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April Weather in Johnson City, United States

Last updated: June 24, 2025

In April, the average temperature in Johnson City, United States hovers around 8°C (47°F). Expect a range of temperatures, with a minimum of -5°C (22°F) and reaching up to a maximum of 26°C (79°F). During this month, rainfall typically measures 120 mm (4.7 in) spread over 15 days, contributing to an average humidity of 83%.

April Temperature in Johnson City

In April in Johnson City, the average temperature is 8°C (47°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -5°C (22°F). This varied climate makes Johnson City a destination for travelers who enjoy experiencing a wide range of temperatures and conditions.

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

The chart illustrates April 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, April typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -5°C (22°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.

April Precipitation in Johnson City

In Johnson City in April, the precipitation amount is 120 mm (4.7 in) spread over 15 days.

April Precipitation Trends in Johnson City

The chart displays monthly precipitation patterns in Johnson City, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Johnson City, April typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec738989120131103121108951359288
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Johnson City

In Johnson City in April humidity is 83%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and leaving you yearning for warmth and dryness as you explore.

April Average Humidity in Johnson City

This chart illustrates the average monthly humidity levels in Johnson City, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Johnson City is approximately 83%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Johnson City

In Johnson City in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Johnson City.

Maximum UV Index Levels in Johnson City for April

The chart shows the monthly maximum UV Index (UVI) for Johnson City in April, 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 April, the maximum UV index in Johnson City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910101098642
Data source: Johnson City April 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 April 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 April’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 April’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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