July Weather in Williamsport, United States

Last updated: June 24, 2025

In July, the average temperature in Williamsport, United States is a pleasant 25°C (77°F). Expect a range where the minimum can dip to 14°C (57°F), while the maximum may reach up to 34°C (94°F). Throughout the month, 109 mm (4.3 in) of precipitation is likely to fall over 12 days, contributing to a relatively high average humidity of 81%.

July Temperature in Williamsport

In July in Williamsport, the average temperature is 25°C (77°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 14°C (57°F). This pleasant climate makes Williamsport an ideal destination for outdoor activities and exploration during this time of year.

July Weather in Williamsport: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Williamsport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsport, July typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Williamsport generated using information from the Copernicus Climate Change Service.

July Precipitation in Williamsport

In Williamsport in July, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

July Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Williamsport, July typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Williamsport

In Williamsport in July, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

July Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Williamsport is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Williamsport

In Williamsport in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for July

The chart shows the monthly maximum UV Index (UVI) for Williamsport in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Williamsport typically reaches 10, which falls under the very high exposure category.

Data source: Williamsport July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Williamsport Compares to Other Months

Weather in Williamsport varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Williamsport, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Williamsport, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	81 mm (3.2 inches)	88%	moderate
February Weather	2°C (37°F)	109 mm (4.3 inches)	88%	moderate
March Weather	7°C (44°F)	123 mm (4.8 inches)	87%	high
April Weather	12°C (53°F)	126 mm (5.0 inches)	85%	very high
May Weather	18°C (65°F)	127 mm (5.0 inches)	81%	very high
June Weather	22°C (73°F)	130 mm (5.1 inches)	82%	very high
July Weather	25°C (77°F)	109 mm (4.3 inches)	81%	very high
August Weather	24°C (75°F)	91 mm (3.6 inches)	73%	very high
September Weather	21°C (70°F)	91 mm (3.6 inches)	73%	very high
October Weather	15°C (59°F)	102 mm (4.0 inches)	78%	high
November Weather	6°C (43°F)	96 mm (3.8 inches)	89%	moderate
December Weather	3°C (38°F)	104 mm (4.1 inches)	87%	moderate