October weather forecast
Fort Madison, IA

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Weather in October

October in Fort Madison is marked by the complete arrival of autumn. Temperatures notably drop, and the golden hues of the season take hold. The first instances of light frost could be experienced during the late nights and early mornings. The wind picks up speed, and the bare trees gradually start to appear as leaves fall. Monthly temperatures further decline into a more substantial chill, registering between 46°F (7.8°C) and 62.6°F (17°C).

Temperature

The changeover to October signals a significant decrease in the average high-temperature, dropping from a warm 77°F (25°C) in September to an enjoyable 62.6°F (17°C). Throughout October, an average nighttime temperature of 46°F (7.8°C) is experienced in Fort Madison.

Humidity

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

Rainfall

In Fort Madison, in October, during 7.6 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, in Fort Madison, there are 101.8 rainfall days, and 9.92" (252mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Fort Madison. Throughout October, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow. In Fort Madison, Iowa, during the entire year, snow falls for 24.5 days and aggregates up to 4.25" (108mm) of snow.

Daylight

In October, the average length of the day is 11h and 7min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:46 pm. On the last day of October, in Fort Madison, sunrise is at 7:35 am and sunset at 6:02 pm CDT.

Sunshine

In Fort Madison, the average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index in Fort Madison is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 in October translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the average October temperature in Fort Madison?

Fort Madison in October has an average high-temperature of 62.6°F (17°C) and an average low-temperature of 46°F (7.8°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What is the least humid month in Fort Madison?

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

What is the average humidity in October in Fort Madison?

The average relative humidity in October in Fort Madison is 71%.

How many days does it rain in October in Fort Madison?

In Fort Madison, Iowa, in October, it is raining for 7.6 days, with typically 0.75" (19mm) of accumulated precipitation.

When does it start to snow in Fort Madison?

October is the first month it typically snows in Fort Madison, Iowa. Throughout October, in the average 0.4 snowfall days, it receives 0.24" (6mm) of snow.

How many hours of daylight does Fort Madison have in October?

In October, the average day length in Fort Madison is 11h and 7min.

When are sunrise and sunset in October in Fort Madison?

In October, on the first day of the month, sunrise is at 7:02 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:02 pm CDT.

How long on average sun shines in October in Fort Madison?

The average sunshine duration in October in Fort Madison, Iowa, is 5.7h.

What is the UV index intensity in October in Fort Madison?

In Fort Madison, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Fort Madison, IA

Average temperature in October - Fort Madison, IA
  • Average high temperature in October: 62.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in October
Fort Madison, IA

Average pressure in October - Fort Madison, IA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in October
Fort Madison, IA

Average wind speed in October - Fort Madison, IA
  • Average wind speed in October: 9.1mph

The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in October
Fort Madison, IA

Average humidity in October - Fort Madison, IA
  • Average humidity in October: 71%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Fort Madison, IA

Average rainfall in October - Fort Madison, IA
  • Average rainfall in October: 0.75"

The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").

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Average rainfall days in October
Fort Madison, IA

Average rainfall days in October - Fort Madison, IA
  • Average rainfall days in October: 7.6 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in October
Fort Madison, IA

Average snowfall in October - Fort Madison, IA
  • Average snowfall in October: 0.24"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Fort Madison, IA

Average snowfall days in October - Fort Madison, IA
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Fort Madison, IA

Average daylight in October / Average sunshine in October - Fort Madison, IA
  • Average daylight in October: 11h and 1min

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

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in October
Fort Madison, IA

Average sunshine days in October - Fort Madison, IA
  • Average sunshine days in October: 20.8 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).

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Average UV index in October
Fort Madison, IA

Average UV index in October - Fort Madison, IA
  • Average UV index in October: 3

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

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Average cloud cover in October
Fort Madison, IA

Average cloud cover in October - Fort Madison, IA
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).

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Average visibility in October
Fort Madison, IA

Average visibility in October - Fort Madison, 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).

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Fort Madison, Iowa, USA

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