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October Weather in Johnstown, United States

Last updated: June 24, 2025

In October, the average temperature in Johnstown, United States hovers around 11°C (52°F). While you may experience chilly days with a minimum of -2°C (28°F), temperatures can soar to a pleasant 26°C (80°F). Expect to face 158 mm (6.2 in) of precipitation over approximately 12 days, alongside an average humidity level of 81%. Stay prepared for a mix of weather during this month!

October Temperature in Johnstown

In October in Johnstown, the average temperature is 11°C (52°F), with maximums reaching 26°C (80°F) and minimums dropping as low as -2°C (28°F). This variation means travelers should be prepared for both warm and chilly conditions during their visit.

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

The chart illustrates October temperature patterns in Johnstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnstown, October typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (80°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec232633455766727063523729
Data source: Temperature data for Johnstown generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Johnstown

In Johnstown in October, the precipitation amount is 158 mm (6.2 in) over a span of 12 days.

October Precipitation Trends in Johnstown

The chart displays monthly precipitation patterns in Johnstown, 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 Johnstown, October typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec85101841291089812110090158105108
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Johnstown

In Johnstown in October humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

October Average Humidity in Johnstown

This chart illustrates the average monthly humidity levels in Johnstown, 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 Johnstown is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Johnstown

In Johnstown 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 Johnstown, you can refer to this Hourly UV Index in Johnstown.

Maximum UV Index Levels in Johnstown for October

The chart shows the monthly maximum UV Index (UVI) for Johnstown 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 Johnstown typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
Data source: Johnstown 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 Johnstown Compares to Other Months

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

This table compares monthly weather conditions in Johnstown, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)85 mm (3.3 inches)89%moderate
February Weather-3°C (26°F)101 mm (4.0 inches)88%moderate
March Weather0°C (33°F)84 mm (3.3 inches)86%high
April Weather7°C (45°F)129 mm (5.1 inches)84%very high
May Weather14°C (58°F)108 mm (4.2 inches)76%very high
June Weather19°C (66°F)98 mm (3.9 inches)72%very high
July Weather22°C (72°F)121 mm (4.7 inches)66%very high
August Weather21°C (70°F)100 mm (3.9 inches)64%very high
September Weather17°C (63°F)90 mm (3.5 inches)72%high
October Weather11°C (52°F)158 mm (6.2 inches)81%high
November Weather3°C (38°F)105 mm (4.1 inches)87%moderate
December Weather-2°C (29°F)108 mm (4.2 inches)84%low

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