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

Is January a good time to explore Iselin weather-wise? Use this page to get an overview of the month’s weather conditions.

Temperatures

In January, Iselin typically experiences low temperatures and moderate snow/rainfall. January is part of the winter season. You can expect daytime temperatures to reach around 5°C, while the nights will see a decline to about -5°C. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.

Precipitation

Iselin in January usually receives moderate snow/rainfall, averaging around 88 mm for the month. Snow/rain is expected on roughly 10 days.

Average sunshine

The area enjoys a balanced 161 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Iselin. September generally stands out with 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 January

Min Temperature -5°C  

Max Temperature 5°C  

Chance of Rain 33%  

Precipitation 88 mm  

Rainy days 10 days  

Humidity 61% *  

Sunshine 161 hours *  

Percentage Sunshine 54% *  

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

Where to go in the United States of America in January

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?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

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

Swimming

5/10

Cycling

3/10

Walking

3/10

Camping

1/10

Outdoor sports

3/10

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.