Mercer County (Princeton)
August
Weather in Mercer County for August 2025
Your guide to Mercer County weather in August - trends and predictions
In general, the average temperature in Mercer County at the beginning of August is 30 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.3 °F by the end of August.
The climate of Mercer County in August is notably wet, with an average of 14 rainy days, and a total of 126.7 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
27°/18°
Temperatures
15 km/h
Avg max wind
69 %
Avg humidity
Mercer County in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  32° | 2 31° | 3 33° | ||||
| 4  29° | 5  33° | 6 31° | 7 21° | 8 24° | 9 27° | 10  28° |
| 11  26° | 12  25° | 13 26° | 14 29° | 15 29° | 16 31° | 17 28° |
| 18  25° | 19 27° | 20 22° | 21 20° | 22 23° | 23 27° | 24 27° |
| 25 29° | 26 31° | 27 31° | 28 34° | 29 22° | 30 23° | 31 28° |
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Temperatures trend during August in Mercer County
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Patchy light drizzle | 32° /22° | 4 mm | 7 | |
| Aug. 2 | Patchy light rain | 31° /23° | 6.9 mm | 7 | |
| Aug. 3 | Light drizzle | 33° /22° | 15.5 mm | 7 | |
| Aug. 4 | Light rain shower | 29° /21° | 18.8 mm | 6 | |
| Aug. 5 | Partly cloudy | 33° /21° | 0.1 mm | 8 | |
| Aug. 6 | Light rain shower | 31° /20° | 15.8 mm | 7 | |
| Aug. 7 | Light rain shower | 21° /17° | 11.3 mm | 5 | |
| Aug. 8 | Light rain shower | 24° /19° | 5.4 mm | 5 | |
| Aug. 9 | Light rain shower | 27° /21° | 13.1 mm | 6 | |
| Aug. 10 | Mist | 28° /20° | 0.2 mm | 6 | |
| Aug. 11 | Sunny | 26° /17° | 0 mm | 7 | |
| Aug. 12 | Cloudy | 25° /17° | 0 mm | 6 | |
| Aug. 13 | Cloudy | 26° /16° | 0 mm | 6 | |
| Aug. 14 | Partly cloudy | 29° /18° | 0.5 mm | 7 | |
| Aug. 15 | Sunny | 29° /18° | 0 mm | 7 | |
| Aug. 16 | Partly cloudy | 31° /19° | 0 mm | 8 | |
| Aug. 17 | Light drizzle | 28° /19° | 1 mm | 6 | |
| Aug. 18 | Moderate or heavy rain shower | 25° /18° | 20.9 mm | 6 | |
| Aug. 19 | Light rain shower | 27° /17° | 1.7 mm | 6 | |
| Aug. 20 | Cloudy | 22° /13° | 0 mm | 5 | |
| Aug. 21 | Cloudy | 20° /11° | 0 mm | 5 | |
| Aug. 22 | Partly cloudy | 23° /11° | 0 mm | 6 | |
| Aug. 23 | Partly cloudy | 27° /14° | 0 mm | 7 | |
| Aug. 24 | Partly cloudy | 27° /17° | 0 mm | 7 | |
| Aug. 25 | Sunny | 29° /17° | 0 mm | 7 | |
| Aug. 26 | Partly cloudy | 31° /19° | 0 mm | 8 | |
| Aug. 27 | Sunny | 31° /19° | 0 mm | 8 | |
| Aug. 28 | Sunny | 34° /20° | 1.1 mm | 8 | |
| Aug. 29 | Light drizzle | 22° /18° | 9.1 mm | 5 | |
| Aug. 30 | Light rain shower | 23° /17° | 1 mm | 5 | |
| Aug. 31 | Patchy rain possible | 28° /19° | 0.4 mm | 6 | |
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Important Notice
Our weather forecast for Mercer County in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Mercer County during August?
During August, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mercer County during August?
Significant rainfall exceeding 126.7 mm is expected in Mercer County during August, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mercer County during August?
The average wind speed in Mercer County during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Mercer County
Explore the daily rainfall trends and prepare for Mercer Countys August weather 💧
UV exposure in Mercer County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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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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