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April Weather in Chattanooga Valley, United States

Last updated: June 24, 2025

In April, the average temperature in Chattanooga Valley, United States settles at a comfortable 16°C (60°F). However, be prepared for a range, as temperatures can dip as low as -1°C (30°F) or soar up to 30°C (87°F). With 156 mm (6.2 in) of precipitation spread over 10 days, you'll want to pack an umbrella. The average humidity hovers around a muggy 82%, adding to the overall climate experience.

April Temperature in Chattanooga Valley

In April in Chattanooga Valley, the average temperature is 16°C (60°F), with maximums reaching 30°C (87°F) and minimums dropping as low as -1°C (30°F). It's a great time to visit for those who enjoy mild weather with the possibility of warm days and cool evenings.

April Weather in Chattanooga Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Chattanooga Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chattanooga Valley, April typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434854607076797874645046
Data source: Temperature data for Chattanooga Valley 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 Chattanooga Valley

In Chattanooga Valley in April, the total precipitation amount is 156 mm (6.2 in) over the course of 10 days.

April Precipitation Trends in Chattanooga Valley

The chart displays monthly precipitation patterns in Chattanooga Valley, 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 Chattanooga Valley, April typically receives around 156 mm (6.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec991711691569612010612110613372139
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Chattanooga Valley

In Chattanooga Valley in April humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.

April Average Humidity in Chattanooga Valley

This chart illustrates the average monthly humidity levels in Chattanooga Valley, 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 Chattanooga Valley is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chattanooga Valley

In Chattanooga Valley in April, 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 Chattanooga Valley.

Maximum UV Index Levels in Chattanooga Valley for April

The chart shows the monthly maximum UV Index (UVI) for Chattanooga Valley 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 Chattanooga Valley typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Chattanooga Valley 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 Chattanooga Valley Compares to Other Months

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

This table compares monthly weather conditions in Chattanooga Valley, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)99 mm (3.9 inches)87%moderate
February Weather9°C (48°F)171 mm (6.7 inches)87%high
March Weather12°C (54°F)169 mm (6.7 inches)85%very high
April Weather16°C (60°F)156 mm (6.2 inches)82%very high
May Weather21°C (70°F)96 mm (3.8 inches)83%extreme
June Weather24°C (76°F)120 mm (4.7 inches)82%extreme
July Weather26°C (80°F)106 mm (4.2 inches)78%extreme
August Weather26°C (78°F)121 mm (4.8 inches)67%very high
September Weather24°C (75°F)106 mm (4.2 inches)64%very high
October Weather18°C (65°F)133 mm (5.2 inches)74%high
November Weather10°C (50°F)72 mm (2.8 inches)87%moderate
December Weather8°C (46°F)139 mm (5.5 inches)88%moderate

Compare Chattanooga Valley's Climate with Cities Worldwide