | 13 31° |
| 14 33° | 15  35° | 16 35° | 17 32° | 18 29° | 19 28° | 20  27° |
| 21 31° | 22 28° | 23 29° | 24  25° | 25 26° | 26 28° | 27 30° |
| 28 30° | 29 32° | 30 27° | 31 32° |
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Temperatures trend during July in Mercer 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 | 26° /14° | 0 mm | 7 | |
| Jul. 2 | Sunny | 28° /15° | 0 mm | 7 | |
| Jul. 3 | Sunny | 29° /15° | 0 mm | 7 | |
| Jul. 4 | Patchy light drizzle | 28° /18° | 1.3 mm | 6 | |
| Jul. 5 | Light rain shower | 29° /22° | 12 mm | 6 | |
| Jul. 6 | Light rain shower | 31° /23° | 8.4 mm | 7 | |
| Jul. 7 | Partly cloudy | 32° /24° | 0 mm | 8 | |
| Jul. 8 | Patchy rain possible | 31° /22° | 0.7 mm | 7 | |
| Jul. 9 | Patchy light drizzle | 32° /23° | 2.4 mm | 7 | |
| Jul. 10 | Patchy rain possible | 33° /23° | 0.6 mm | 7 | |
| Jul. 11 | Fog | 32° /23° | 1.1 mm | 7 | |
| Jul. 12 | Light rain shower | 30° /20° | 6.6 mm | 6 | |
| Jul. 13 | Light rain shower | 31° /21° | 4.3 mm | 7 | |
| Jul. 14 | Partly cloudy | 33° /22° | 0.1 mm | 8 | |
| Jul. 15 | Patchy light rain with thunder | 35° /22° | 10.3 mm | 8 | |
| Jul. 16 | Patchy rain possible | 35° /21° | 5.5 mm | 8 | |
| Jul. 17 | Patchy rain possible | 32° /24° | 3.7 mm | 7 | |
| Jul. 18 | Light rain shower | 29° /21° | 17.3 mm | 6 | |
| Jul. 19 | Sunny | 28° /18° | 0 mm | 7 | |
| Jul. 20 | Cloudy | 27° /18° | 0 mm | 6 | |
| Jul. 21 | Partly cloudy | 31° /19° | 0 mm | 8 | |
| Jul. 22 | Patchy rain possible | 28° /20° | 0.5 mm | 6 | |
| Jul. 23 | Light rain shower | 29° /20° | 1.1 mm | 6 | |
| Jul. 24 | Moderate or heavy rain shower | 25° /21° | 14.1 mm | 6 | |
| Jul. 25 | Light rain shower | 26° /19° | 15.2 mm | 6 | |
| Jul. 26 | Sunny | 28° /17° | 0 mm | 7 | |
| Jul. 27 | Sunny | 30° /17° | 0 mm | 7 | |
| Jul. 28 | Sunny | 30° /19° | 0 mm | 8 | |
| Jul. 29 | Patchy rain possible | 32° /20° | 3 mm | 7 | |
| Jul. 30 | Light rain shower | 27° /20° | 14.3 mm | 6 | |
| Jul. 31 | Light rain shower | 32° /21° | 11 mm | 7 | |
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Important Notice
Our weather forecast for Mercer 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 Mercer County forecast closer to your planned date for the most up-to-date weather information.
Mercer County in July - FAQ
What are the expected maximum and minimum temperatures in Mercer 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 Mercer County during July?
Significant rainfall exceeding 133.3 mm is expected in Mercer County during July, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mercer County during July?
The average wind speed in Mercer County during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Mercer County
Explore the daily rainfall trends and prepare for Mercer Countys July weather 💧
UV exposure in Mercer County during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Where is Mercer County?Get accurate weather forecasts for Mercer County, located at latitude 40.349 and longitude -74.659. Stay updated with localized weather information tailored for Mercer County.
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