October weather forecast
Sergeant Bluff, IA

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Weather in October

October, like September, is another mild autumn month in Sergeant Bluff, Iowa, with an average temperature fluctuating between 43.5°F (6.4°C) and 59.9°F (15.5°C).

Temperature

A clear reduction in the average high-temperature marks the arrival of October, falling from a moderately hot 75.6°F (24.2°C) in September to a mild 59.9°F (15.5°C). In the month of October, the nighttime temperature dips to a steady average of 43.5°F (6.4°C).

Humidity

The least humid month in Sergeant Bluff is October, with an average relative humidity of 65%.

Rainfall

In Sergeant Bluff, during October, the rain falls for 8.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 102.3 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow. In Sergeant Bluff, during the entire year, snow falls for 31.1 days and aggregates up to 6.85" (174mm) of snow.

Daylight

In Sergeant Bluff, the average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 7:23 am and sunset at 7:06 pm. On the last day of October, sunrise is at 7:58 am and sunset at 6:19 pm CDT.

Sunshine

In October, the average sunshine is 6.3h.

UV index

In Sergeant Bluff, Iowa, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 3 in October translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The high-temperature, in October, in Sergeant Bluff, is 59.9°F (15.5°C), while the low-temperature averages to 43.5°F (6.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the least humid month?

With an average relative humidity of 65%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 65%.

How much does it rain in October?

In Sergeant Bluff, during October, the rain falls for 8.5 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Sergeant Bluff have in October?

In October, the average day length is 11h and 2min.

When are sunrise and sunset in October in Sergeant Bluff?

On the first day of October, sunrise is at 7:23 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:19 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6.3h.

How high is the UV index in October?

In Sergeant Bluff, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Sergeant Bluff, IA

Average temperature in October - Sergeant Bluff, IA
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 43.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in October
Sergeant Bluff, IA

Average pressure in October - Sergeant Bluff, IA
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in October
Sergeant Bluff, IA

Average wind speed in October - Sergeant Bluff, IA
  • Average wind speed in October: 10.1mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in October
Sergeant Bluff, IA

Average humidity in October - Sergeant Bluff, IA
  • Average humidity in October: 65%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).

Average rainfall in October
Sergeant Bluff, IA

Average rainfall in October - Sergeant Bluff, IA
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").

Average rainfall days in October
Sergeant Bluff, IA

Average rainfall days in October - Sergeant Bluff, IA
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).

Average snowfall in October
Sergeant Bluff, IA

Average snowfall in October - Sergeant Bluff, IA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Sergeant Bluff, IA

Average snowfall days in October - Sergeant Bluff, IA
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (8.2 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
Sergeant Bluff, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in October
Sergeant Bluff, IA

Average sunshine days in October - Sergeant Bluff, IA
  • Average sunshine days in October: 20.6 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in October
Sergeant Bluff, IA

Average UV index in October - Sergeant Bluff, IA
  • Average UV index in October: 3

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

Average cloud cover in October
Sergeant Bluff, IA

Average cloud cover in October - Sergeant Bluff, IA
  • Average cloud cover in October: 33

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in October
Sergeant Bluff, IA

Average visibility in October - Sergeant Bluff, IA
  • 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).

Sergeant Bluff, Iowa, USA

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