Williamsport Weather in July

July in Williamsport typically sees daytime highs of 30°C (86°F) and nighttime lows of 17°C (63°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Williamsport in July

It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Looking at the last 30 years, the data shows about 12 days with rain, averaging 108 mm (4.3 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 Williamsport in July

July in Williamsport brings high temperatures, with highs of 30°C (86°F) and nights around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. It's the warmest month of the year on average, so summer clothing is the way to go.

If your ideal day consists of dry skies and pleasant temperatures, May, June, August and September typically offer the best circumstances for Williamsport.