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May Weather in Oshkosh, United States

Last updated: June 24, 2025

In Oshkosh, United States, the average temperature in May is a pleasant 14°C (57°F). During this time, temperatures can vary significantly, with a minimum of 1°C (34°F) and a maximum soaring up to 31°C (88°F). Expect 107 mm (4.2 in) of precipitation spread over 13 days, contributing to an average humidity of 78%. Embrace the diverse weather this month brings!

May Temperature in Oshkosh

In May in Oshkosh, the average temperature is 14°C (57°F). The maximum can reach 31°C (88°F) and the minimum can be as low as 1°C (34°F). This variation makes it essential for travelers to pack layers to accommodate both warm and cool conditions.

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

The chart illustrates May temperature patterns in Oshkosh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oshkosh, May typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec212132425769747164513628
Data source: Temperature data for Oshkosh 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 Oshkosh

In Oshkosh in May, the total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 days.

May Precipitation Trends in Oshkosh

The chart displays monthly precipitation patterns in Oshkosh, 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 Oshkosh, May typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec43466094107101100107751014747
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Oshkosh

In Oshkosh in May, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

May Average Humidity in Oshkosh

This chart illustrates the average monthly humidity levels in Oshkosh, 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 Oshkosh 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 Oshkosh

In Oshkosh 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 Oshkosh.

Maximum UV Index Levels in Oshkosh for May

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

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

This table compares monthly weather conditions in Oshkosh, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)43 mm (1.7 inches)85%moderate
February Weather-6°C (21°F)46 mm (1.8 inches)85%moderate
March Weather0°C (32°F)60 mm (2.4 inches)85%moderate
April Weather6°C (43°F)94 mm (3.7 inches)85%very high
May Weather14°C (57°F)107 mm (4.2 inches)78%very high
June Weather20°C (69°F)101 mm (4.0 inches)80%very high
July Weather23°C (74°F)100 mm (3.9 inches)78%very high
August Weather22°C (71°F)107 mm (4.2 inches)76%very high
September Weather18°C (64°F)75 mm (3.0 inches)79%high
October Weather11°C (51°F)101 mm (4.0 inches)83%moderate
November Weather2°C (36°F)47 mm (1.8 inches)88%moderate
December Weather-2°C (28°F)47 mm (1.9 inches)81%low

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