October weather forecast
Rock Falls, IA

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Weather in October

October, the same as September, in Rock Falls, Iowa, is another mild autumn month, with an average temperature ranging between max 57.6°F (14.2°C) and min 42.6°F (5.9°C).

Temperature

A clear reduction in the average high-temperature marks the arrival of October, falling from a pleasant 72.5°F (22.5°C) in September to a mild 57.6°F (14.2°C). In Rock Falls, an average temperature of 42.6°F (5.9°C) is noted during October nights.

Humidity

October is the least humid month in Rock Falls, with an average relative humidity of 71%.

Rainfall

In October, the rain falls for 11.2 days. Throughout October, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 25.98" (660mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.2 snowfall days, it receives 0.12" (3mm) of snow. In Rock Falls, during the entire year, snow falls for 50.1 days and aggregates up to 21.69" (551mm) of snow.

Daylight

In October, the average length of the day in Rock Falls is 11h and 1min.
On the first day of October, sunrise is at 7:10 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:04 pm CDT.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In October, the average daily maximum UV index in Rock Falls is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 2 in October transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Rock Falls?

The average high-temperature, in October, in Rock Falls, is 57.6°F (14.2°C), while the average low-temperature is 42.6°F (5.9°C).

What is the least humid month in Rock Falls?

October is the least humid month in Rock Falls, with an average relative humidity of 71%.

What is the average humidity in October in Rock Falls?

The average relative humidity in October is 71%.

How many days does it rain in October in Rock Falls?

In Rock Falls, during October, the rain falls for 11.2 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When does it start snowing in Rock Falls?

October is the first month it typically snows in Rock Falls, Iowa. Throughout October, in the average 1.2 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in October in Rock Falls?

In October, the average day length in Rock Falls, Iowa, is 11h and 1min.

When are sunrise and sunset in October in Rock Falls?

In October, on the first day of the month, sunrise is at 7:10 am and sunset at 6:52 pm. On the last day of the month, in Rock Falls, sunrise is at 7:46 am and sunset at 6:04 pm CDT.

How many hours of sunshine does Rock Falls have in October?

In October, the average sunshine duration is 5.4h.

How high is the UV index in October in Rock Falls?

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Rock Falls, IA

Average temperature in October - Rock Falls, IA
  • Average high temperature in October: 57.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in October: 42.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10°F).

Average pressure in October
Rock Falls, IA

Average pressure in October - Rock Falls, IA
  • Average pressure in October: 29.99"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in October
Rock Falls, IA

Average wind speed in October - Rock Falls, IA
  • Average wind speed in October: 9.9mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in October
Rock Falls, IA

Average humidity in October - Rock Falls, IA
  • Average humidity in October: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Rock Falls, IA

Average rainfall in October - Rock Falls, IA
  • Average rainfall in October: 2.24"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in October
Rock Falls, IA

Average rainfall days in October - Rock Falls, IA
  • Average rainfall days in October: 11.2 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

Average snowfall in October
Rock Falls, IA

Average snowfall in October - Rock Falls, IA
  • Average snowfall in October: 0.12"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Rock Falls, IA

Average snowfall days in October - Rock Falls, IA
  • Average snowfall days in October: 1.2 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Rock Falls, IA

Average daylight in October / Average sunshine in October - Rock Falls, IA
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 5h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Rock Falls, IA

Average sunshine days in October - Rock Falls, IA
  • Average sunshine days in October: 17.2 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in October
Rock Falls, IA

Average UV index in October - Rock Falls, IA
  • Average UV index in October: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Rock Falls, IA

Average cloud cover in October - Rock Falls, IA
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in October
Rock Falls, IA

Average visibility in October - Rock Falls, IA
  • Average visibility in October: 6mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

Rock Falls, Iowa, USA

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