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January Weather in Zionsville, United States

Last updated: June 24, 2025

In Zionsville, United States, the average temperature in January hovers around -2°C (30°F). Expect chilly extremes, with minimums plummeting to -28°C (-18°F) and maximums soaring to 18°C (64°F). Precipitation during this period amounts to 81 mm (3.2 in) over approximately 9 days, while the air maintains a high average humidity of 87%. Prepare for winter weather that is both frigid and moist!

January Temperature in Zionsville

In January in Zionsville, the average temperature is -2°C (30°F). Maximums can reach 18°C (64°F) and minimums can drop as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both mild days and extremely cold nights.

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

The chart illustrates January temperature patterns in Zionsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zionsville, January typically has an average temperature of -2°C (30°F), with highs reaching up to 18°C (64°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342526473767469574135
Data source: Temperature data for Zionsville 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 Zionsville

In Zionsville in January, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

January Precipitation Trends in Zionsville

The chart displays monthly precipitation patterns in Zionsville, 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 Zionsville, January typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec81891209314310510894761058774
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Zionsville

In Zionsville in January, humidity is 87%. With an average temperature of -2°C (30°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable and adding a biting chill to the air that seeps into your bones.

January Average Humidity in Zionsville

This chart illustrates the average monthly humidity levels in Zionsville, 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 Zionsville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Zionsville

In Zionsville 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 Zionsville, you can check the information here.

Maximum UV Index Levels in Zionsville for January

The chart shows the monthly maximum UV Index (UVI) for Zionsville 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 Zionsville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Zionsville 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 Zionsville Compares to Other Months

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

This table compares monthly weather conditions in Zionsville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)81 mm (3.2 inches)87%moderate
February Weather0°C (33°F)88 mm (3.5 inches)85%moderate
March Weather6°C (42°F)120 mm (4.7 inches)86%high
April Weather11°C (52°F)93 mm (3.7 inches)84%very high
May Weather18°C (64°F)143 mm (5.6 inches)79%very high
June Weather23°C (74°F)104 mm (4.1 inches)82%extreme
July Weather25°C (77°F)108 mm (4.2 inches)79%very high
August Weather23°C (74°F)94 mm (3.7 inches)70%very high
September Weather21°C (70°F)76 mm (3.0 inches)69%very high
October Weather14°C (58°F)105 mm (4.1 inches)76%high
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather2°C (36°F)74 mm (2.9 inches)87%low

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