New Jersey · county areal climate 1951–2025

Union County, NJ

A 48.8" / 54.6°F normal · 2025 ran 80% of normal precipitation.
2026 so far · through Jul 25: This area is at 78% (20.97") of the 1996–2025 to-date normal — the 12th driest start of 76 years. Temperature -0.1°F vs normal. U.S. year-to-date →

Normal (1996–2025)

48.8in
annual precipitation · 54.6°F

2025 vs Normal

80%
38.9" · 54.8°F (+0.2 vs normal)

Wettest Year

69.2in
2011

Driest Year

29.7in
1965

Biggest Rain Day

8.5in
Aug 28 · 2011

Warmest Year

56.6°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

32°
J
35°
F
42°
M
52°
A
62°
M
71°
J
77°
J
75°
A
68°
S
56°
O
46°
N
37°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

← All New Jersey countiesU.S. overview
WettestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved