February weather forecastRock Falls, IL
February
Weather in February
February, the last month of the winter in Rock Falls, is another freezing cold month, with an average temperature varying between 18.5°F (-7.5°C) and 31.6°F (-0.2°C).Temperature
Rock Falls sees the arrival of February with an average high-temperature of a still freezing cold 31.6°F (-0.2°C), indicating a subtle variation from January. Rock Falls in February anticipates an average nighttime temperature of 18.5°F (-7.5°C).Humidity
In February, the average relative humidity is 84%.Rainfall
January and February are months with the least rain when the rain falls for 5 days and typically aggregates up to 0.75" (19mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Rock Falls, in February, during 8.2 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Rock Falls, during the entire year, snow falls for 34.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
In February, the average length of the day is 10h and 37min.On the first day of the month, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of February, sunrise is at 6:33 am and sunset at 5:48 pm CST.
Sunshine
The average sunshine in February is 4h.UV index
The average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In February, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Rock Falls, IL
- Average high temperature in February: 31.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in February: 18.5°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in February
Rock Falls, IL
- Average pressure in February: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in February
Rock Falls, IL
- Average wind speed in February: 10.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in February
Rock Falls, IL
- Average humidity in February: 84%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in February
Rock Falls, IL
- Average rainfall in February: 0.75"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in February
Rock Falls, IL
- Average rainfall days in February: 5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in February
Rock Falls, IL
- Average snowfall in February: 2.09"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in February
Rock Falls, IL
- Average snowfall days in February: 8.2 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Rock Falls, IL
- Average daylight in February: 10h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in February: 4h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in February
Rock Falls, IL
- Average sunshine days in February: 16.2 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in February
Rock Falls, IL
- Average UV index in February: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in February
Rock Falls, IL
- Average cloud cover in February: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in February
Rock Falls, IL
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
