October weather forecast
Charles City, IA

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Weather in October

October in Charles City brings with it a definitive shift in weather, highlighting the heart of the fall season. As the warmth of September gradually depletes, residents start reaching for their layers again. Although rain persists in equal measure from September to October at 2.2" (56mm), snowflakes start to make their appearance with an average of 0.2" (5mm) of snowfall. Also, the shortening daylight hours complement the charming autumn foliage. All in all, October's distinct weather adds a sense of nostalgia, paving the way for the upcoming winter season.

Temperature

As Charles City transitions into October, the average high-temperature shows a marked reduction, decreasing from a pleasant 72.1°F (22.3°C) in September to a mild 57.4°F (14.1°C). The nighttime temperature dips to a wintry 42.3°F (5.7°C) on average during October.

Humidity

The least humid month is October, with an average relative humidity of 72%.

Rainfall

In Charles City, during October, the rain falls for 10.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Charles City, during the entire year, the rain falls for 136.1 days and collects up to 27.32" (694mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.9 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 59.5 snowfall days, and 25.04" (636mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 1min.
On the first day of the month, sunrise is at 7:08 am and sunset at 6:51 pm. On the last day of October, sunrise is at 7:45 am and sunset at 6:03 pm CDT.

Sunshine

In October, the average sunshine is 5.3h.

UV index

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 in October translates 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. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What are October temperatures?

October temperatures vary between a high-temperature of 57.4°F (14.1°C) and a low-temperature of 42.3°F (5.7°C).

What is the least humid month?

With an average relative humidity of 72%, October is the least humid month.

What is the average humidity in October?

The average relative humidity in October is 72%.

How many days does it rain in October?

In Charles City, during October, the rain falls for 10.5 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 1.9 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October in Charles City?

In October, the average day length is 11h and 1min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:08 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 6:03 pm CDT.

How many hours of sunshine does Charles City have in October?

The average sunshine duration in October is 5.3h.

What is the UV index intensity in October?

In Charles City, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Charles City, IA

Average temperature in October - Charles City, IA
  • Average high temperature in October: 57.4°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in October: 42.3°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 (10.6°F).

Average pressure in October
Charles City, IA

Average pressure in October - Charles City, IA
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in October
Charles City, IA

Average wind speed in October - Charles City, IA
  • Average wind speed in October: 9.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in October
Charles City, IA

Average humidity in October - Charles City, IA
  • Average humidity in October: 72%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Charles City, IA

Average rainfall in October - Charles City, IA
  • Average rainfall in October: 2.2"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in October
Charles City, IA

Average rainfall days in October - Charles City, IA
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in October
Charles City, IA

Average snowfall in October - Charles City, IA
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Charles City, IA

Average snowfall days in October - Charles City, IA
  • Average snowfall days in October: 1.9 days

The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Charles City, IA

Average daylight in October / Average sunshine in October - Charles City, 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 6min).

  • 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 30min).

Average sunshine days in October
Charles City, IA

Average sunshine days in October - Charles City, IA
  • Average sunshine days in October: 17.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in October
Charles City, IA

Average UV index in October - Charles City, IA
  • Average UV index in October: 2

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in October
Charles City, IA

Average cloud cover in October - Charles City, IA
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in October
Charles City, IA

Average visibility in October - Charles City, IA
  • Average visibility in October: 6mi

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

Charles City, Iowa, USA

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