nomadseason

October Weather in Williamsport, United States

Last updated: June 24, 2025

The average temperature in Williamsport, United States during October hovers around 16°C (60°F), with minimums dipping to 1°C (34°F) and maximums soaring to 34°C (94°F). Expect precipitation of approximately 100 mm (3.9 in) spread over 9 days, and enjoy the average humidity of 80% that blankets the region.

October Temperature in Williamsport

In October in Williamsport, the average temperature is 16°C (60°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 1°C (34°F). Be sure to pack layers and sunscreen for your trip!

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

The chart illustrates October 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, October typically has an average temperature of 16°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec353945556573797670604539
Data source: Temperature data for Williamsport generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Williamsport

In Williamsport in October, the precipitation amount is 100 mm (3.9 in) spread over 9 days.

October Precipitation Trends in Williamsport

The chart displays monthly precipitation patterns in Williamsport, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Williamsport, October typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec619488104132100127981051008494
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Williamsport

In Williamsport in October, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.

October Average Humidity in Williamsport

This chart illustrates the average monthly humidity levels in Williamsport, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Williamsport is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Williamsport

In Williamsport in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Williamsport.

Maximum UV Index Levels in Williamsport for October

The chart shows the monthly maximum UV Index (UVI) for Williamsport in October, 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 October, the maximum UV index in Williamsport typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098743
Data source: Williamsport October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)61 mm (2.4 inches)86%moderate
February Weather4°C (39°F)94 mm (3.7 inches)86%moderate
March Weather7°C (45°F)88 mm (3.5 inches)86%high
April Weather13°C (55°F)104 mm (4.1 inches)84%very high
May Weather18°C (65°F)132 mm (5.2 inches)78%very high
June Weather23°C (74°F)100 mm (3.9 inches)79%very high
July Weather26°C (79°F)127 mm (5.0 inches)70%very high
August Weather25°C (77°F)98 mm (3.9 inches)59%very high
September Weather21°C (71°F)105 mm (4.1 inches)68%very high
October Weather16°C (60°F)100 mm (3.9 inches)80%high
November Weather7°C (45°F)84 mm (3.3 inches)86%moderate
December Weather4°C (39°F)94 mm (3.7 inches)85%moderate

Compare Williamsport's Climate with Cities Worldwide