Swedesboro (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Swedesboro.
Climate overview of Swedesboro
Swedesboro, 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).
Rain/snowfall is high, totalling around 1267 mm (50 in) per year. June is the wettest month and November the driest. The city also experiences very warm summers and cold winters. The most sunshine falls in July, with an average of 9.2 hours of daily sunshine.
Swedesboro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Swedesboro - and find the best time to visit.
Monthly Temperature in Swedesboro
Visitors to Swedesboro can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 5°C (41°F) during cooler months like January.
At night, you can expect temperatures ranging from 21°C (70°F) in July to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Swedesboro
Swedesboro is known for its substantial rain/snowfall, with annual precipitation reaching 1267 mm (50 in). While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 139 mm (5.5 in) of precipitation, spread over 13 rainy days.
In contrast, the driest month November experiences a drier climate, with about 75 mm (3 in) of rainfall spread across 10 rainy days. For more details, please visit our Swedesboro 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 Swedesboro
Seasonal changes in sunshine hours are quite dramatic in Swedesboro. While July receives considerable daily sunshine with up to 9.2 hours, December marks the darkest time of the year, where sunshine is scarce 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
Humidity in Swedesboro by Month
The relative humidity is high throughout the year in Swedesboro.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Swedesboro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July
- Most sunshine: June and July
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Swedesboro
What is the best time to visit Swedesboro?
May typically offers the most optimal weather in Swedesboro. In contrast, January, February and December tend to have less optimal conditions. Swedesboro has very warm summers and cold winters.
What temperatures can I expect in Swedesboro?
Daytime highs range from 5°C (41°F) in January to 31°C (88°F) in July. Nighttime lows range from -3°C (27°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Swedesboro get?
Annual rainfall is around 1267 mm (50 in). June is the wettest month with 139 mm (5.5 in), while November is the driest with 75 mm (3 in).
How sunny is Swedesboro?
Swedesboro receives around 2,500 hours of sunshine per year. July is the sunniest month with 275 hours, while December is the cloudiest with just 140 hours. Overall, Swedesboro enjoys abundant sunshine.
Swedesboro 3-Day Forecast
Swedesboro (NJ) 3-Day Forecast
Swedesboro on the map
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