nomadseason

October Weather in South Williamsport, United States

Last updated: June 24, 2025

In South Williamsport, United States, the average temperature in October hovers around 13°C (55°F). Expect a wide range, with minimums dipping to -1°C (30°F) and maximums soaring to 29°C (85°F). During this month, prepare for 135 mm (5.3 in) of precipitation over approximately 12 days, and keep in mind the average humidity level, which stays around 79%.

October Temperature in South Williamsport

In October in South Williamsport, the average temperature is 13°C (55°F). Maximum temperatures can reach 29°C (85°F), while the minimum can drop as low as -1°C (30°F). This varied climate offers travelers the chance to enjoy both warm and cool experiences, making it essential to pack accordingly.

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

The chart illustrates October temperature patterns in South Williamsport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Williamsport, October typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec283138496068747265554034
Data source: Temperature data for South 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 South Williamsport

In South Williamsport in October, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

October Precipitation Trends in South Williamsport

The chart displays monthly precipitation patterns in South 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 South Williamsport, October typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec7499891151371051461131211359794
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in South Williamsport

In South Williamsport in October humidity is 79%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that permeates clothing, making outdoor activities slightly uncomfortable and prompting travelers to seek shelter or dress in layers to stay warm while adjusting to the moist air.

October Average Humidity in South Williamsport

This chart illustrates the average monthly humidity levels in South 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 South Williamsport is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%85%83%75%74%65%62%66%79%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in South Williamsport

In South Williamsport in October, 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 South Williamsport, you can refer to this Hourly UV Index in South Williamsport.

Maximum UV Index Levels in South Williamsport for October

The chart shows the monthly maximum UV Index (UVI) for South 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 South Williamsport typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: South 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 South Williamsport Compares to Other Months

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

This table compares monthly weather conditions in South Williamsport, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)74 mm (2.9 inches)87%moderate
February Weather-1°C (31°F)99 mm (3.9 inches)85%moderate
March Weather3°C (38°F)89 mm (3.5 inches)85%high
April Weather9°C (49°F)115 mm (4.5 inches)83%very high
May Weather15°C (60°F)137 mm (5.4 inches)75%very high
June Weather20°C (68°F)105 mm (4.1 inches)73%very high
July Weather23°C (74°F)146 mm (5.8 inches)65%very high
August Weather22°C (72°F)113 mm (4.4 inches)62%very high
September Weather18°C (65°F)121 mm (4.8 inches)66%very high
October Weather13°C (55°F)135 mm (5.3 inches)79%high
November Weather5°C (40°F)97 mm (3.8 inches)87%moderate
December Weather1°C (34°F)94 mm (3.7 inches)85%low

Compare South Williamsport's Climate with Cities Worldwide