Harrisburg Weather in August

During August, Harrisburg experiences high daytime temperatures of 29°C (84°F) and cooler nights around 18°C (64°F). Expect quite a bit of rainfall. Around 112 mm (4.4 in) is typical.

Rainfall in Harrisburg in August

Historically, the month has about 12 days of rain, averaging 112 mm (4.4 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Harrisburg in August

August in Harrisburg brings typical temperatures with highs around 29°C (84°F) and lows of 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Harrisburg in August

With approximately 285 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 Harrisburg's climate page.

Harrisburg Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 40%  

Precipitation 112 mm (4.4 in)  

Rainy days 12 days  

Humidity 72%  

Sunshine 285 hours  

Percentage Sunshine 67%  

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

What To Do in Harrisburg 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 Harrisburg's climate page.

More climate data for Harrisburg

Temperature Rainfall Sunshine Humidity

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