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April Weather in Johnsonville, United States

Last updated: June 24, 2025

In April, the average temperature in Johnsonville, United States hovers around 15°C (59°F). While you might experience minimums dipping to 0°C (33°F), highs can reach up to 29°C (85°F). Expect about 169 mm (6.7 in) of rainfall spread over 10 days during the month, with a notable average humidity of 81%. Prepare for a mix of weather!

April Temperature in Johnsonville

In April in Johnsonville, the average temperature is 15°C (59°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as 0°C (33°F). This diverse temperature range makes Johnsonville an ideal destination for travelers seeking a mix of warm days and cool nights.

April Weather in Johnsonville: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Johnsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnsonville, April typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec414553597077817975645046
Data source: Temperature data for Johnsonville 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 Johnsonville

In Johnsonville in April, the total precipitation amount is 169 mm (6.7 in), falling over the course of 10 days.

April Precipitation Trends in Johnsonville

The chart displays monthly precipitation patterns in Johnsonville, 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 Johnsonville, April typically receives around 169 mm (6.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10517816016912311512511810812888136
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Johnsonville

In Johnsonville in April humidity is 81%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket draped over you, making traveling quite uncomfortable as you constantly wipe away beads of sweat and feel the stickiness clinging to your clothes.

April Average Humidity in Johnsonville

This chart illustrates the average monthly humidity levels in Johnsonville, 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 Johnsonville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Johnsonville

In Johnsonville 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 Johnsonville.

Maximum UV Index Levels in Johnsonville for April

The chart shows the monthly maximum UV Index (UVI) for Johnsonville 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 Johnsonville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Johnsonville 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 Johnsonville Compares to Other Months

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

This table compares monthly weather conditions in Johnsonville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)105 mm (4.1 inches)86%moderate
February Weather7°C (45°F)178 mm (7.0 inches)85%high
March Weather12°C (53°F)160 mm (6.3 inches)84%high
April Weather15°C (59°F)169 mm (6.7 inches)81%very high
May Weather21°C (70°F)123 mm (4.8 inches)83%very high
June Weather25°C (78°F)115 mm (4.5 inches)83%extreme
July Weather27°C (81°F)125 mm (4.9 inches)80%extreme
August Weather26°C (79°F)118 mm (4.7 inches)73%very high
September Weather24°C (75°F)108 mm (4.2 inches)70%very high
October Weather18°C (64°F)128 mm (5.1 inches)73%high
November Weather10°C (50°F)88 mm (3.5 inches)85%moderate
December Weather8°C (46°F)136 mm (5.4 inches)88%moderate

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