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May Weather in Waupun, United States

Last updated: June 24, 2025

In May, the average temperature in Waupun, United States is a mild 14°C (58°F). However, temperatures can swing dramatically, with a minimum of -2°C (29°F) and a maximum peaking at 33°C (92°F). Expect about 116 mm (4.6 in) of precipitation over approximately 12 days, contributing to an average humidity of 78%. Perfect for cozy indoor activities or enjoying the fresh air!

May Temperature in Waupun

In May in Waupun, the average temperature is 14°C (58°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as -2°C (29°F). It's advisable to pack for a range of weather conditions when traveling during this month.

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

The chart illustrates May temperature patterns in Waupun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waupun, 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 -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec202134445869737064513628
Data source: Temperature data for Waupun 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 Waupun

In Waupun in May, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.

May Precipitation Trends in Waupun

The chart displays monthly precipitation patterns in Waupun, 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 Waupun, May typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4648599911610510498851054647
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Waupun

In Waupun in May, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

May Average Humidity in Waupun

This chart illustrates the average monthly humidity levels in Waupun, 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 Waupun is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Waupun

In Waupun 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 Waupun.

Maximum UV Index Levels in Waupun for May

The chart shows the monthly maximum UV Index (UVI) for Waupun 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 Waupun typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Waupun 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 Waupun Compares to Other Months

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

This table compares monthly weather conditions in Waupun, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)46 mm (1.8 inches)85%moderate
February Weather-6°C (21°F)48 mm (1.9 inches)85%moderate
March Weather1°C (34°F)59 mm (2.3 inches)85%moderate
April Weather7°C (44°F)99 mm (3.9 inches)85%very high
May Weather14°C (58°F)116 mm (4.6 inches)78%very high
June Weather21°C (69°F)105 mm (4.1 inches)80%very high
July Weather23°C (74°F)104 mm (4.1 inches)78%very high
August Weather21°C (71°F)98 mm (3.9 inches)76%very high
September Weather18°C (64°F)85 mm (3.3 inches)79%high
October Weather10°C (51°F)105 mm (4.1 inches)83%moderate
November Weather2°C (36°F)46 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)47 mm (1.9 inches)81%low

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