What’s the climate like in 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.
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.
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.
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.
- Average yearly temperature: 19°C
- Highest temperature: 31°C in July
- Lowest temperature: 5°C in January
- Precipitation*: 1901 mm per year, averaging 158 mm per month
- Snowfall: 36 cm per year
- Driest months: 72 mm in February, 111 mm in January and 124 mm in June
- Wettest months: 243 mm in July, 216 mm in October and 179 mm in April
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Iselin
This graph shows the average maximum temperatures per month in Iselin, New Jersey. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Iselin
This graph shows how much rainfall Iselin, New Jersey, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in Iselin
This graph shows how much snow Iselin, New Jersey, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Iselin
This graph 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.
Yearly Temperature in Iselin
This graph shows the average yearly temperature in Iselin, New Jersey. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Iselin
This chart shows the total yearly precipitation in Iselin, New Jersey, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Iselin
This chart shows the total yearly snowfall in Iselin, New Jersey, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
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.
