The weather in June in Iselin

It's warm in June in Iselin with an average temperature of 25°C. Temperatures this month range from a low of 23°C to a high of 29°C. At night, you can expect temperatures between 13°C and 19°C.

Looking for sun? June isn’t a good month to be in Iselin. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in June for Iselin, Pennsylvania. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 33°C in 2021, Iselin reached the highest temperature in June over the past 10 years. The lowest daytime temperature in this month was 14°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 22°C.

Rainfall amount

In June, there is an average of 232 mm of precipitation, spread over 22 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in June for Iselin

Click on any day in June to get detailed info about the usual weather on that day in Iselin. Check out the historical temperatures and precipitation over the past 10 years on this day.

June weather comparison

  Iselin New York
Average temperature 25°C 27°C
Max. temperature 29°C 31°C
Min. temperature 13°C -5°C
Total precipitation 232 mm 78 mm
Rainy days 22 days 11 days

Start of June

The month of June starts in Iselin with warm temps, averaging around 25°C during the day and nights around 15°C.

Mid June

By mid-June, daytime temps rise to around 26°C, with nights around 17°C. There’s a high chance of precipitation during this time.

End of June

By the end of June, the average daytime temperature in Iselin is around 27°C, while nighttime temps are about 17°C. There’s a significant chance of many days with precipitation.

Find affordable trips to Iselin

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Iselin for all months and discover the best travel time

Temperature charts

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

Daily Temperature in June in Iselin

Temperature in June in Iselin over the years

Precipitation charts

These charts show the average amount of precipitation in June 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.

Daily Precipitation in June in Iselin

Total precipitation in June in Iselin over the years

Daily UV index in June in Iselin

This chart shows the average daily UV index in June in Iselin, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in June 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.