Princeton (NJ)
May
Weather in Princeton, New Jersey for May 2027
Your guide to Princeton weather in May - trends and predictions
In general, the average temperature in Princeton at the beginning of May is 19.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.1 °C by the end of May.
The climate of Princeton in May is notably wet, with an average of 14 rainy days, and a total of 262.8 mm of precipitation.
Is May a good time to visit Princeton? check out the best time to travel to Princeton page.
✨ Is May a good time to visit Princeton? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
17
Dry days
14
Rainy days
0
Snow days
20°/12°
Temperatures
18 km/h
Avg max wind
75 %
Avg humidity
Princeton Weather May
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Temperatures trend during May in Princeton
See the weather trend as well as the moving average line
May weather in Princeton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 17° /8° | 0.2 mm | 6 | |
| May 2 | Cloudy | 21° /10° | 0.2 mm | 6 | |
| May 3 |  Patchy rain possible | 20° /11° | 1.1 mm | 7 | |
| May 4 |  Light rain | 19° /11° | 4.1 mm | 6 | |
| May 5 |  Moderate rain | 19° /12° | 17 mm | 5 | |
| May 6 | Moderate rain | 19° /14° | 22.4 mm | 4 | |
| May 7 | Light rain | 20° /12° | 5.2 mm | 6 | |
| May 8 |  Patchy light rain with thunder | 22° /12° | 4.8 mm | 7 | |
| May 9 |  Heavy rain | 16° /10° | 40.4 mm | 4 | |
| May 10 | Light rain | 19° /9° | 5.2 mm | 6 | |
| May 11 | Patchy rain possible | 17° /9° | 0 mm | 5 | |
| May 12 | Light rain | 17° /8° | 2.7 mm | 6 | |
| May 13 | Patchy rain possible | 21° /10° | 2.2 mm | 5 | |
| May 14 | Moderate rain | 17° /12° | 21.1 mm | 4 | |
| May 15 | Light drizzle | 18° /12° | 1 mm | 5 | |
| May 16 | Light rain | 21° /12° | 2.8 mm | 6 | |
| May 17 |  Overcast | 25° /16° | 0.7 mm | 7 | |
| May 18 |  Partly cloudy | 25° /15° | 0 mm | 7 | |
| May 19 | Patchy rain possible | 26° /14° | 0.1 mm | 7 | |
| May 20 | Light rain | 24° /12° | 3.6 mm | 6 | |
| May 21 | Moderate rain | 20° /12° | 23.8 mm | 5 | |
| May 22 | Light rain | 20° /12° | 9.5 mm | 6 | |
| May 23 | Light rain | 17° /11° | 5.8 mm | 4 | |
| May 24 | Light rain | 19° /11° | 9.3 mm | 4 | |
| May 25 | Patchy rain possible | 22° /11° | 1.3 mm | 4 | |
| May 26 | Light rain | 25° /14° | 2.9 mm | 7 | |
| May 27 | Light rain | 22° /15° | 9.9 mm | 5 | |
| May 28 | Moderate rain | 21° /14° | 13.4 mm | 7 | |
| May 29 | Light rain | 23° /12° | 3.6 mm | 7 | |
| May 30 | Heavy rain | 20° /13° | 28.2 mm | 7 | |
| May 31 | Moderate rain | 22° /10° | 20.1 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Princeton in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Princeton forecast closer to your planned date for the most up-to-date weather information.
Change Month
Princeton in May - FAQ
What are the expected maximum and minimum temperatures in Princeton during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Princeton during May?
Significant rainfall exceeding 262.8 mm is expected in Princeton during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Princeton during May?
The average wind speed in Princeton during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Princeton
Explore the daily rainfall trends and prepare for Princetons May weather 💧
Typically, Princeton has 14 rainy days in May with a total of 262.8 mm of rainfall.
UV exposure in Princeton during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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