The climate of Iselin

The current climate in Iselin features temperatures ranging from a high of 28°C to a low of 1°C throughout the year. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -7°C and in the warmer months around 18°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Iselin, Pennsylvania.

Temperature records

The highest temperature recorded in Iselin in recent years was 36°C in July 2020. The lowest daytime temperature recorded was -18°C in January 2014.

Precipitation and snowfall

On average, Iselin gets 1482 mm of precipitation each year. Of this, about 77 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

Best time to visit Iselin?

The best time to visit Iselin for mild to warm weather is April up to October. You might get some rain, but the temperatures are just right to explore Iselin.

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Climate Table of Iselin

The climate table of Iselin shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 1 5 8 15 22 26 28 27 24 17 10 5
Temp. min (°C) -6 -4 -1 5 12 16 18 18 14 8 1 -1
Precipitation
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Precipitation (mm) 83 128 100 160 184 184 120 130 99 110 83 101
Snow (cm) 23 20 16 3,9 0 0 0 0 0 0 4,0 11
UV Index 3 5 4 6 6 6 6 6 6 3 3 2

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Iselin, Pennsylvania. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Iselin

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Yearly Temperature in Iselin

Precipitation charts

These charts show the average amount of precipitation in Iselin, Pennsylvania. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Iselin

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Total Yearly Precipitation in Iselin

Average Snowfall per Month in Iselin

Total Yearly Snowfall in Iselin

UV index chart

This chart shows the average UV index per month in Iselin, Pennsylvania. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Iselin

Weather experiences in Iselin

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Average weather in Iselin by month

Click on a month below to see detailed weather info for Iselin. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.