Parsippany (NJ)
May
Weather in Parsippany, New Jersey for May 2026
Your guide to Parsippany weather in May - trends and predictions
The forecast for the next days in Parsippany predicts temperatures to be around 19 °F, close to the historical average.
In general, the average temperature in Parsippany at the beginning of May is 19.4 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.7 °F by the end of May.
Parsippany experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 402 mm.
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Temperatures
Rain 🌧️
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8
Dry days
23
Rainy days
0
Snow days
20°/12°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Parsippany Weather May
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Temperatures trend during May in Parsippany
See the weather trend as well as the moving average line
May weather in Parsippany day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Light drizzle | 17° /8° | 0.2 mm | 6 | |
| May 2 |  Overcast | 21° /10° | 0 mm | 7 | |
| May 3 |  Cloudy | 20° /11° | 5.9 mm | 6 | |
| May 4 | Overcast | 17° /9° | 6.6 mm | 5 | |
| May 5 |  Light rain shower | 18° /10° | 28 mm | 5 | |
| May 6 | Patchy rain possible | 24° /11° | 3.9 mm | 0.6 | |
| May 7 | Patchy rain possible | 19° /8° | 0.6 mm | 1.3 | |
| May 8 | Patchy rain possible | 19° /6° | 0.3 mm | 0.8 | |
| May 9 | Patchy rain possible | 16° /9° | 4.5 mm | 3 | |
| May 10 | Patchy rain possible | 23° /5° | 1.7 mm | 3 | |
| May 11 |  Mist | 17° /9° | 0.1 mm | 3 | |
| May 12 | Patchy rain possible | 20° /6° | 0.2 mm | 3 | |
| May 13 |  Partly cloudy | 24° /12° | 0 mm | 5 | |
| May 14 | Partly cloudy | 25° /14° | 0 mm | 5 | |
| May 15 |  Moderate rain | 15° /11° | 12 mm | 3 | |
| May 16 | Patchy rain possible | 19° /8° | 0.5 mm | 3 | |
| May 17 | Patchy rain possible | 15° /7° | 1.2 mm | 3 | |
| May 18 | Patchy rain possible | 13° /7° | 1.2 mm | 2 | |
| May 19 | Patchy rain possible | 16° /6° | 0.1 mm | 3 | |
| May 20 |  Sunny | 21° /9° | 0 mm | 6 | |
| May 21 | Sunny | 20° /11° | 25.7 mm | 5 | |
| May 22 | Sunny | 20° /11° | 19.1 mm | 5 | |
| May 23 | Light rain shower | 20° /12° | 2.5 mm | 5 | |
| May 24 | Sunny | 21° /10° | 0 mm | 6 | |
| May 25 | Overcast | 22° /12° | 0.7 mm | 5 | |
| May 26 | Light rain shower | 24° /13° | 2.6 mm | 5 | |
| May 27 | Light rain shower | 21° /14° | 8.4 mm | 5 | |
| May 28 | Fog | 20° /13° | 17.8 mm | 5 | |
| May 29 |  Patchy light rain with thunder | 23° /12° | 8.1 mm | 5 | |
| May 30 |  Moderate or heavy rain with thunder | 21° /13° | 22.3 mm | 5 | |
| May 31 | Cloudy | 21° /10° | 25.8 mm | 5 | |
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Important Notice
Our weather forecast for Parsippany 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 Parsippany forecast closer to your planned date for the most up-to-date weather information.
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Parsippany in May - FAQ
What are the expected maximum and minimum temperatures in Parsippany 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 Parsippany during May?
Significant rainfall exceeding 402 mm is expected in Parsippany during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Parsippany during May?
The average wind speed in Parsippany during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Parsippany
Explore the daily rainfall trends and prepare for Parsippanys May weather 💧
Typically, Parsippany has 23 rainy days in May with a total of 402 mm of rainfall.
UV exposure in Parsippany during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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