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May Weather in Appleton, United States

Last updated: June 24, 2025

In Appleton, United States, the average temperature in May hovers around 15°C (58°F), offering a comfortable climate. However, be prepared for a range of temperatures, with a minimum dipping to -1°C (31°F) and a maximum soaring to 35°C (96°F). Rainfall is a factor, with an average precipitation of 92 mm (3.6 in) spread over 11 days, contributing to a relatively high average humidity of 76%.

May Temperature in Appleton

In May in Appleton, the average temperature is 15°C (58°F), with maximums reaching 35°C (96°F) and minimums dropping as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Appleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Appleton, May typically has an average temperature of 15°C (58°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec141431425871747063473323
Data source: Temperature data for Appleton 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 Appleton

In Appleton in May, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

May Precipitation Trends in Appleton

The chart displays monthly precipitation patterns in Appleton, 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 Appleton, May typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec20184766928410113582822536
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Appleton

In Appleton in May, humidity is 76%. With an average temperature of 15°C (58°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling somewhat uncomfortable and sticky, while the mild temperature encourages you to explore but demands frequent breaks in the shade.

May Average Humidity in Appleton

This chart illustrates the average monthly humidity levels in Appleton, 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 Appleton is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Appleton

In Appleton in May, 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 Appleton.

Maximum UV Index Levels in Appleton for May

The chart shows the monthly maximum UV Index (UVI) for Appleton 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 Appleton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3557910997532
Data source: Appleton 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 Appleton Compares to Other Months

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

This table compares monthly weather conditions in Appleton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)20 mm (0.8 inches)85%moderate
February Weather-10°C (15°F)18 mm (0.7 inches)89%moderate
March Weather0°C (31°F)47 mm (1.9 inches)81%moderate
April Weather5°C (42°F)66 mm (2.6 inches)82%high
May Weather15°C (58°F)92 mm (3.6 inches)76%very high
June Weather22°C (72°F)84 mm (3.3 inches)81%very high
July Weather23°C (74°F)101 mm (4.0 inches)82%very high
August Weather21°C (70°F)135 mm (5.3 inches)83%very high
September Weather17°C (64°F)82 mm (3.2 inches)82%high
October Weather8°C (48°F)82 mm (3.2 inches)82%moderate
November Weather1°C (33°F)25 mm (1.0 inches)87%moderate
December Weather-5°C (23°F)36 mm (1.4 inches)84%low

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