NOAA NCEI Climate Normals 1991–2020
New Jersey Weather by Month
Temperature, rain and the hurricane season at 40 New Jersey stations, month by month.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
The median station records 48.3 inches of precipitation a year; Long Branch-Oakhurst, NJ records the most, 52.4 inches, and Sussex Airport, NJ the least, 40.9 (1.3 times as much). July is the hottest month at the median station (average high 86°F); the hottest July is at Woodstown Pittsgrov 4E, NJ, 89°F. January is the coldest (average low 23°F); the coldest January nights are at Sussex 3 WNW, NJ, 17°F. Highs reach 90°F on 24 days a year at the median station and on 45 at Moorestown, NJ, the most. Snowfall is heaviest at Sussex 3 WNW, NJ, 38.7 inches a year.
This page compares the 1991–2020 NOAA climate normals of 40 New Jersey weather stations, each the nearest station with full normals to at least one of the 455 New Jersey cities on this site that have one within 25 miles.
At the median station, July is the wettest month (4.7 inches) and February the driest (2.9). Station by station, the wettest month is July at 18, August at 11 and June at 6 of the 40, and the driest February at 38, January at 1 and November at 1. The gap between the wettest and driest station is widest in December: 2.7 inches.
Month by month across New Jersey
High, low and precipitation are the median of the 40 stations; the station columns name the station with the highest average high, the lowest average low, and the most and least precipitation that month, each linked to the city page it serves. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Hurricane season in New Jersey
June to November, the hurricane season months, bring 53% of the year's precipitation at the median station, from 51% at Toms River, NJ to 56% at Sussex Airport, NJ. Since 1851, 84 tropical systems have passed within 75 miles of a New Jersey city on this site, 18 of them at hurricane strength at their closest point to one; September has brought the most (32), then August (20). 2 came outside June to November.
| Month | Tropical systems | At hurricane strength | Median precip. in |
|---|---|---|---|
| Jan | 0 | 0 | 3.5 |
| Feb | 0 | 0 | 2.9 |
| Mar | 0 | 0 | 4.3 |
| Apr | 0 | 0 | 3.8 |
| May | 2 | 0 | 3.8 |
| Jun | 7 | 0 | 4.4 |
| Jul | 6 | 0 | 4.7 |
| Aug | 20 | 5 | 4.5 |
| Sep | 32 | 10 | 4.2 |
| Oct | 15 | 3 | 4.2 |
| Nov | 2 | 0 | 3.4 |
| Dec | 0 | 0 | 4.4 |
Tropical systems from NOAA NHC HURDAT2 that passed within 75 miles of a New Jersey city on this site, each counted once, in the month of its first such pass; hurricane strength is the track's wind at its closest point to a city.
Coastal water temperature by month
Across 4 NOAA tide stations, the water is warmest in August (median 75°F, up to 78°F at Burlington, Delaware River, NJ) and coolest in January (median 39°F, down to 37°F at Burlington, Delaware River, NJ). No month averages 80°F at the median station.
| Station | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sandy Hook, NJ | 38 | 39 | 44 | 51 | 60 | 70 | 77 | 76 | 72 | 63 | 52 | 42 |
| Burlington, Delaware River, NJ | 37 | 37 | 45 | 54 | 64 | 73 | 80 | 78 | 72 | 62 | 50 | 39 |
| Atlantic City, NJ | 41 | 40 | 44 | 51 | 58 | 64 | 69 | 72 | 72 | 65 | 55 | 45 |
| Cape May, NJ | 40 | 40 | 47 | 53 | 60 | 69 | 73 | 75 | 74 | 66 | 54 | 44 |
°F, average of hourly readings 2021–2025; a month counts when at least three years have half their hours on record. Source: NOAA Tides & Currents; the newest readings are preliminary.
New Jersey cities and their stations
| City | Station | Miles | Hottest month high °F | Coldest month low °F | Year precip. in |
|---|---|---|---|---|---|
| Mount Laurel | Mt Holly S Jersey Airport, NJ | 3 | 87 | 25 | 42.9 |
| Pennsauken | Pennsauken 1N, NJ | 2 | 87 | 25 | 48.2 |
| Willingboro | Philadelphia/Mt Holly WFO, NJ | 4 | 85 | 23 | 46.0 |
| Delran | Philadelphia NE Airport, PA | 5 | 88 | 27 | 45.0 |
| Lodi | Teterboro Airport, NJ | 2 | 87 | 26 | 46.4 |
| Cranford | Cranford, NJ | 1 | 86 | 25 | 50.4 |
| Moorestown | Moorestown, NJ | 2 | 88 | 26 | 49.4 |
| Cinnaminson | Pennsauken 1N, NJ | 3 | 87 | 25 | 48.2 |
| Maple Shade | Moorestown, NJ | 1 | 88 | 26 | 49.4 |
| Metuchen | Plainfield, NJ | 5 | 88 | 24 | 48.7 |
| Cape May Court House | Cape May 2 NW, NJ | 10 | 86 | 29 | 43.9 |
| Oaklyn | Pennsauken 1N, NJ | 5 | 87 | 25 | 48.2 |
| Edgewater Park | Philadelphia NE Airport, PA | 5 | 88 | 27 | 45.0 |
| Township Of Washington | Teterboro Airport, NJ | 10 | 87 | 26 | 46.4 |
| West Deptford | Philadelphia International Airport, PA | 3 | 88 | 26 | 44.2 |
| Palmyra | Pennsauken 1N, NJ | 3 | 87 | 25 | 48.2 |
| Hainesport | Philadelphia/Mt Holly WFO, NJ | 2 | 85 | 23 | 46.0 |
How stations are matched to cities and what normals are: methodology · other states by month