Princeton Weather in May

Thinking of visiting Princeton in May? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Princeton in May

Looking at the last 30 years, the data shows about 13 days with rain, averaging 106 mm (4.2 in) for the month. 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 May

Temperatures in Princeton in May top out at 23°C (73°F) and drop to 11°C (52°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Princeton in May

Expect a lot of sunshine this month, with about 248 hours of sun. These sunny conditions add to the overall experience.

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.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• 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 May

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 43%  

Precipitation 106 mm (4.2 in)  

Rainy days 13 days  

Sunshine 248 hours *  

Percentage Sunshine 56% *  

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

What to Wear in Princeton in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. 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 May

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

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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.