Weathermondo.com
United StatesThe weather in July in Iselin
It's warm in July in Iselin with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 30°C. At night, you can expect temperatures between 16°C and 20°C.
Looking for sun? July 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 July 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 36°C in 2020, Iselin reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 17°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 24°C.
Rainfall amount
In July, there is an average of 120 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in July for Iselin
Click on any day in July 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.
July weather comparison
| Iselin | New York | |
|---|---|---|
| Average temperature | 28°C | 31°C |
| Max. temperature | 30°C | 33°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 120 mm | 160 mm |
| Rainy days | 15 days | 18 days |
Start of July
The month of July starts in Iselin with hot temps, averaging around 28°C during the day and nights around 19°C.
Mid July
By mid-July, daytime temps rise to around 29°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of July
By the end of July, the average daytime temperature in Iselin is around 28°C, while nighttime temps are about 18°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 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 July in Iselin, Pennsylvania. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in July in Iselin
Temperature in July in Iselin over the years
Precipitation charts
These charts show the average amount of precipitation in July 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 July in Iselin
Total precipitation in July in Iselin over the years
Daily UV index in July in Iselin
This chart shows the average daily UV index in July 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 July 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.