Gloucester County (Clayton)
May
Weather in Gloucester County, New Jersey for May 2026
Your guide to Gloucester County weather in May - trends and predictions
In general, the average temperature in Gloucester County at the beginning of May is 23.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.9 °F by the end of May.
The climate of Gloucester County in May is notably wet, with an average of 14 rainy days, and a total of 158 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
14
Rainy days
0
Snow days
21°/13°
Temperatures
19 km/h
Avg max wind
72 %
Avg humidity
Gloucester County Weather May
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Temperatures trend during May in Gloucester County
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May weather in Gloucester County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 22° /11° | 0 mm | 5 | |
| May 2 |  Patchy rain possible | 29° /15° | 0.2 mm | 6 | |
| May 3 |  Moderate or heavy rain shower | 28° /18° | 6.5 mm | 6 | |
| May 4 | Moderate or heavy rain shower | 21° /17° | 12.2 mm | 5 | |
| May 5 | Patchy rain possible | 20° /16° | 1 mm | 5 | |
| May 6 | Patchy rain possible | 22° /15° | 1.1 mm | 5 | |
| May 7 |  Overcast | 22° /14° | 0.2 mm | 5 | |
| May 8 | Patchy rain possible | 24° /13° | 0.2 mm | 5 | |
| May 9 | Moderate or heavy rain shower | 17° /12° | 13.4 mm | 4 | |
| May 10 |  Sunny | 22° /9° | 0 mm | 6 | |
| May 11 |  Partly cloudy | 24° /13° | 0 mm | 6 | |
| May 12 | Overcast | 25° /14° | 0 mm | 6 | |
| May 13 | Moderate rain at times | 21° /17° | 7.2 mm | 5 | |
| May 14 | Moderate or heavy rain shower | 18° /15° | 9.7 mm | 4 | |
| May 15 | Moderate or heavy rain shower | 24° /17° | 12.6 mm | 5 | |
| May 16 |  Heavy rain at times | 24° /16° | 3.8 mm | 5 | |
| May 17 | Heavy rain at times | 25° /19° | 1.8 mm | 6 | |
| May 18 | Overcast | 22° /15° | 0 mm | 5 | |
| May 19 | Sunny | 23° /12° | 0 mm | 6 | |
| May 20 | Overcast | 19° /9° | 0 mm | 4 | |
| May 21 | Moderate or heavy rain shower | 13° /11° | 9 mm | 3 | |
| May 22 | Moderate or heavy rain shower | 15° /12° | 25.8 mm | 4 | |
| May 23 | Moderate rain at times | 17° /10° | 2.5 mm | 4 | |
| May 24 | Overcast | 17° /9° | 0 mm | 4 | |
| May 25 | Overcast | 20° /9° | 0 mm | 5 | |
| May 26 | Cloudy | 21° /14° | 0 mm | 5 | |
| May 27 | Overcast | 22° /13° | 0 mm | 5 | |
| May 28 | Moderate or heavy rain shower | 14° /11° | 50.6 mm | 3 | |
| May 29 |  Fog | 24° /13° | 0 mm | 5 | |
| May 30 | Overcast | 23° /16° | 15.4 mm | 5 | |
| May 31 | Partly cloudy | 22° /13° | 25.7 mm | 6 | |
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Important Notice
Our weather forecast for Gloucester 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 Gloucester County forecast closer to your planned date for the most up-to-date weather information.
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Gloucester County in May - FAQ
What are the expected maximum and minimum temperatures in Gloucester County during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gloucester County during May?
Significant rainfall exceeding 158 mm is expected in Gloucester County during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gloucester County during May?
The average wind speed in Gloucester County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Gloucester County
Explore the daily rainfall trends and prepare for Gloucester Countys May weather 💧
UV exposure in Gloucester County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Gloucester County?Get accurate weather forecasts for Gloucester County, located at latitude 39.66 and longitude -75.092. Stay updated with localized weather information tailored for Gloucester County.
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