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January Weather in La Grange, United States

Last updated: June 24, 2025

In La Grange, United States, the average temperature in January hovers around 1°C (35°F). However, temperatures can vary dramatically, with minimums plummeting to -19°C (-3°F) and maximums reaching a pleasant 20°C (68°F). Expect 87 mm (3.4 in) of precipitation over about 9 days, contributing to an average humidity level of 87%. Stay prepared for a mix of chilly and mild days!

January Temperature in La Grange

In January in La Grange, the average temperature is 1°C (35°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -19°C (-3°F). Be prepared for a wide range of temperatures when planning your trip to La Grange.

January Weather in La Grange: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in La Grange, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Grange, January typically has an average temperature of 1°C (35°F), with highs reaching up to 20°C (68°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec353947556774787671604540
Data source: Temperature data for La Grange 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 La Grange

In La Grange in January, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

January Precipitation Trends in La Grange

The chart displays monthly precipitation patterns in La Grange, 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 La Grange, January typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec87127137139125151999510910393107
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in La Grange

In La Grange in January humidity is 87%. With an average temperature of 1°C (35°F), this humidity feels like a chilling dampness that seeps into your bones, making travel feel particularly uncomfortable as the cold air clings to your skin and makes each step feel heavier.

January Average Humidity in La Grange

This chart illustrates the average monthly humidity levels in La Grange, 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 La Grange 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 La Grange

In La Grange 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 La Grange, you can check the information here.

Maximum UV Index Levels in La Grange for January

The chart shows the monthly maximum UV Index (UVI) for La Grange 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 La Grange typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: La Grange 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 La Grange Compares to Other Months

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

This table compares monthly weather conditions in La Grange, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)87 mm (3.4 inches)87%moderate
February Weather4°C (39°F)127 mm (5.0 inches)85%moderate
March Weather8°C (47°F)137 mm (5.4 inches)86%high
April Weather13°C (56°F)139 mm (5.5 inches)84%very high
May Weather19°C (67°F)125 mm (4.9 inches)79%very high
June Weather24°C (75°F)151 mm (5.9 inches)82%extreme
July Weather26°C (78°F)99 mm (3.9 inches)79%very high
August Weather24°C (76°F)95 mm (3.8 inches)70%very high
September Weather22°C (71°F)109 mm (4.3 inches)69%very high
October Weather16°C (60°F)103 mm (4.1 inches)76%high
November Weather7°C (45°F)93 mm (3.7 inches)88%moderate
December Weather5°C (40°F)107 mm (4.2 inches)87%moderate

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