Cool
Average highs are around 13°C, so pack for cooler days.
Weather Guide
Princeton, New Jersey, United States Average Monthly Weather
Weather score43Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.8h per day, and rainfall totals about 1183mm. Sea temperatures average 14°C across the year.
Annual weather
Annual averages
Temp
17°C
Rain
1183mm
Annual total
Sun
6.8h
Sea
14°C
Weather score
43
Mixed avg
Seasonal climate calendar
Trip feel
Showers
Rainfall averages 99mm, so some wet days are possible.
Limited sun
Sunshine averages 4.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Weather map
Compare Princeton, New Jersey, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
November13°C average high
November is on the cooler side of Princeton's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
November99mm average rain
November sits near Princeton's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
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
November4.8 hours average sun
November is one of Princeton's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
November13°C average sea
November is close to Princeton's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
Weather score
November24 weather score
November is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
