Contents
- Weather in February
- Frequently asked questions
- Average temperature in February
- Average pressure in February
- Average wind speed in February
- Average humidity in February
- Average rainfall in February
- Average rainfall days in February
- Average snowfall in February
- Average snowfall days in February
- Average daylight in February
- Average sunshine in February
- Average sunshine days in February
- Average UV index in February
- Average cloud cover in February
- Average visibility in February
Weather in February
Temperature
Transitioning into February, Rock Falls records an average high-temperature of a still freezing cold 31.6°F (-0.2°C), almost identical to January's 27.7°F (-2.4°C). Throughout the month of February, Rock Falls sees a steady low-temperature average of 18.5°F (-7.5°C).Humidity
In February, the average relative humidity in Rock Falls is 84%.Rainfall
January and February are months with the least rain in Rock Falls, Illinois, when the rain falls for 5 days and typically aggregates up to 0.75" (19mm) of rain.Snowfall
Months with snowfall in Rock Falls are January through April, October through December. In February, it is snowing for 8.2 days. Throughout February, 2.09" (53mm) of snow is 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 Rock Falls, the average length of the day in February 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
In Rock Falls, the average daily maximum UV index in February is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In February, the average maximum UV index of 2 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is February in Rock Falls?
What is the average humidity in February in Rock Falls?
What is the driest month in Rock Falls?
How much does it rain in Rock Falls in February?
How much does it snow in Rock Falls in February?
What is the average length of the day in February in Rock Falls?
What time are sunrise and sunset in February in Rock Falls?
How many hours of sunshine does Rock Falls have in February?
What is the UV index intensity in February in Rock Falls?
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 4min
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).
Rock Falls, Illinois, USA
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