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January Weather in Sugar Grove, United States

Last updated: June 24, 2025

In Sugar Grove, United States, the average temperature in January hovers around 1°C (35°F). However, you can expect a wide range with minimums dipping to -19°C (-2°F) and maximums peaking at 21°C (69°F). This month typically sees about 85 mm (3.4 in) of precipitation spread across 12 days, coupled with an average humidity level of 87%—perfect for cozy indoor activities!

January Temperature in Sugar Grove

In January in Sugar Grove, the average temperature is 1°C (35°F). The maximum can reach 21°C (69°F), and the minimum can be as low as -19°C (-2°F). Travelers should prepare for a wide range of temperatures, making layered clothing essential for comfort.

January Weather in Sugar Grove: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sugar Grove, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sugar Grove, January typically has an average temperature of 1°C (35°F), with highs reaching up to 21°C (69°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec344045526167716965564239
Data source: Temperature data for Sugar Grove 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 Sugar Grove

In Sugar Grove in January, the precipitation amount is 85 mm (3.4 in) over the course of 12 days.

January Precipitation Trends in Sugar Grove

The chart displays monthly precipitation patterns in Sugar Grove, 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 Sugar Grove, January typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec85126112131119111789610211669103
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sugar Grove

In Sugar Grove 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 Sugar Grove

This chart illustrates the average monthly humidity levels in Sugar Grove, 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 Sugar Grove is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sugar Grove

In Sugar Grove in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Sugar Grove for better planning.

Maximum UV Index Levels in Sugar Grove for January

The chart shows the monthly maximum UV Index (UVI) for Sugar Grove 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 Sugar Grove typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111010853
Data source: Sugar Grove 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 Sugar Grove Compares to Other Months

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

This table compares monthly weather conditions in Sugar Grove, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)85 mm (3.4 inches)87%moderate
February Weather4°C (40°F)126 mm (5.0 inches)87%high
March Weather7°C (45°F)112 mm (4.4 inches)86%very high
April Weather11°C (52°F)131 mm (5.2 inches)84%extreme
May Weather16°C (61°F)119 mm (4.7 inches)83%extreme
June Weather19°C (67°F)111 mm (4.4 inches)83%extreme
July Weather22°C (71°F)78 mm (3.1 inches)79%extreme
August Weather21°C (70°F)96 mm (3.8 inches)66%very high
September Weather19°C (66°F)102 mm (4.0 inches)68%very high
October Weather13°C (56°F)116 mm (4.6 inches)78%very high
November Weather6°C (43°F)69 mm (2.7 inches)89%moderate
December Weather4°C (39°F)103 mm (4.1 inches)86%moderate

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