Lawrenceville (NJ) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Lawrenceville.

Climate overview of Lawrenceville

Lawrenceville, New Jersey, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 4°C (39°F) in January.

With around 1268 mm (50 in) of annual rain/snowfall, Lawrenceville 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. July is the sunniest month, averaging 9.0 hours of sunshine per day.

Lawrenceville Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lawrenceville - and find the best time to visit.

Monthly Temperature in Lawrenceville

Depending on the time of the year, temperatures range from very warm to chilly in Lawrenceville. Average daytime temperatures reach a very warm 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).

At night, temperatures range from around 19°C (66°F) in July to -5°C (23°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Lawrenceville

Lawrenceville has a relatively rain/snowy climate with high precipitation levels, averaging 1268 mm (50 in) of rain/snowfall annually. Lawrenceville experiences moderate seasonal variation in rainfall, with monthly averages ranging from 136 mm (5.4 in) in July, the wettest month, and 76 mm (3 in) in February, the driest month. For more details, please visit our Lawrenceville Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Lawrenceville

Lawrenceville 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

Data from: Trenton, the United States of America (8 KM, 5 Miles).

Daily hours of sunshine

Data from: Trenton, the United States of America (8 KM, 5 Miles).

Best Time to Visit Lawrenceville

The best time to visit Lawrenceville is September, when the weather is at its most pleasant for sightseeing. January, February and December tend to be the least comfortable.

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
  • Climate seasons: very warm summers and cold winters
  • Best for winter weather: January, with freezing nights around -5°C (23°F).

Frequently asked questions about the climate in Lawrenceville

What is the best time to visit Lawrenceville?

September typically offers the most optimal weather in Lawrenceville. In contrast, January, February and December tend to have less optimal conditions. Lawrenceville has very warm summers and cold winters.

What temperatures can I expect in Lawrenceville?

Daytime highs range from 4°C (39°F) in January to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does Lawrenceville get?

Annual rainfall is around 1268 mm (50 in). July is the wettest month with 136 mm (5.4 in), while February is the driest with 76 mm (3 in).

How sunny is Lawrenceville?

Lawrenceville 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, Lawrenceville enjoys abundant sunshine.

Lawrenceville 3-Day Forecast

Lawrenceville (NJ) 3-Day Forecast

Lawrenceville on the map

Lawrenceville 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.