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Weather in Mercer County, New Jersey for June 2025

Your guide to Mercer County weather in June - trends and predictions

    Temperatures

  • Until now, June 2025 in Mercer County has been nearly identical to the historical average, with a temperature of 25 °F (showing only a slight deviation of 0.3 °F).

  • The forecast for the upcoming days in Mercer County predicts a temperature of 27.5 °F, which is slightly above the historical average.

  • In general, the average temperature in Mercer County at the beginning of June is 25.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 29.6 °F by the end of June.

    • Rain 🌧️

  • The climate of Mercer County in June is notably wet, with an average of 12 rainy days, and a total of 86.2 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/16°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Mercer County Weather June

Move between months or click on a day
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
21°
2
Overcast
25°
3
Patchy rain possible
26°
4
Sunny
28°
5
Fog
27°
6
Light rain shower
27°
7
Partly cloudy
23°
8
Cloudy
20°
9
Light drizzle
21°
10
Cloudy
23°
11
Cloudy
26°
12
Partly cloudy
28°
13
Patchy rain possible
26°
14
Cloudy
28°
15
Moderate rain
16°
16
Patchy rain possible
17°
17
Moderate rain
20°
18
Moderate rain
34°
19
Moderate rain
34°
20
Patchy rain possible
27°
21
Sunny
27°
22
Partly cloudy
30°
23
Partly cloudy
34°
24
Sunny
36°
25
Sunny
34°
26
Patchy rain possible
31°
27
Patchy rain possible
26°
28
Patchy rain possible
19°
29
Patchy rain possible
30°
30
Patchy rain possible
31°

Temperatures trend during June in Mercer County

See the weather trend as well as the moving average line

June weather in Mercer County day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
Jun. 1 Sunny
Sunny
 21° /9° 0 mm 6
Jun. 2 Overcast
Overcast
 25° /12° 0 mm 6
Jun. 3 Patchy rain possible
Patchy rain possible
 26° /14° 0.8 mm 6
Jun. 4 Sunny
Sunny
 28° /15° 0 mm 8
Jun. 5 Fog
Fog
 27° /16° 2.6 mm 6
Jun. 6 Light rain shower
Light rain shower
 27° /19° 9.8 mm 6
Jun. 7 Partly cloudy
Partly cloudy
 23° /16° 88.4 mm 6
Jun. 8 Cloudy
Cloudy
 20° /13° 1.9 mm 5
Jun. 9 Light drizzle
Light drizzle
 21° /15° 10 mm 5
Jun. 10 Cloudy
Cloudy
 23° /15° 8.2 mm 5
Jun. 11 Cloudy
Cloudy
 26° /14° 0 mm 7
Jun. 12 Partly cloudy
Partly cloudy
 28° /17° 0 mm 8
Jun. 13 Patchy rain possible
Patchy rain possible
 26° /17° 0.1 mm 6
Jun. 14 Cloudy
Cloudy
 28° /16° 45 mm 7
Jun. 15 Moderate rain
Moderate rain
 16° /14° 15.8 mm 0.5
Jun. 16 Patchy rain possible
Patchy rain possible
 17° /15° 3.3 mm 0.3
Jun. 17 Moderate rain
Moderate rain
 20° /16° 6.6 mm 0.6
Jun. 18 Moderate rain
Moderate rain
 34° /18° 11.3 mm 1.3
Jun. 19 Moderate rain
Moderate rain
 34° /21° 7.9 mm 0.2
Jun. 20 Patchy rain possible
Patchy rain possible
 27° /19° 0 mm 5
Jun. 21 Sunny
Sunny
 27° /16° 0 mm 6
Jun. 22 Partly cloudy
Partly cloudy
 30° /17° 0 mm 6
Jun. 23 Partly cloudy
Partly cloudy
 34° /24° 0 mm 7
Jun. 24 Sunny
Sunny
 36° /25° 0 mm 8
Jun. 25 Sunny
Sunny
 34° /22° 0 mm 7
Jun. 26 Patchy rain possible
Patchy rain possible
 31° /22° 0.1 mm 6
Jun. 27 Patchy rain possible
Patchy rain possible
 26° /19° 0.2 mm 5
Jun. 28 Patchy rain possible
Patchy rain possible
 19° /16° 1 mm 4
Jun. 29 Patchy rain possible
Patchy rain possible
 30° /17° 0.8 mm 7
Jun. 30 Patchy rain possible
Patchy rain possible
 31° /20° 2.9 mm 7
Next
Important Notice
Our weather forecast for Mercer County in June 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.
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Mercer County in June - FAQ

What are the expected maximum and minimum temperatures in Mercer County during June?
During June, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mercer County during June?
Moderate rainfall is anticipated in Mercer County during June, with a total of 86.2 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Mercer County during June?
The average wind speed in Mercer County during June is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Mercer County

Explore the daily rainfall trends and prepare for Mercer Countys June weather 💧

UV exposure in Mercer County during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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Location coordinates 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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