February Weather in Rock Falls, United States

Last updated: June 24, 2025

In February, the average temperature in Rock Falls, United States hovers around -3°C (26°F), with extremes ranging from a bone-chilling -34°C (-30°F) to a surprisingly warm 21°C (70°F). Expect 59 mm (2.3 in) of precipitation spread across 9 days, contributing to an average humidity level of 83%. Stay prepared for the variability that this month brings!

February Temperature in Rock Falls

In February in Rock Falls, the average temperature is -3°C (26°F), with maximums reaching 21°C (70°F) and minimums plummeting to -34°C (-30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.

February Weather in Rock Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Rock Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Falls, February typically has an average temperature of -3°C (26°F), with highs reaching up to 21°C (70°F) and lows dropping to around -34°C (-30°F).

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

February Precipitation in Rock Falls

In Rock Falls in February, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

February Precipitation Trends in Rock Falls

The chart displays monthly precipitation patterns in Rock Falls, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Rock Falls, February typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Rock Falls

In Rock Falls in February, humidity is 83%. With an average temperature of -3°C (26°F), this humidity feels like a heavy blanket of cold air enveloping you, making it challenging to stay warm while traveling. The dampness seeps into your clothing, creating an uncomfortable chill that lingers even indoors, often requiring extra layers and careful planning for outdoor activities.

February Average Humidity in Rock Falls

This chart illustrates the average monthly humidity levels in Rock Falls, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Rock Falls is approximately 83%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Rock Falls

In Rock Falls in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Rock Falls.

Maximum UV Index Levels in Rock Falls for February

The chart shows the monthly maximum UV Index (UVI) for Rock Falls in February, 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 February, the maximum UV index in Rock Falls typically reaches 5, which falls under the moderate exposure category.

Data source: Rock Falls February 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 February Weather in Rock Falls Compares to Other Months

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

This table compares monthly weather conditions in Rock Falls, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	59 mm (2.3 inches)	82%	moderate
February Weather	-3°C (26°F)	59 mm (2.3 inches)	83%	moderate
March Weather	4°C (40°F)	86 mm (3.4 inches)	84%	high
April Weather	9°C (49°F)	110 mm (4.3 inches)	85%	very high
May Weather	17°C (62°F)	157 mm (6.2 inches)	79%	very high
June Weather	23°C (73°F)	141 mm (5.6 inches)	82%	very high
July Weather	24°C (76°F)	98 mm (3.8 inches)	80%	very high
August Weather	23°C (73°F)	73 mm (2.9 inches)	81%	very high
September Weather	20°C (68°F)	115 mm (4.5 inches)	80%	very high
October Weather	12°C (54°F)	115 mm (4.5 inches)	82%	high
November Weather	4°C (39°F)	51 mm (2.0 inches)	88%	moderate
December Weather	0°C (32°F)	50 mm (2.0 inches)	84%	low