March Weather in Williamsport, United States

Last updated: June 24, 2025

In Williamsport, United States, the average temperature in March hovers around 6°C (42°F). Visitors can expect a temperature range from a brisk -17°C (1°F) to a comfortable 25°C (77°F). With an average precipitation of 112 mm (4.4 in) spread over 12 days, the atmosphere remains quite humid, with an average humidity level of 86%. Make sure you're prepared for varying weather as you explore this unique destination!

March Temperature in Williamsport

In March in Williamsport, the average temperature is 6°C (42°F). Maximum temperatures can reach 25°C (77°F), while the minimum can drop as low as -17°C (1°F). Be sure to pack layers to stay comfortable during your visit!

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

The chart illustrates March 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, March typically has an average temperature of 6°C (42°F), with highs reaching up to 25°C (77°F) and lows dropping to around -17°C (1°F).

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

March Precipitation in Williamsport

In Williamsport in March, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.

March Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Williamsport, March typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Williamsport

In Williamsport in March, humidity is 86%. With an average temperature of 6°C (42°F), this humidity feels like a chilly, damp embrace that can make outdoor activities feel uncomfortable and chilly, prompting travelers to seek shelter or warm clothing to stay cozy while exploring.

March Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Williamsport is approximately 86%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Williamsport

In Williamsport in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Williamsport, you can refer to this Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for March

The chart shows the monthly maximum UV Index (UVI) for Williamsport in March, 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 March, the maximum UV index in Williamsport typically reaches 6, which falls under the high exposure category.

Data source: Williamsport March 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 March 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 March’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 March’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