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October Weather in Delavan, United States

Last updated: June 24, 2025

In October, the average temperature in Delavan, United States hovers around 11°C (52°F), providing a mix of cool and mild days. Expect temperatures to dip to a minimum of -5°C (23°F) and peak up to 29°C (85°F). With an average precipitation of 113 mm (4.5 in) over 13 days, and humidity levels at a noteworthy 83%, it's a month where you'll want to prepare for both wet and dry spells.

October Temperature in Delavan

In October in Delavan, the average temperature is 11°C (52°F). Maximums can reach 29°C (85°F), and minimums can be as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

October Weather in Delavan: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Delavan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delavan, October typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec222437465970757266523730
Data source: Temperature data for Delavan 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.

October Precipitation in Delavan

In Delavan in October, the precipitation amount is 113 mm (4.5 in) accumulated over 13 days.

October Precipitation Trends in Delavan

The chart displays monthly precipitation patterns in Delavan, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Delavan, October typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec58546010513611082891051144650
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Delavan

In Delavan in October humidity is 83%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leading travelers to seek shelter indoors or to dress in layered clothing to stay warm while exploring the area.

October Average Humidity in Delavan

This chart illustrates the average monthly humidity levels in Delavan, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Delavan is approximately 83%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Delavan

In Delavan in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Delavan.

Maximum UV Index Levels in Delavan for October

The chart shows the monthly maximum UV Index (UVI) for Delavan in October, 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 October, the maximum UV index in Delavan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Delavan October 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 October Weather in Delavan Compares to Other Months

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

This table compares monthly weather conditions in Delavan, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (22°F)58 mm (2.3 inches)85%moderate
February Weather-5°C (24°F)54 mm (2.1 inches)85%moderate
March Weather3°C (37°F)60 mm (2.4 inches)85%high
April Weather8°C (47°F)105 mm (4.1 inches)85%very high
May Weather15°C (60°F)136 mm (5.4 inches)78%very high
June Weather21°C (71°F)110 mm (4.3 inches)80%very high
July Weather24°C (75°F)82 mm (3.2 inches)78%very high
August Weather22°C (72°F)89 mm (3.5 inches)76%very high
September Weather19°C (66°F)105 mm (4.1 inches)79%very high
October Weather11°C (52°F)113 mm (4.5 inches)83%moderate
November Weather3°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (30°F)50 mm (2.0 inches)81%low

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