Willow Grove Weather in August

Willow Grove in August sees high daytime temperatures of 29°C (84°F) and nighttime lows of 19°C (66°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Willow Grove in August

As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. Analyzing past climate data, one can expect approximately 11 days of rain, averaging 138 mm (5.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Willow Grove in August

If you're visiting Willow Grove in August, expect highs of 29°C (84°F) and overnight lows around 19°C (66°F). This kind of day-to-night contrast is typical for this time of year. 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.

Sunshine in Willow Grove in August

There are approximately 260 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in August

The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

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

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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 Willow Grove's climate page.

Willow Grove Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 29°C (84°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 37%  

Precipitation 138 mm (5.4 in)  

Rainy days 11 days  

Humidity 70% *  

Sunshine 260 hours *  

Percentage Sunshine 61% *  

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

What to Wear in Willow Grove 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. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Willow Grove 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 Willow Grove's climate page.

More climate data for Willow Grove

Temperature Rainfall Sunshine Humidity Water Temp

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