United StatesThe climate of Iselin
The current climate in Iselin features temperatures ranging from a high of 31°C to a low of 5°C throughout the year. The average yearly temperature is around 19°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 22°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, New Jersey.
Temperature records
The highest temperature recorded in Iselin in recent years was 38°C in July 2022. The lowest daytime temperature recorded was -10°C in January 2018.
Precipitation and snowfall
On average, Iselin gets 1901 mm of precipitation each year. Of this, about 36 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 | |
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| Temp. max (°C) | 5 | 7 | 10 | 17 | 23 | 28 | 31 | 30 | 26 | 20 | 12 | 8 |
| Temp. min (°C) | -3 | -1 | 1 | 7 | 13 | 18 | 22 | 21 | 17 | 11 | 4 | 1 |
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| Precipitation (mm) | 111 | 72 | 147 | 179 | 150 | 124 | 243 | 162 | 174 | 216 | 177 | 146 |
| Snow (cm) | 11 | 6,5 | 14 | 1,2 | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 3,0 |
| UV Index | 3 | 3 | 6 | 7 | 6 | 8 | 8 | 8 | 6 | 5 | 4 | 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, New Jersey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Iselin
Yearly Temperature in Iselin
Precipitation charts
These charts show the average amount of precipitation in Iselin, New Jersey. 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
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, New Jersey. 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.