October weather forecast
Rockwood, IL

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Weather in October

October, like September, in Rockwood, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 67.6°F (19.8°C) and 49.3°F (9.6°C).

Temperature

The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 80.1°F (26.7°C) in September to a comfortable 67.6°F (19.8°C). Nightly temperatures drop to an average low of 49.3°F (9.6°C) in October.

Humidity

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

Rainfall

In Rockwood, in October, it is raining for 6.7 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 111.9 rainfall days, and 10.43" (265mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 10.9 snowfall days, and 1.42" (36mm) of snow is accumulated.

Daylight

In Rockwood, the average length of the day in October is 11h and 12min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of October, in Rockwood, sunrise is at 7:23 am and sunset at 6:00 pm CDT.

Sunshine

The average sunshine in October is 6.4h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 3 during October translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What is the usual temperature for Rockwood in October?

In Rockwood, in October, the average high-temperature is 67.6°F (19.8°C), and the average low-temperature is 49.3°F (9.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 98.6°F (37°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What is the average humidity in October?

The average relative humidity in October is 71%.

How much does it rain in October?

In Rockwood, in October, during 6.7 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Rockwood have in October?

In October, the average day length is 11h and 12min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:55 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Rockwood have in October?

The average sunshine duration in October is 6.4h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Rockwood, IL

Average temperature in October - Rockwood, IL
  • Average high temperature in October: 67.6°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in October
Rockwood, IL

Average pressure in October - Rockwood, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Rockwood, IL

Average wind speed in October - Rockwood, IL
  • Average wind speed in October: 7.6mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in October
Rockwood, IL

Average humidity in October - Rockwood, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Rockwood, IL

Average rainfall in October - Rockwood, IL
  • Average rainfall in October: 0.91"

The wettest months (with the highest rainfall) are April and May (1.22").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in October
Rockwood, IL

Average rainfall days in October - Rockwood, IL
  • Average rainfall days in October: 6.7 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in October
Rockwood, IL

Average snowfall in October - Rockwood, IL
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in October
Rockwood, IL

Average snowfall days in October - Rockwood, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Rockwood, IL

Average daylight in October / Average sunshine in October - Rockwood, IL
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).

Average sunshine days in October
Rockwood, IL

Average sunshine days in October - Rockwood, IL
  • Average sunshine days in October: 21.9 days

The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (13.5 days).

Average UV index in October
Rockwood, IL

Average UV index in October - Rockwood, IL
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October
Rockwood, IL

Average cloud cover in October - Rockwood, IL
  • Average cloud cover in October: 31

The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in October
Rockwood, IL

Average visibility in October - Rockwood, IL
  • Average visibility in October: 6mi

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

Rockwood, Illinois, USA

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