Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Best months: July, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.7h per day, and rainfall totals about 1231mm.

Annual averages
Temp
17°C
Rain
1231mm
Annual total
Sun
6.7h
Weather score
47
Mixed avg
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 118mm, so some wet days are possible.
Bright
Sunshine averages 8.3h per day, so bright days are a strong part of the month.
Map
Compare Edison, New Jersey, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August29°C average high
August is one of Edison's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August118mm average rain
August is wetter than Edison's yearly average, so flexible plans matter more.
Driest monthsJanuary to April, June, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August8.3 hours average sun
August is one of Edison's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
August76 weather score
August is one of Edison's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.