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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

7/ Photo: A dry Oak Ridge Reservoir along the Sussex/Morris County border on September 15th. This part of northern NJ remains in the "Moderate Drought" category at month's end. Photo courtesy of Alex Burdi.

A dry Oak Ridge Reservoir along the Sussex/Morris County border on September 15th. This part of northern NJ remains in the "Moderate Drought" category at month's end. Photo courtesy of Alex Burdi.

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

6/ Despite this, the state has not slid into a significant drought situation as is currently found in New England. Water resources are holding on but certainly are more vulnerable than anyone would like.

For more, click below! https://www.njweather.org/content/holding-september-2025-recap

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

5/ The month ended with most of north Jersey categorized on the US Drought Monitor as being Abnormally Dry or in Moderate Drought, and October 1st found the NJ Department of Environmental Protection (@dep.nj.gov) declaring a Drought Watch across the entire state.

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

4/ Monthly precipitation came in below normal at 3.03”. This was 1.13” below normal and ranked as the 56th driest of the past 131 Septembers. It was the second consecutive month with below-normal statewide precipitation, with eleven of the past thirteen months finishing below normal.

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

3/ ...being warmer than the first. Normally, the second half averages approximately 5.0°–5.5° cooler than the first, however this year’s second half was 1.0°–1.5° milder than the first half in the north and about 2° milder in the south.

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

2/ / The average high was 78.0°, which is 0.8° above normal and ranks as the 26th warmest on record.The average low was 58.2°, which is 1.6° above normal and ranks as 12th warmest. September temperatures averaged above normal mainly due to the second half of the month...

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Office of the NJ State Climatologist @njclimate.bsky.social · 1d

🧵 New Jersey's September 2025 temperature averaged 68.1°. This was 1.2° above the 1991–2020 normal and ranked as the 16th warmest September since records commenced in 1895. Ten of the twenty warmest Septembers have occurred since 2010.

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

Photo: Significant beach erosion in Beach Haven (Ocean County) following days of strong wave action caused by Hurricane Erin.
Photo by Beach Haven Mayor Colleen Lambert. (7/7)

Significant beach erosion in Beach Haven (Ocean County) following days of strong wave action caused by Hurricane Erin. Photo by Beach Haven Mayor Colleen Lambert.

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

...each had 48 days where one or more Rutgers NJ Weather Network station was 90° or hotter (three of the 2024 days occurred in May).

For much more, click below!

https://www.njweather.org/content/flip-flopping-august-and-summer-2025-recaps
(6/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

Instead, the 73.6° statewide summer average was 0.5° above the 1991–2020 normal and ranked as the 16th warmest on record. Despite this ranking being 13 spots behind 2024’s summer ranking of 3rd warmest,... (5/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

This summer started on the warmer-than-normal side, with June the 9th warmest dating back to 1895 and July 6th warmest. However, the cool August, at 37th coolest, put the brakes on the chance of this summer coming in at or close to warmest on record, something commonly seen in recent summers. (4/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

Overall, the 70.7° statewide monthly average was 2.9° below normal, ranking 37th coolest of the past 131 years. It was the coolest August since 1994.

Statewide summer precipitation averaged 10.22". This was 3.36" below the 1991–2020 normal and ranks as the 28th driest of the past 131 summers. (3/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

New Jersey averaged 2.16” for August. This is 2.41” below normal, which ranks 13th driest dating back to 1895. August began with a stretch of cooler-than-normal conditions, then warmed for a little over a week before again dropping below normal at month’s end. (2/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Sep 8

August and summer 2025 weather conditions vacillated between heat with plenty of humidity to cool and quite pleasant. In the mix were also some local extreme storms with damaging impacts, while there were also some extended dry intervals. (1/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

For more, click below:

https://www.njweather.org/.../danger-lurks-july-2025-recap

Photo: Debris and rubble in the aftermath of flash flooding that occurred on July 14th in North Plainfield (Somerset County). Photo by Seth Wenig/AP Photo. (7/7)

Debris and rubble in the aftermath of flash flooding that occurred on July 14th in North Plainfield.

Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

Overall, the north averaged 4.62” (-0.10”, 64th wettest/68th driest), south 5.93” (+1.19”, 26th wettest), and coast 6.08” (+1.70”, 20th wettest). (6/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

The 5.44” statewide average July precipitation was 0.73” above normal, ranking 42nd wettest of the past 131 Julys. As is often seen during summer months, totals varied markedly over rather short distances, seen this month in both the north and south. (5/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

...ranking 3rd warmest. Eight of the ten warmest Julys have occurred since 2010 and twelve of fifteen since 1999. Only three Julys in the past 25 years have averaged below the 1991–2010 normal. (4/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

Temperature-wise, the July statewide average temperature of 78.1° was 2.7° above the 1991–2020 mean and ranked as the 6th warmest since records commenced in 1895. The average high of 87.7° was 2.0° above normal, ranking 12th warmest, while the average low of 68.5° was 3.4° above normal,...(3/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

...perilous situations. No doubt, the often-relentless heat and humidity led to medical issues for those most vulnerable, be they old, young, infirmed, employed outdoors, or living in stifling locations devoid of air conditioning. (2/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Aug 7

Tragically, this July demonstrated how weather danger lurks across the Garden State during summer months. July thunderstorm winds felled trees that resulted in three fatalities, lightning strikes killed two and injured others, and flash flooding took two lives and put countless others in...(1/7)

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Office of the NJ State Climatologist @njclimate.bsky.social · Jul 9

For more, click below!

https://www.njweather.org/content/enigmas-june-2025-recap-plus-first-half-2025-review

Photo: The Great Falls along the Passaic River in Paterson (Passaic County) on June 25th. Photo by Dave Robinson. (8/8)

Photo of The Great Falls along the Passaic River in Paterson (Passaic County) on June 25th.

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Office of the NJ State Climatologist @njclimate.bsky.social · Jul 9

...November 2024, only retaining a Drought Watch in the Coastal South division. This retention was the result of continuing below-normal groundwater levels in this region with its sandy substrate. (7/8)

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Office of the NJ State Climatologist @njclimate.bsky.social · Jul 9

This was the fourth June this century to rank so dry. While these low totals are concerning, especially in a hot summer month, the near-average rains of early spring and the wet May led the NJ Department of Environmental Protection to lift the statewide Drought Warning issued in... (6/8)

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Office of the NJ State Climatologist @njclimate.bsky.social · Jul 9

...was 0.5° above normal and ranks 32nd warmest. The average low of 62.2° was 2.6° above normal and ranks 3rd warmest.
Rainfall was quite sparse, especially in the south. Statewide, precipitation averaged 2.64”. This was 1.66” below normal and ranks as the 25th driest June on record. (5/8)

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