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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 8°C (47°F). However, prepare for a wide range, as temperatures can dip to a chilling -14°C (7°F) or soar to a sweltering 34°C (93°F). Expect about 52 mm (2.1 in) of precipitation over 9 days, accompanied by an average humidity of 64%—perfect for cozy indoor activities!

April Temperature in Oshkosh

In April in Oshkosh, the average temperature is 8°C (47°F). Maximum temperatures can reach up to 34°C (93°F), while minimum temperatures can drop as low as -14°C (7°F). Travelers should be prepared for a wide range of weather conditions during this time.

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 8°C (47°F), with highs reaching up to 34°C (93°F) and lows dropping to around -14°C (7°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.

April Precipitation in Oshkosh

In Oshkosh in April, the total precipitation amount is 52 mm (2.1 in) over the course of 9 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 52 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1218605213549534732332017
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 64%. With an average temperature of 8°C (47°F), this humidity feels like a persistent chill in the air, making travel a bit uncomfortable as the dampness seeps into your clothes, creating a brisk and sometimes biting atmosphere.

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 64%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Oshkosh

In Oshkosh in April, 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
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-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

Compare Oshkosh's Climate with Cities Worldwide