New Jersey Climate and Average Weather
Climate of New Jersey: average temperatures, rainfall and seasons month by month.
Climate in New Jersey month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 37° | 25° | 3,3 in | ★★☆☆☆ |
| February | 41° | 26° | 2,6 in | ★★☆☆☆ |
| March | 56° | 37° | 4,9 in | ★★★☆☆ |
| April | 65° | 45° | 3,0 in | ★★★★☆ |
| May | 73° | 55° | 4,8 in | ★★★★☆ |
| June | 84° | 65° | 2,6 in | ★★★★☆ |
| July | 88° | 71° | 4,4 in | ★★★★☆ |
| August | 84° | 66° | 3,5 in | ★★★★☆ |
| September | 78° | 61° | 3,9 in | ★★★★☆ |
| October | 69° | 50° | 1,6 in | ★★★★☆ |
| November | 55° | 39° | 2,3 in | ★★★☆☆ |
| December | 44° | 30° | 4,6 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in New Jersey
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How New Jersey compares with nearby places
Annual averages, and the difference against New Jersey.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Philadelphia County | 28 mi | 56°F | about the same | 43 in |
| Philadelphia | 28 mi | 56°F | about the same | 43 in |
| ZIP Code 19103 | 29 mi | 56°F | about the same | 43 in |
| Philadelphia International Airport | 35 mi | 56°F | about the same | 44 in |
| Staten Island | 41 mi | 55°F | about the same | 48 in |
Climate by airport in New Jersey
1 airports mapped in this atlas
Best time to visit New Jersey
Go in June, July, August and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for New Jersey
Today is slightly cooler than average for August. The forecast high of 78°F is 5.8°F below the 84°F typical for this month.
A 16% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 80°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
New Jersey is a state in United States. New Jersey is a US state with its capital at Trenton. It has a population of about 9.3 million. The capital is Trenton.
Right now it is 68°F (20°C) in New Jersey with overcast. It feels like 72°F. Today runs from 67°F to 78°F. Chance of precipitation is 16%. Sightseeing conditions score 9.4/10 - excellent - go now.
The best time to visit New Jersey is June, July, August and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 88°F, while January is the coldest with lows near 25°F.
The closest major airport is Philadelphia International Airport (PHL), about 35 mi away. Nearby highlights include Statue of Liberty, Statue of Liberty (UNESCO World Heritage Site), Hudson River and Empire State Building.
In plain terms. Today is slightly cooler than average for August. The forecast high of 78°F is 5.8°F below the 84°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in New Jersey today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about New Jersey
| Type | State |
|---|---|
| Country | United States |
| Continent | North America |
| Coordinates | 40°13′14.2″N 74°45′34.9″W (40.2206, -74.7597) |
| Capital | Trenton |
| Population | 9.300.000 |
| Area | 8.722 sq mi |
| Abbreviation | NJ |
| Time zone | America/New_York |
| Local time | 5:20 PM (UTC-04:00) |
| Best months | June, July, August and October |
| Climate | Continental |
Weather map for New Jersey
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore New Jersey
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is New Jersey?
New Jersey is a state in United States. Its coordinates are 40.2206, -74.7597. It lies in North America.
What is the weather like in New Jersey right now?
It is currently 68°F (20°C) with overcast. Humidity is 91% and wind is 3 mph.
When is the best time to visit New Jersey?
June, July, August and October offer the most comfortable conditions in New Jersey, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is New Jersey in?
New Jersey observes America/New_York (UTC-04:00). The local time is 5:20 PM.
How many people live in New Jersey?
New Jersey has a population of approximately 9.3 million.
What is the nearest airport to New Jersey?
The closest airports are Philadelphia International Airport (PHL), 35 mi away, Newark Liberty International Airport (EWR), 45 mi away and John F. Kennedy International Airport (JFK), 59 mi away.
What are the top things to do in New Jersey?
Popular options include Statue of Liberty, Statue of Liberty (UNESCO World Heritage Site), Hudson River, Empire State Building, Times Square and Central Park.
What places are in New Jersey?
New Jersey covers 1 places in this atlas, including Newark Liberty International Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 5:20 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
