Iselin Weather in August

Thinking of visiting Iselin in August? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 18°C (64°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Iselin in August

You can expect rain on around 12 days based on historical patterns, with 119 mm (4.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Iselin in August

Daytime highs in Iselin in August reach 30°C (86°F), with nights around 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Iselin in August

The city usually sees around 270 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer dry days with pleasant temperatures, September typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Iselin's climate page.

Iselin Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 40%  

Precipitation 119 mm (4.7 in)  

Rainy days 12 days  

Humidity 66% *  

Sunshine 270 hours *  

Percentage Sunshine 63% *  

* Data from: New York City, the United States of America (41 KM, 25 Miles).

What to Wear in Iselin in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Iselin in August

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Iselin's climate page.

More climate data for Iselin

Temperature Rainfall Sunshine Humidity

See the full Iselin climate overview or explore weather in the United States of America.