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May Weather in Appleton, United States

Last updated: June 24, 2025

In May, the average temperature in Appleton, United States is a comfortable 14°C (58°F). However, be prepared for a range of temperatures, as it can dip to a chilly -1°C (31°F) at times or soar up to a sizzling 33°C (92°F). Expect about 104 mm (4.1 in) of precipitation spread across 12 days, and with an average humidity of 77%, it's a month that truly embraces the essence of changeable weather.

May Temperature in Appleton

In May in Appleton, the average temperature is 14°C (58°F). Maximums can reach up to 33°C (92°F), while minimums can drop as low as -1°C (31°F). Pack accordingly for a range of weather conditions to fully enjoy your travels.

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 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec202033435769737063503527
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 total precipitation amount is 104 mm (4.1 in) spread over 12 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 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4149629410410110210574975052
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 77%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making traveling feel sticky and heavy, yet still manageable as you explore the sights.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3457910997532
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-7°C (20°F)41 mm (1.6 inches)89%moderate
February Weather-7°C (21°F)49 mm (1.9 inches)90%moderate
March Weather1°C (33°F)61 mm (2.4 inches)87%moderate
April Weather6°C (43°F)94 mm (3.7 inches)84%high
May Weather14°C (58°F)104 mm (4.1 inches)77%very high
June Weather20°C (69°F)101 mm (4.0 inches)75%very high
July Weather23°C (74°F)102 mm (4.0 inches)74%very high
August Weather21°C (71°F)105 mm (4.1 inches)73%very high
September Weather17°C (64°F)74 mm (2.9 inches)78%high
October Weather10°C (50°F)97 mm (3.8 inches)84%moderate
November Weather2°C (36°F)50 mm (1.9 inches)89%moderate
December Weather-3°C (27°F)52 mm (2.1 inches)87%low

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