Harriman Weather in August

August in Harriman typically sees daytime highs of 31°C (88°F) and nighttime lows of 19°C (66°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Harriman in August

Past climate data indicates that roughly 12 days will see rain, totalling around 99 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Harriman in August

Temperatures in Harriman in August top out at 31°C (88°F) and drop to 19°C (66°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. While these temperatures are averages, expect some days to be hotter. Choose light, airy clothing to handle the warmth effectively.

Sunshine in Harriman in August

The month enjoys around 277 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer enjoying temperate temperatures and rain-free days, October 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 Harriman's climate page.

Harriman Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 39%  

Precipitation 99 mm (3.9 in)  

Rainy days 12 days  

Humidity 76% *  

Sunshine 277 hours *  

Percentage Sunshine 67% *  

* Data from: Knoxville, the United States of America (56 KM, 35 Miles).

What to Wear in Harriman 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Harriman 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

8/10

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 Harriman's climate page.

More climate data for Harriman

Temperature Rainfall Sunshine Humidity

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