United StatesAverage weather for New Jersey in May
It's warm in May in New Jersey with an average temperature of 23°C. Temperatures this month range from a low of 18°C to a high of 30°C. At night, you can expect temperatures between 8°C and 17°C.
Start of May
The month of May starts in New Jersey with mild temps, averaging around 21°C during the day and nights around 10°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid May
By mid-May, daytime temps rise to around 24°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in New Jersey is around 26°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended.
In May, there is an average of 150 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the South.
New Jersey in May |
New York | ||
|---|---|---|---|
 Average temperature |
23°C | 22°C | |
 Max. temperature |
30°C | 28°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
150 mm | 105 mm | |
| Rainy days |
7 days | 14 days | |
April
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is May a good time to visit New Jersey?
Looking for sun? May isn’t a good month to be in New Jersey. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 42°C in 2021, New Jersey reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 8°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 23°C.
Check out the climate of New Jersey for all months and discover the best travel time
The climate in New Jersey is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in New Jersey to get the full picture of the climate.
Daily Temperature in May in New Jersey
This chart shows the average daily high and low temperatures in May for New Jersey, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in New Jersey
The chart below shows the average daily precipitation in May for New Jersey, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 7 days of precipitation in New Jersey.
Daily UV index in May in New Jersey
This chart shows the average daily UV index in May in New Jersey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in New Jersey over the years
This chart shows the average temperature in May in New Jersey, measured in degrees Celsius, over the past few years.
Total precipitation in May in New Jersey over the years
This chart shows the average precipitation in May in New Jersey, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for New Jersey
Click on any day in May to get detailed info about the usual weather on that day in New Jersey. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in New Jersey
Have you been to New Jersey in May?
Share your weather experience in May in New Jersey.
Average weather in New Jersey by month
Click on a month below to see detailed weather info for New Jersey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of New Jersey for all months at once
