Roslyn Weather in August

In Roslyn, August brings high daytime temperatures around 29°C (84°F), with nights cooling to 19°C (66°F). Expect quite a bit of rainfall this month.

Rainfall in Roslyn in August

You can typically expect 10 days of rain this month, averaging around 114 mm (4.5 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Roslyn in August

Daytime temperatures in Roslyn reach 29°C (84°F) in August, dropping to 19°C (66°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Roslyn in August

The days are predominantly sunny, with an estimated total of around 270 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Roslyn in August

Average wind conditions reach 5 m/s (10 knots) in August. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in August

At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Roslyn.

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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 Roslyn's climate page.

Roslyn Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 29°C (84°F)  

Water Temperature 23°C (73°F) *  

Chance of Rain 33%  

Precipitation 114 mm (4.5 in)  

Rainy days 10 days  

Humidity 66% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 270 hours *  

Percentage Sunshine 63% *  

* Data from: New York City, the United States of America (21 KM, 13 Miles).

What to Wear in Roslyn in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 23°C (73°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Roslyn 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 Roslyn's climate page.

More climate data for Roslyn

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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