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Williamstown Weather in July

July in Williamstown typically sees daytime highs of 31°C (88°F) and nighttime lows of 20°C (68°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Williamstown in July

Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 116 mm (4.6 in) on average. 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 Williamstown in July

In July, Williamstown gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 20°C (68°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows of 20°C (68°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. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

Sunshine in Williamstown in July

With approximately 275 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Williamstown itself, May generally stands out with 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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Check the conditions for any month of the year.

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

Williamstown Temperature in July

Min TemperatureMin Temperature 20°C (68°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 34%  
PrecipitationPrecipitation 116 mm (4.6 in)  
Rainy daysRainy days 10 days  
HumidityHumidity 69% *  
SunshineSunshine 275 hours *  
Percentage SunshinePercentage Sunshine 61% *  
* Data from: Philadelphia, the United States of America (32 KM, 20 Miles).

Best Places in the United States of America in July

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Williamstown in July

Warm temperatures in July 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 Williamstown in July

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.

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

More climate data for Williamstown