August Weather in Williamsport, United States

Last updated: June 24, 2025

In August, the average temperature in Williamsport, United States hovers around 23°C (74°F), making it a pleasant time to visit. Expect a minimum of 12°C (53°F) and a maximum of 35°C (95°F), offering a nice range for outdoor activities. However, be prepared for some rain, as 106 mm (4.2 in) of precipitation may occur over approximately 11 days. With an average humidity of 79%, it's wise to stay hydrated and enjoy the lush surroundings!

August Temperature in Williamsport

In August in Williamsport, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 12°C (53°F). This climate makes Williamsport an ideal destination for travelers seeking warm weather adventures and comfortable evening strolls.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (53°F).

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

August Precipitation in Williamsport

In Williamsport in August, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

August Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Williamsport, August typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Williamsport

In Williamsport in August, humidity is 79%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit less comfortable, urging travelers to seek shade and hydration throughout the day.

August Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Williamsport is approximately 79%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Williamsport

In Williamsport in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for August

The chart shows the monthly maximum UV Index (UVI) for Williamsport in August, 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 August, the maximum UV index in Williamsport typically reaches 9, which falls under the very high exposure category.

Data source: Williamsport August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	76 mm (3.0 inches)	85%	moderate
February Weather	0°C (32°F)	77 mm (3.1 inches)	85%	moderate
March Weather	6°C (42°F)	112 mm (4.4 inches)	86%	high
April Weather	11°C (52°F)	104 mm (4.1 inches)	87%	very high
May Weather	18°C (64°F)	151 mm (5.9 inches)	81%	very high
June Weather	23°C (74°F)	103 mm (4.0 inches)	82%	extreme
July Weather	25°C (77°F)	93 mm (3.7 inches)	81%	very high
August Weather	23°C (74°F)	106 mm (4.2 inches)	79%	very high
September Weather	21°C (70°F)	67 mm (2.6 inches)	78%	very high
October Weather	14°C (58°F)	116 mm (4.6 inches)	81%	high
November Weather	5°C (42°F)	76 mm (3.0 inches)	89%	moderate
December Weather	2°C (36°F)	61 mm (2.4 inches)	86%	low