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Iselin weather in August (New Jersey, United States of America)

Planning a trip to Iselin in August? Here's what the weather might have in store during this month.

In August, Iselin generally has high temperatures and high rainfall. August falls within the summer season. Throughout the daytime, temperatures often hover around 30°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 18°C.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Iselin in August usually receives high rainfall, averaging around 119 mm for the month. When we look at the climate data from the last 30 years, we can expect around 12 days of rain.

With around 270 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If your ideal day consists of dry skies and moderate temperatures September generally stands out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Iselin climate page with graphs.

 

Iselin, monthly averages in August

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 119 mm  
Rainy daysRainy days 12 days  
HumidityHumidity 66% *  
SunshineSunshine 270 hours *  
Percentage SunshinePercentage Sunshine 63% *  
* Data from: New York City, the United States of America (41 KM, 25 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America in August and which places have the best weather conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Iselin in August?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in August.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Iselin.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.