Princeton Weather in July
With daytime temperatures of 31°C (88°F) and nighttime lows of 19°C (66°F), July in Princeton brings very high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Princeton in July
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 138 mm (5.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Princeton in July
If you're visiting Princeton in July, expect highs of 31°C (88°F) and overnight lows around 19°C (66°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.
Sunshine in Princeton in July
The city usually sees around 269 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you prefer dry days with pleasant temperatures, September typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Princeton's climate page.
Princeton Temperature in July
Min Temperature
19°C (66°F)
Max Temperature
31°C (88°F)
Chance of Rain
40%
Precipitation
138 mm (5.4 in)
Rainy days
12 days
Sunshine
269 hours *
Percentage Sunshine
59% *
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
perfect weather
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What to Wear in Princeton in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Princeton in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Princeton's climate page.
See the full Princeton climate overview or explore weather in the United States of America.
