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May Weather in Oshkosh, United States

Last updated: June 24, 2025

In Oshkosh, United States, the average temperature in May hovers around 14°C (57°F). Expect a wide range of temperatures, with minimums dipping to -4°C (25°F) and maximums soaring up to 34°C (93°F). The month typically experiences 135 mm (5.3 in) of precipitation over about 13 days, contributing to an average humidity level of 76%.

May Temperature in Oshkosh

In May in Oshkosh, the average temperature is 14°C (57°F), with maximums that can reach 34°C (93°F) and minimums that can drop as low as -4°C (25°F). This variety in temperature makes Oshkosh an ideal destination for travelers seeking a mix of warm and cool experiences.

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 34°C (93°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec292740475771767367484032
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 precipitation amount is 135 mm (5.3 in) over the course 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 135 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1218605213549534732332017
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 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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-2°C (30°F)12 mm (0.5 inches)73%moderate
February Weather-3°C (28°F)18 mm (0.7 inches)80%moderate
March Weather4°C (40°F)59 mm (2.3 inches)64%high
April Weather8°C (47°F)52 mm (2.1 inches)64%very high
May Weather14°C (57°F)135 mm (5.3 inches)76%very high
June Weather22°C (71°F)49 mm (1.9 inches)79%extreme
July Weather25°C (76°F)53 mm (2.1 inches)77%extreme
August Weather23°C (73°F)47 mm (1.8 inches)79%very high
September Weather19°C (67°F)32 mm (1.3 inches)70%very high
October Weather9°C (48°F)33 mm (1.3 inches)64%high
November Weather5°C (41°F)20 mm (0.8 inches)75%moderate
December Weather0°C (33°F)17 mm (0.7 inches)78%moderate

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