Historic Nassau Street architecture in Princeton

Weather · May

Princeton weather in May

Average highs of 72°F, lows of 52°F and 4.0 in of rain, from 30 years of weather records.

May is Princeton’s 5th warmest month, with average highs of 72°F and lows of 52°F. That is 10° warmer than April, and 9° above the yearly average high.

Average high
72°F
Average low
52°F
Precipitation
4.0 in
Wet days
12
Sunrise · sunset
5:42 AM · 8:07 PM

May across the year

  1. 40°24°Jan
  2. 43°26°Feb
  3. 51°33°Mar
  4. 63°42°Apr
  5. 72°52°May
  6. 81°61°Jun
  7. 86°67°Jul
  8. 84°65°Aug
  9. 77°58°Sep
  10. 66°46°Oct
  11. 55°36°Nov
  12. 44°29°Dec

High and low Rain

What to wear in May

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
  • Pack an umbrella or rain jacket: rain or snow falls on about 12 days this month.

May is good for

Around Princeton

View south up the Millstone River from the Old Lincoln Highway Bridge on the border of Princeton, Mercer County and South
2023-10-01 16 09 30 View south up the Millstone River from the Old Lincoln Highway Bridge on the border of Princeton, Mercer County and South Brunswick Township, Middlesex County in New JerseyFamartin · CC BY-SA 4.0
McCormick Hall, Princeton University Art Museum, Princeton University Campus, Princeton, New Jersey, USA
McCormick Hall, Princeton University Art Museum, Princeton University Campus, Princeton, New Jersey, USAGary Miotla · CC BY 3.0
Princeton Battle Field
Princeton Battle Field 01Christopher Muflam · CC BY-SA 4.0

See Princeton

A look around town before you go.

Things to do in New Jersey | Explore Princeton video thumbnail

THINGS TO DO · YOUTUBE SHORT

Things to do in New Jersey | Explore Princeton

A local activity Short shared by Papali Dash.

Watch on YouTube ↗

May compared with the months around it

MonthHighLowRain
April63°F42°F3.6 in
May72°F52°F4.0 in
June81°F61°F4.3 in

Planning a trip? See the best time to visit Princeton and today’s forecast.

Questions

How hot does it get in Princeton in May?

Average highs are 72°F and average lows 52°F, for a daily mean of 62°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Princeton in May?

May averages 4.0 in of precipitation over about 12 days with at least 0.01 in. It is the 5th wettest month of the year.

What time is sunset in Princeton in May?

Around mid-May the sun rises about 5:42 AM and sets about 8:07 PM, for roughly 14.4 hours of daylight.

Is May a good time to visit Princeton?

Yes. May is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, Trenton Mercer Co Ap station (9.7 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.

Princeton AI

Your Princeton local guide
Hey there!

I'm Princeton AI. Ask about neighborhood food, independent shops, local history or planning a visit.

AI recommendations may be inaccurate. Verify hours and prices. Questions are processed by Cloudflare. Privacy