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January Weather in Delavan, United States

Last updated: June 24, 2025

In January, the average temperature in Delavan, United States hovers around -5°C (22°F). Expect some chilly days, with minimums dropping to -32°C (-25°F) and maximums peaking at 12°C (55°F). Prepare for 58 mm (2.3 in) of precipitation spread over 8 days, contributing to an average humidity of 85%. Bundle up and stay dry!

January Temperature in Delavan

In January in Delavan, the average temperature is -5°C (22°F). Maximum temperatures can reach 12°C (55°F), while minimums can drop as low as -32°C (-25°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January 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, January typically has an average temperature of -5°C (22°F), with highs reaching up to 12°C (55°F) and lows dropping to around -32°C (-25°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.

January Precipitation in Delavan

In Delavan in January, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Delavan

The chart displays monthly precipitation patterns in Delavan, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Delavan, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec58546010513611082891051144650
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Delavan

In Delavan in January, humidity is 85%. With an average temperature of -5°C (22°F), this humidity feels like a bitter chill that seeps through layers of clothing, making outdoor exploration uncomfortable and swift movements essential to keep warm.

January Average Humidity in Delavan

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

January UV Index in Delavan

In Delavan in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Delavan, you can check the information here.

Maximum UV Index Levels in Delavan for January

The chart shows the monthly maximum UV Index (UVI) for Delavan in January, 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 January, the maximum UV index in Delavan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Delavan January 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 January 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 January’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 January’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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