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January Weather in DeWitt, United States

Last updated: June 24, 2025

In January, the average temperature in DeWitt, United States hovers around -4°C (26°F), with a chilly minimum of -26°C (-15°F) and a surprisingly mild maximum of 15°C (59°F). During this time, expect about 65 mm (2.6 in) of precipitation spread over 9 days, contributing to an average humidity level of 88%. Prepare for a winter wonderland, but don't forget your umbrella!

January Temperature in DeWitt

In January in DeWitt, the average temperature is -4°C (26°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -26°C (-15°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates January temperature patterns in DeWitt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeWitt, January typically has an average temperature of -4°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737466070747265533832
Data source: Temperature data for DeWitt 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 DeWitt

In DeWitt in January, the precipitation amount is 65 mm (2.6 in) over the course of 9 days.

January Precipitation Trends in DeWitt

The chart displays monthly precipitation patterns in DeWitt, 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 DeWitt, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec656868901251068266941186759
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in DeWitt

In DeWitt in January humidity is 88%. With an average temperature of -4°C (26°F), this humidity feels like walking through a heavy fog that clings to your skin, making each breath feel cold and damp, which can be quite uncomfortable for traveling.

January Average Humidity in DeWitt

This chart illustrates the average monthly humidity levels in DeWitt, 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 DeWitt is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in DeWitt

In DeWitt in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in DeWitt, you can visit Hourly UV Index in DeWitt.

Maximum UV Index Levels in DeWitt for January

The chart shows the monthly maximum UV Index (UVI) for DeWitt 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 DeWitt typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: DeWitt 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 DeWitt Compares to Other Months

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

This table compares monthly weather conditions in DeWitt, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)65 mm (2.6 inches)88%low
February Weather-3°C (27°F)68 mm (2.7 inches)87%moderate
March Weather3°C (37°F)68 mm (2.7 inches)85%moderate
April Weather8°C (47°F)89 mm (3.5 inches)86%very high
May Weather15°C (60°F)125 mm (4.9 inches)80%very high
June Weather21°C (70°F)106 mm (4.2 inches)80%very high
July Weather24°C (75°F)82 mm (3.2 inches)80%very high
August Weather22°C (72°F)66 mm (2.6 inches)80%very high
September Weather18°C (65°F)94 mm (3.7 inches)80%high
October Weather12°C (53°F)118 mm (4.6 inches)84%moderate
November Weather4°C (39°F)67 mm (2.6 inches)89%moderate
December Weather0°C (32°F)59 mm (2.3 inches)86%low

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