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October Weather in Johnson City, United States

Last updated: June 24, 2025

In Johnson City, United States, the average temperature in October hovers around 12°C (54°F). However, temperatures can range from a brisk -1°C (30°F) to a warm 26°C (80°F). Expect about 135 mm (5.3 in) of precipitation spread over 13 days, contributing to an average humidity level of 79%.

October Temperature in Johnson City

In October in Johnson City, the average temperature is 12°C (54°F). Maximums can reach 26°C (80°F), while minimums can drop as low as -1°C (30°F). This variation in temperature makes it essential to pack layers when traveling during this month.

October Weather in Johnson City: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Johnson City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnson City, October typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (80°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec262935465867727063543932
Data source: Temperature data for Johnson City 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 Johnson City

In Johnson City in October, the precipitation amount is 135 mm (5.3 in) over the course of 13 days.

October Precipitation Trends in Johnson City

The chart displays monthly precipitation patterns in Johnson City, 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 Johnson City, October typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec738989120131103121108951359288
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Johnson City

In Johnson City in October, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

October Average Humidity in Johnson City

This chart illustrates the average monthly humidity levels in Johnson City, 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 Johnson City 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 Johnson City

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

Maximum UV Index Levels in Johnson City for October

The chart shows the monthly maximum UV Index (UVI) for Johnson City 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 Johnson City typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Johnson City 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 Johnson City Compares to Other Months

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

This table compares monthly weather conditions in Johnson City, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)73 mm (2.9 inches)87%moderate
February Weather-2°C (29°F)89 mm (3.5 inches)85%moderate
March Weather2°C (35°F)89 mm (3.5 inches)85%high
April Weather8°C (47°F)120 mm (4.7 inches)83%very high
May Weather14°C (58°F)131 mm (5.1 inches)75%very high
June Weather19°C (67°F)103 mm (4.1 inches)73%very high
July Weather22°C (72°F)121 mm (4.8 inches)65%very high
August Weather21°C (70°F)108 mm (4.2 inches)62%very high
September Weather17°C (64°F)95 mm (3.7 inches)66%very high
October Weather12°C (54°F)135 mm (5.3 inches)79%high
November Weather4°C (39°F)92 mm (3.6 inches)87%moderate
December Weather0°C (32°F)88 mm (3.5 inches)85%low

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