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July Weather in Johnson City, United States

Last updated: June 24, 2025

In Johnson City, United States, the average temperature in July is a pleasant 21°C (69°F). However, prepare for a temperature range where it can drop to a minimum of 9°C (49°F) or peak at a sizzling 38°C (101°F). During this month, expect 7 mm (0.3 in) of precipitation spread over about 2 days, and enjoy the relatively high average humidity at 82%. Make sure to pack accordingly!

July Temperature in Johnson City

In July in Johnson City, the average temperature is 21°C (69°F). The maximum can reach 38°C (101°F), while the minimum can be as low as 9°C (49°F). This range makes Johnson City an ideal destination for travelers seeking warm weather with some cool evenings to enjoy.

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

The chart illustrates July 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, July typically has an average temperature of 21°C (69°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec414146515864697064534641
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.

July Precipitation in Johnson City

In Johnson City in July, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

July Precipitation Trends in Johnson City

The chart displays monthly precipitation patterns in Johnson City, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Johnson City, July typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec203228161142715971083155207233
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Johnson City

In Johnson City in July humidity is 82%. With an average temperature of 21°C (69°F), this humidity feels like a sweltering embrace, making outdoor activities feel more strenuous and prompting travelers to seek shade and cooling breezes.

July Average Humidity in Johnson City

This chart illustrates the average monthly humidity levels in Johnson City, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Johnson City is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Johnson City

In Johnson City in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Johnson City.

Maximum UV Index Levels in Johnson City for July

The chart shows the monthly maximum UV Index (UVI) for Johnson City in July, 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 July, the maximum UV index in Johnson City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356991087532
Data source: Johnson City July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)203 mm (8.0 inches)85%low
February Weather5°C (41°F)227 mm (9.0 inches)84%moderate
March Weather8°C (46°F)161 mm (6.3 inches)85%moderate
April Weather11°C (51°F)142 mm (5.6 inches)83%high
May Weather14°C (58°F)71 mm (2.8 inches)83%very high
June Weather18°C (64°F)59 mm (2.3 inches)83%very high
July Weather21°C (69°F)7 mm (0.3 inches)82%very high
August Weather21°C (70°F)10 mm (0.4 inches)74%very high
September Weather18°C (64°F)83 mm (3.3 inches)71%high
October Weather11°C (53°F)155 mm (6.1 inches)81%moderate
November Weather8°C (46°F)207 mm (8.1 inches)87%moderate
December Weather5°C (41°F)233 mm (9.2 inches)87%low

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