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Weather in Passaic County, New Jersey for May 2026

Your guide to Passaic County weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Passaic County at the beginning of May is 19.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.1 °F by the end of May.

  • Rain 🌧️

  • Passaic County in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 102 mm.

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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Passaic County Weather May

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Temperatures trend during May in Passaic County

See the weather trend as well as the moving average line

May weather in Passaic County day by day

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Date Weather Temperatures Rain UV More
May 1 Light drizzle
Light drizzle
18° /10° 0.3 mm 5
May 2 Overcast
Overcast
25° /11° 0 mm 6
May 3 Cloudy
Cloudy
22° /14° 9.1 mm 5
May 4 Light drizzle
Light drizzle
16° /11° 8 mm 4
May 5 Light rain
Light rain
13° /11° 41.4 mm 4
May 6 Fog
Fog
18° /12° 34.1 mm 5
May 7 Patchy rain possible
Patchy rain possible
23° /13° 8.3 mm 5
May 8 Light rain shower
Light rain shower
23° /15° 2.2 mm 5
May 9 Light rain shower
Light rain shower
16° /10° 75.6 mm 4
May 10 Light rain shower
Light rain shower
17° /7° 5.4 mm 4
May 11 Patchy rain possible
Patchy rain possible
18° /8° 0.1 mm 5
May 12 Light rain shower
Light rain shower
15° /8° 8 mm 4
May 13 Light drizzle
Light drizzle
18° /9° 2.1 mm 4
May 14 Light rain shower
Light rain shower
18° /12° 43 mm 5
May 15 Patchy rain possible
Patchy rain possible
19° /14° 0.8 mm 4
May 16 Light drizzle
Light drizzle
18° /13° 1.8 mm 5
May 17 Overcast
Overcast
22° /15° 2.5 mm 5
May 18 Cloudy
Cloudy
21° /13° 0 mm 5
May 19 Overcast
Overcast
22° /11° 0 mm 6
May 20 Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 8.6 mm 5
May 21 Partly cloudy
Partly cloudy
17° /10° 17.2 mm 5
May 22 Patchy rain possible
Patchy rain possible
20° /11° 12.2 mm 5
May 23 Overcast
Overcast
21° /11° 2.4 mm 5
May 24 Sunny
Sunny
23° /11° 0.2 mm 6
May 25 Overcast
Overcast
22° /11° 0.2 mm 5
May 26 Sunny
Sunny
24° /11° 1.2 mm 6
May 27 Sunny
Sunny
22° /13° 4.6 mm 5
May 28 Sunny
Sunny
23° /13° 2.3 mm 6
May 29 Sunny
Sunny
25° /13° 6.3 mm 6
May 30 Sunny
Sunny
22° /12° 9.9 mm 5
May 31 Sunny
Sunny
24° /10° 13.2 mm 6
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Important Notice
Our weather forecast for Passaic County in May 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 Passaic County forecast closer to your planned date for the most up-to-date weather information.

Passaic County in May - FAQ

What are the expected maximum and minimum temperatures in Passaic County during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Passaic County during May?
Significant rainfall exceeding 102 mm is expected in Passaic County during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Passaic County during May?
The average wind speed in Passaic County during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Passaic County

Explore the daily rainfall trends and prepare for Passaic Countys May weather 💧

UV exposure in Passaic County during May

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

Get accurate weather forecasts for Passaic County, located at latitude 40.917 and longitude -74.172. Stay updated with localized weather information tailored for Passaic County.

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