Cranbury (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cranbury.
Climate overview of Cranbury
Cranbury, New Jersey, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 5°C (41°F).
With around 1263 mm (50 in) of annual rain/snowfall, Cranbury has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has very warm summers and cold winters. The wettest month is July. The most sunshine falls in July, with an average of 9.0 hours of daily sunshine.
Cranbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cranbury - and find the best time to visit.
Monthly Temperature in Cranbury
Visitors to Cranbury can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 18°C (64°F) in July to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cranbury
Cranbury is known for its substantial rain/snowfall, with annual precipitation reaching 1263 mm (50 in). Cranbury experiences moderate seasonal variation in rainfall, with monthly averages ranging from 135 mm (5.3 in) in July, the wettest month, and 75 mm (3 in) in February, the driest month. For more details, please visit our Cranbury Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Cranbury
Cranbury can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Cranbury
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: February, March, September and November
- Climate seasons: very warm summers and cold winters
- Best for winter weather: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Cranbury
What is the best time to visit Cranbury?
September typically offers the most optimal weather in Cranbury. In contrast, January, February and December tend to have less optimal conditions. Cranbury has very warm summers and cold winters.
What temperatures can I expect in Cranbury?
Daytime highs range from 5°C (41°F) in January to 31°C (88°F) in July. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Cranbury get?
Annual rainfall is around 1263 mm (50 in). July is the wettest month with 135 mm (5.3 in), while February is the driest with 75 mm (3 in).
How sunny is Cranbury?
Cranbury receives around 2,502 hours of sunshine per year. July is the sunniest month with 269 hours, while December is the cloudiest with just 140 hours. Overall, Cranbury enjoys abundant sunshine.
Cranbury 3-Day Forecast
Cranbury (NJ) 3-Day Forecast
Cranbury on the map
Cranbury is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.