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May Weather in Johnsonville, United States

Last updated: June 24, 2025

In May, the average temperature in Johnsonville, United States hovers around 21°C (70°F). Expect a minimum of 7°C (44°F) and a maximum of 32°C (90°F), creating a wide range of weather experiences. Over the month, anticipate about 123 mm (4.8 in) of precipitation spread across 13 days, contributing to the high average humidity of 83%. Be prepared for a mix of sunny and rainy days!

May Temperature in Johnsonville

In May in Johnsonville, the average temperature is 21°C (70°F). Maximums can reach 32°C (90°F) and minimums can be as low as 7°C (44°F). This range makes Johnsonville an ideal destination for travelers seeking mild weather and pleasant outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (44°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.

May Precipitation in Johnsonville

In Johnsonville in May, the precipitation amount is 123 mm (4.8 in) over the course of 13 days.

May Precipitation Trends in Johnsonville

The chart displays monthly precipitation patterns in Johnsonville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Johnsonville, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10517816016912311512511810812888136
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Johnsonville

In Johnsonville in May humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

May Average Humidity in Johnsonville

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

May UV Index in Johnsonville

In Johnsonville in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Johnsonville in May, 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 May, the maximum UV index in Johnsonville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Johnsonville May 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 May 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 May’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 May’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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