June Weather in Williamsport, United States

Last updated: June 24, 2025

In June, the average temperature in Williamsport, United States hovers around 23°C (74°F). Expect a range with minimums dipping to 10°C (50°F) and maximums reaching 35°C (94°F). You might encounter about 103 mm (4.0 in) of precipitation over approximately 11 days, contributing to an average humidity level of 82%. Stay prepared for a mix of warm days and occasional rain!

June Temperature in Williamsport

In June in Williamsport, the average temperature is 23°C (74°F). Maximums can reach 35°C (94°F) and minimums can drop as low as 10°C (50°F). This range makes it a great time to explore Williamsport, offering warm days for outdoor activities and cooler evenings for relaxation.

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

The chart illustrates June 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, June typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (94°F) and lows dropping to around 10°C (50°F).

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

June Precipitation in Williamsport

In Williamsport in June, the total precipitation amount is 103 mm (4.0 in), occurring over the course of 11 days.

June Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Williamsport, June typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Williamsport

In Williamsport in June, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

June Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Williamsport is approximately 82%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Williamsport

In Williamsport in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for June

The chart shows the monthly maximum UV Index (UVI) for Williamsport in June, 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 June, the maximum UV index in Williamsport typically reaches 11, which falls under the extreme exposure category.

Data source: Williamsport June 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 June 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 June’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 June’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