October weather forecast
Dedham, IA

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Weather in October

October, like September, is a moderate autumn month in Dedham, Iowa, with an average temperature varying between 59.5°F (15.3°C) and 43.9°F (6.6°C).

Temperature

The shift from September to October brings a noticeable decrease in the average high-temperature, dropping from a warm 74.7°F (23.7°C) to a mild 59.5°F (15.3°C). Throughout October, Dedham witnesses a nighttime temperature average of 43.9°F (6.6°C).

Humidity

April and October, with an average relative humidity of 69%, are the least humid months.

Rainfall

In Dedham, in October, during 9.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Dedham, during the entire year, the rain falls for 130.1 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

Months with snowfall in Dedham are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.2" (5mm) of snow. In Dedham, during the entire year, snow falls for 44.8 days and aggregates up to 19.8" (503mm) of snow.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of October, sunrise is at 7:17 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:14 pm CDT.

Sunshine

The average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index in Dedham is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 2 in October translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In Dedham, in October, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 43.9°F (6.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the least humid month?

The months with the lowest humidity are April and October, with an average relative humidity of 69%.

What is the average humidity in October?

The average relative humidity in October is 69%.

How many days does it rain in October?

In Dedham, Iowa, in October, it is raining for 9.9 days, with typically 2.13" (54mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.2" (5mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 4min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:17 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:14 pm CDT.

How long on average sun shines in October?

In Dedham, Iowa, the average sunshine duration in October is 5.7h.

What is the UV index reading in October?

In October, the average daily maximum UV index in Dedham is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Dedham, IA

Average temperature in October - Dedham, IA
  • Average high temperature in October: 59.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in October: 43.9°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in October
Dedham, IA

Average pressure in October - Dedham, 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 (29.88"Hg).

Average wind speed in October
Dedham, IA

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

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in October
Dedham, IA

Average humidity in October - Dedham, IA
  • Average humidity in October: 69%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

Average rainfall in October
Dedham, IA

Average rainfall in October - Dedham, IA
  • Average rainfall in October: 2.13"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in October
Dedham, IA

Average rainfall days in October - Dedham, IA
  • Average rainfall days in October: 9.9 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in October
Dedham, IA

Average snowfall in October - Dedham, IA
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Dedham, IA

Average snowfall days in October - Dedham, IA
  • Average snowfall days in October: 0.9 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Dedham, IA

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

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 12min).

  • 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 12min).

Average sunshine days in October
Dedham, IA

Average sunshine days in October - Dedham, IA
  • Average sunshine days in October: 18.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).

Average UV index in October
Dedham, IA

Average UV index in October - Dedham, IA
  • Average UV index in October: 2

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

Average cloud cover in October
Dedham, IA

Average cloud cover in October - Dedham, IA
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in October
Dedham, IA

Average visibility in October - Dedham, IA
  • Average visibility in October: 6mi

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

Dedham, Iowa, USA

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