Edison (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Edison.
Climate overview of Edison
Edison, New Jersey, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 5°C (41°F) in January.
With around 1222 mm (48 in) of annual rain/snowfall, Edison 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 June. The sunniest month is July, with 9.0 hours of sunshine per day on average.
Edison Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Edison - and find the best time to visit.
Monthly Temperature in Edison
Depending on the time of the year, temperatures range from very warm to chilly in Edison. 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 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 Edison
Edison has a relatively rain/snowy climate with high precipitation levels, averaging 1222 mm (48 in) of rain/snowfall annually. Edison experiences moderate seasonal variation in rainfall, with monthly averages ranging from 129 mm (5.1 in) in June, the wettest month, and 74 mm (2.9 in) in November, the driest month. For more details, please visit our Edison 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 Edison
Edison 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 Edison
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: February, March, September and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Edison
What is the best time to visit Edison?
May and September typically offer the most optimal weather in Edison. In contrast, January, February and December tend to have less optimal conditions. Edison has very warm summers and cold winters.
What temperatures can I expect in Edison?
Daytime highs range from 5°C (41°F) in January to 31°C (88°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 Edison get?
Annual rainfall is around 1222 mm (48 in). June is the wettest month with 129 mm (5.1 in), while November is the driest with 74 mm (2.9 in).
How sunny is Edison?
Edison 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, Edison enjoys abundant sunshine.
Edison 3-Day Forecast
Edison on the map
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