Rock Falls, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Rock Falls now
Loading the National Weather Service forecast…
Rock Falls weather by the hour
Rock Falls weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rock Falls.
This week in Rock Falls
Sunrise, sunset and moon in Rock Falls
What is the weather usually like in Rock Falls?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 14°F average low
- 40.5 inprecipitation per year · 1,029 mm
- 31.2 insnowfall per year · 79 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rock Falls: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DIXON 1W, IL US (USC00112348), adjusted for the elevation of Rock Falls.
Rock Falls weather month by month
Sunrise and sunset in Rock Falls through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 AM | 4:54 PM | 9 h 32 min |
| February | 6:52 AM | 5:33 PM | 10 h 41 min |
| March | 7:08 AM | 7:06 PM | 11 h 58 min |
| April | 6:16 AM | 7:40 PM | 13 h 24 min |
| May | 5:36 AM | 8:13 PM | 14 h 36 min |
| June | 5:21 AM | 8:36 PM | 15 h 15 min |
| July | 5:35 AM | 8:33 PM | 14 h 57 min |
| August | 6:06 AM | 8:00 PM | 13 h 54 min |
| September | 6:37 AM | 7:09 PM | 12 h 31 min |
| October | 7:09 AM | 6:19 PM | 11 h 9 min |
| November | 6:46 AM | 4:39 PM | 9 h 52 min |
| December | 7:17 AM | 4:30 PM | 9 h 12 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Rock Falls?
Rock Falls has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 14°F (-10°C).
It gets about 40.5 inches (1,029 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 31 inches fall in an average year.
The best time to visit Rock Falls is June to September. At 646 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Rock Falls
Weather in towns near Rock Falls
Questions about the weather in Rock Falls
What is the hottest month in Rock Falls?
July, with an average high of 83°F (28°C).
What is the coldest month in Rock Falls?
January, with an average low of 14°F (-10°C).
How much does it rain in Rock Falls?
About 40.5 inches (1,029 mm) a year; the wettest month is June.
Does it snow in Rock Falls?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Rock Falls?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Rock Falls have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Rock Falls in November?
Highs average 48°F and lows 31°F, with about 2.4 inches of precipitation.
What time is sunrise in Rock Falls?
Around 6:46 AM in mid-November, and sunset around 4:39 PM. Today’s exact times are shown above.
Where does this Rock Falls weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Rock Falls.
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