Iselin weather in May (New Jersey, United States of America)

What kind of weather does May bring to Iselin? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

May in Iselin generally includes high temperatures and high rainfall. Anticipate daytime temperatures around 23°C, while night temperatures can drop to 11°C.

Precipitation

Iselin in May usually receives high rainfall, averaging around 100 mm for the month. Historically, the month has about 13 days of rain.

Average sunshine

There are approximately 258 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you prefer dry days with pleasant temperatures, September typically offers the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Iselin climate page with graphs.

 

Iselin, monthly averages in May

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 43%  

Precipitation 100 mm  

Rainy days 13 days  

Humidity 62% *  

Sunshine 258 hours *  

Percentage Sunshine 57% *  

* Data from: New York City, the United States of America (41 KM, 25 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Iselin, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Iselin.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.