January Weather in Sycamore, United States

Last updated: June 24, 2025

In January, the average temperature in Sycamore, United States hovers around -2°C (30°F), with a range that can dip to a chilly -23°C (-10°F) and occasionally rise to a mild 19°C (66°F). Expect 72 mm (2.9 in) of precipitation spread over 9 days, and be prepared for high humidity levels at 88%.

January Temperature in Sycamore

In January in Sycamore, the climate can be quite extreme, with average temperatures around -2°C (30°F). The maximum can reach 19°C (66°F), while the minimum can plummet to -23°C (-10°F). It’s advisable to pack warmly and be prepared for a wide range of weather conditions when traveling.

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

The chart illustrates January temperature patterns in Sycamore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sycamore, January typically has an average temperature of -2°C (30°F), with highs reaching up to 19°C (66°F) and lows dropping to around -23°C (-10°F).

Data source: Temperature data for Sycamore generated using information from the Copernicus Climate Change Service.

January Precipitation in Sycamore

In Sycamore in January, the total precipitation amount is 72 mm (2.9 in), occurring over the course of 9 days.

January Precipitation Trends in Sycamore

The chart displays monthly precipitation patterns in Sycamore, 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 Sycamore, January typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Sycamore

In Sycamore in January humidity is 88%. With an average temperature of -2°C (30°F), this humidity feels like a biting chill that seeps into your bones, making it challenging to fully enjoy outdoor activities without bundling up in layers.

January Average Humidity in Sycamore

This chart illustrates the average monthly humidity levels in Sycamore, 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 Sycamore is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sycamore

In Sycamore 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 Sycamore, you can check the information here.

Maximum UV Index Levels in Sycamore for January

The chart shows the monthly maximum UV Index (UVI) for Sycamore 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 Sycamore typically reaches 3, which falls under the moderate exposure category.

Data source: Sycamore 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 Sycamore Compares to Other Months

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

This table compares monthly weather conditions in Sycamore, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (30°F)	72 mm (2.9 inches)	88%	moderate
February Weather	0°C (32°F)	89 mm (3.5 inches)	87%	moderate
March Weather	5°C (41°F)	97 mm (3.8 inches)	87%	high
April Weather	10°C (50°F)	110 mm (4.3 inches)	87%	very high
May Weather	17°C (62°F)	134 mm (5.3 inches)	81%	very high
June Weather	22°C (71°F)	131 mm (5.1 inches)	82%	very high
July Weather	24°C (75°F)	123 mm (4.8 inches)	81%	very high
August Weather	23°C (73°F)	86 mm (3.4 inches)	78%	very high
September Weather	20°C (68°F)	73 mm (2.9 inches)	78%	very high
October Weather	14°C (57°F)	93 mm (3.7 inches)	82%	high
November Weather	5°C (42°F)	90 mm (3.5 inches)	89%	moderate
December Weather	2°C (35°F)	70 mm (2.7 inches)	86%	low