Princeton Weather in August

August in Princeton sees daytime temperatures around 29°C (84°F) and lows of 17°C (63°F) at night. With around 123 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Princeton in August

Climate statistics over the past 30 years suggest around 11 days of rain, with 123 mm (4.8 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Princeton in August

Daytime temperatures in Princeton reach 29°C (84°F) in August, dropping to 17°C (63°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Princeton in August

There are approximately 252 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, 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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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 August

Min Temperature 17°C (63°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 37%  

Precipitation 123 mm (4.8 in)  

Rainy days 11 days  

Sunshine 252 hours *  

Percentage Sunshine 59% *  

* Data from: Trenton, the United States of America (16 KM, 10 Miles).

What to Wear in Princeton in August

Warm but pleasant conditions in Princeton in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Princeton in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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.

More climate data for Princeton

Temperature Rainfall Sunshine

See the full Princeton climate overview or explore weather in the United States of America.