January Weather in Roselawn, United States

Last updated: June 24, 2025

In January, the average temperature in Roselawn, United States hovers around -3°C (28°F), but don't be surprised by the extremes; it can dip as low as -30°C (-21°F) or climb up to 18°C (64°F). With 72 mm (2.8 in) of precipitation spread over 8 days, the atmosphere feels quite damp, accompanied by a notable average humidity of 85%.

January Temperature in Roselawn

In January in Roselawn, the average temperature is -3°C (28°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -30°C (-21°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.

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

The chart illustrates January temperature patterns in Roselawn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roselawn, January typically has an average temperature of -3°C (28°F), with highs reaching up to 18°C (64°F) and lows dropping to around -30°C (-21°F).

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

January Precipitation in Roselawn

In Roselawn in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Roselawn

The chart displays monthly precipitation patterns in Roselawn, 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 Roselawn, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 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 Roselawn

In Roselawn in January, humidity is 85%. With an average temperature of -3°C (28°F), this humidity feels like an icy weight upon your skin, making every breath a sharp reminder of the cold. Traveling in such conditions can be challenging, as the dampness seeps into your clothes and chills you to the bone, leaving you seeking warmth at every turn.

January Average Humidity in Roselawn

This chart illustrates the average monthly humidity levels in Roselawn, 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 Roselawn is approximately 85%, 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 Roselawn

In Roselawn 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 Roselawn, you can check the information here.

Maximum UV Index Levels in Roselawn for January

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

Data source: Roselawn 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 Roselawn Compares to Other Months

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

This table compares monthly weather conditions in Roselawn, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	72 mm (2.8 inches)	85%	moderate
February Weather	-2°C (30°F)	72 mm (2.9 inches)	85%	moderate
March Weather	5°C (41°F)	101 mm (4.0 inches)	86%	high
April Weather	10°C (50°F)	113 mm (4.4 inches)	87%	very high
May Weather	17°C (62°F)	166 mm (6.5 inches)	81%	very high
June Weather	23°C (73°F)	112 mm (4.4 inches)	82%	very high
July Weather	24°C (76°F)	109 mm (4.3 inches)	81%	very high
August Weather	23°C (74°F)	101 mm (4.0 inches)	79%	very high
September Weather	20°C (69°F)	71 mm (2.8 inches)	78%	very high
October Weather	13°C (56°F)	129 mm (5.1 inches)	81%	high
November Weather	5°C (41°F)	67 mm (2.7 inches)	89%	moderate
December Weather	1°C (34°F)	58 mm (2.3 inches)	86%	low