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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Rock Falls, Wisconsin, with temperature in the range of an average high of 19.9°F (-6.7°C) and an average low of 6.3°F (-14.3°C). Temperature readings reach their annual highs in January, averaging 19.9°F (-6.7°C) and a minimum average of 6.3°F (-14.3°C). Weather in January »
Weather in February
February, the last month of the winter in Rock Falls, is also a subzero cold month, with an average temperature fluctuating between 9.5°F (-12.5°C) and 23.7°F (-4.6°C). Transitioning from January to February, Rock Falls observes an average high-temperature of a still freezing cold 23.7°F (-4.6°C), differing subtly from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Rock Falls, is an icy month, with an average temperature fluctuating between 38.8°F (3.8°C) and 24.3°F (-4.3°C). Witnessing a clear upsurge, the average high-temperature during March escalates from February's subzero cold 23.7°F (-4.6°C) to a cold 38.8°F (3.8°C). Weather in March »
Weather in April
April is a cool spring month in Rock Falls, Wisconsin, with temperature in the range of an average high of 51.8°F (11°C) and an average low of 35.2°F (1.8°C). The arrival of April brings an increase in high-temperatures, moving from a cold 38.8°F (3.8°C) in March to a cool 51.8°F (11°C). Weather in April »
Weather in May
May, the last month of the spring in Rock Falls, is a comfortable month, with an average temperature ranging between min 47.1°F (8.4°C) and max 64.4°F (18°C). May comes with an increase, with the average high-temperature moving from a cool 51.8°F (11°C) in April to an enjoyable 64.4°F (18°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Rock Falls, Wisconsin, with an average temperature ranging between min 56.3°F (13.5°C) and max 73.8°F (23.2°C). Rock Falls's transition into June is marked by a rise in the average high-temperature, advancing from a comfortable 64.4°F (18°C) in May to a warm 73.8°F (23.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Rock Falls, Wisconsin, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 60.6°F (15.9°C). In Rock Falls, the peak temperatures are generally noted in July, averaging a high of 78.4°F (25.8°C) and a low of 60.6°F (15.9°C). Weather in July »
Weather in August
August, the last month of the summer in Rock Falls, is another warm month, with an average temperature ranging between min 57.9°F (14.4°C) and max 76.8°F (24.9°C). Rock Falls marks the onset of August with an average high-temperature of a still moderately hot 76.8°F (24.9°C), a subtle shift from July's 78.4°F (25.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Rock Falls, is still a pleasant month, with an average temperature varying between 70.5°F (21.4°C) and 50.9°F (10.5°C). As September commences, the average high-temperature subtly reduces, transitioning from a warm 76.8°F (24.9°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »
Weather in October
October, like September, in Rock Falls, Wisconsin, is another fresh autumn month, with temperature in the range of an average high of 54.9°F (12.7°C) and an average low of 39.9°F (4.4°C). The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from an agreeable 70.5°F (21.4°C) to a cool 54.9°F (12.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Rock Falls, is another cold month, with an average temperature varying between 40.1°F (4.5°C) and 27.9°F (-2.3°C). November is marked by a significant decrease, with the average high-temperature retreating from a fresh 54.9°F (12.7°C) in October to an icy 40.1°F (4.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Rock Falls, Wisconsin, with an average temperature varying between 14.9°F (-9.5°C) and 25.3°F (-3.7°C). The arrival of December brings a distinct temperature shift, with the average high-temperature dropping from an icy 40.1°F (4.5°C) in November to a freezing cold 25.3°F (-3.7°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Rock Falls?
Rock Falls, Wisconsin, reaches its average lowest temperatures in January, measuring 19.9°F (-6.7°C) at the peak and 6.3°F (-14.3°C) at the lowest.
What is the most humid month in Rock Falls?
January and February, with an average relative humidity of 91%, are most humid months.
What is the driest month in Rock Falls?
January is the month with the least rainfall in Rock Falls. Rain falls for 3.8 days and accumulates 0.87" (22mm) of precipitation.
How many days does it rain in Rock Falls?
Throughout the year, in Rock Falls, Wisconsin, there are 135.6 rainfall days, and 26.57" (675mm) of precipitation is accumulated.
When does it snow in Rock Falls?
Months with snowfall in Rock Falls, Wisconsin, are January through May, October through December.
How much does it snow in Rock Falls?
In Rock Falls, Wisconsin, during the entire year, snow falls for 69.2 days and aggregates up to 26.02" (661mm) of snow.
What is the month with the least sunshine in Rock Falls?
With an average of 3h of sunshine, January has the least sunshine of the year in Rock Falls.
What are the months with the lowest UV index in Rock Falls?
The months with the lowest UV index in Rock Falls are January, February, November and December, with an average maximum UV index of 1.
When does it snow the most in Rock Falls?
The month with the most snowfall is February, when snow falls for 13.2 days and typically aggregates up to 6.38" (162mm) of snow.
When is Daylight Saving Time (DST) in Rock Falls?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rock Falls, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the least humid month in Rock Falls?
The months with the lowest humidity are April and October, with an average relative humidity of 77%.
What is the wettest month in Rock Falls?
June is the month with the most rainfall. Rain falls for 17.9 days and accumulates 4.57" (116mm) of precipitation.
When it does not snow in Rock Falls?
In Rock Falls, snow does not fall in June through September.
When are the longest days in Rock Falls?
June has the longest days of the year in Rock Falls, with an average of 15h and 30min of daylight.
What is the warmest month in Rock Falls?
Rock Falls's warmest temperatures are experienced in July, with average high temperatures of 78.4°F (25.8°C) and lows of 60.6°F (15.9°C).
What is the month with the most sunshine in Rock Falls?
The months with the most sunshine in Rock Falls are July and August, with an average of 9.6h of sunshine.
What is the month with the highest UV index in Rock Falls?
The month with the highest UV index in Rock Falls, Wisconsin, is July, with an average maximum UV index of 6.
What is the month with the shortest days in Rock Falls?
December has the shortest days of the year in Rock Falls, Wisconsin, with an average of 8h and 54min of daylight.
Average temperature
Rock Falls, WI
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (19.9°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure
Rock Falls, WI
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Rock Falls, WI
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.6mph - Average wind speed in April:
9.3mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity
Rock Falls, WI
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall
Rock Falls, WI
- Average rainfall in January:
0.87" - Average rainfall in February:
1.14" - Average rainfall in March:
1.61" - Average rainfall in April:
2.68" - Average rainfall in May:
3.39" - Average rainfall in June:
4.57"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.32" - Average rainfall in September:
2.28" - Average rainfall in October:
2.48" - Average rainfall in November:
1.22" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days
Rock Falls, WI
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall
Rock Falls, WI
- Average snowfall in January:
5.04" - Average snowfall in February:
6.38" - Average snowfall in March:
3.03" - Average snowfall in April:
2.87" - Average snowfall in May:
0.43" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rock Falls, WI
- Average snowfall days in January:
16.9 days - Average snowfall days in February:
13.2 days - Average snowfall days in March:
9.4 days - Average snowfall days in April:
4.9 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2.1 days - Average snowfall days in November:
8.1 days - Average snowfall days in December:
13.8 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rock Falls, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Rock Falls, WI
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
14 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index
Rock Falls, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Rock Falls, WI
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Rock Falls, WI
The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rock Falls, Wisconsin, USA
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