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April Weather in Oshkosh, United States

Last updated: June 24, 2025

In April, the average temperature in Oshkosh, United States hovers around 6°C (43°F), with a minimum of -10°C (14°F) and peaking at 21°C (71°F). Expect about 94 mm (3.7 in) of precipitation spread over 11 days, contributing to an overall average humidity level of 85%. Prepare for a month where the cool air meets a touch of moisture!

April Temperature in Oshkosh

In April in Oshkosh, the average temperature is 6°C (43°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as -10°C (14°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates April 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, April typically has an average temperature of 6°C (43°F), with highs reaching up to 21°C (71°F) and lows dropping to around -10°C (14°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.

April Precipitation in Oshkosh

In Oshkosh in April, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

April Precipitation Trends in Oshkosh

The chart displays monthly precipitation patterns in Oshkosh, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Oshkosh, April typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec43466094107101100107751014747
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oshkosh

In Oshkosh in April, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

April Average Humidity in Oshkosh

This chart illustrates the average monthly humidity levels in Oshkosh, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Oshkosh is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Oshkosh

In Oshkosh in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Oshkosh.

Maximum UV Index Levels in Oshkosh for April

The chart shows the monthly maximum UV Index (UVI) for Oshkosh in April, 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 April, the maximum UV index in Oshkosh typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101097532
Data source: Oshkosh April 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 April 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 April’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 April’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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