Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
July verdict
Princeton, New Jersey, United States in July
Weather score74Very good
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 8.7h per day, so bright days are a strong part of the month. Rainfall averages 126mm, so some wet days are possible.
July weather
Monthly averages
Temp
30°C
Rain
126mm
Sun
8.7h
Sea
23°C
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 126mm, so some wet days are possible.
Bright
Sunshine averages 8.7h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Princeton, New Jersey, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July30°C average high
July is one of Princeton's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July126mm average rain
July is one of Princeton's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July8.7 hours average sun
July is one of Princeton'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.
Sea temperature
July23°C average sea
July is one of Princeton's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
July74 weather score
July is one of Princeton'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.
