October weather forecast
Goodwin, SD

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Weather in October

October, like September, in Goodwin, South Dakota, is another fresh autumn month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 39°F (3.9°C).

Temperature

As Goodwin transitions into October, the average high-temperature shows a marked reduction, decreasing from an agreeable 71.6°F (22°C) in September to a cool 54.3°F (12.4°C). Nightly temperatures drop to an average low of 39°F (3.9°C) in October.

Humidity

September and October, with an average relative humidity of 68%, are the least humid months.

Rainfall

In Goodwin, during October, the rain falls for 8.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow. Throughout the year, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.

Daylight

In October, the average length of the day in Goodwin is 10h and 57min.
On the first day of the month, sunrise is at 7:26 am and sunset at 7:07 pm. On the last day of October, sunrise is at 8:05 am and sunset at 6:16 pm CDT.

Sunshine

The average sunshine in October is 6h.

UV index

In Goodwin, South Dakota, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during October translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average October temperature in Goodwin?

In October, the average high-temperature and low-temperature in Goodwin are 54.3°F (12.4°C) and 39°F (3.9°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 84.2°F (29°C).

What is the least humid month in Goodwin?

The months with the lowest humidity in Goodwin are September and October, with an average relative humidity of 68%.

What is the average humidity in October in Goodwin?

The average relative humidity in October in Goodwin is 68%.

How many days does it rain in October in Goodwin?

In Goodwin, in October, during 8.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When does it start snowing in Goodwin?

October is the first month it typically snows in Goodwin. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow.

How many hours of daylight does Goodwin have in October?

In Goodwin, the average day length in October is 10h and 57min.

When are sunrise and sunset in October in Goodwin?

On the first day of October in Goodwin, sunrise is at 7:26 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 6:16 pm CDT.

How many hours of sunshine does Goodwin have in October?

In October, the average sunshine duration in Goodwin is 6h.

How high is the UV index in October in Goodwin?

In Goodwin, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Goodwin, SD

Average temperature in October - Goodwin, SD
  • Average high temperature in October: 54.3°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in October: 39°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

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Average pressure in October
Goodwin, SD

Average pressure in October - Goodwin, SD
  • Average pressure in October: 29.98"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in October
Goodwin, SD

Average wind speed in October - Goodwin, SD
  • Average wind speed in October: 11.2mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in October
Goodwin, SD

Average humidity in October - Goodwin, SD
  • Average humidity in October: 68%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

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Average rainfall in October
Goodwin, SD

Average rainfall in October - Goodwin, SD
  • Average rainfall in October: 1.73"

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days in October
Goodwin, SD

Average rainfall days in October - Goodwin, SD
  • Average rainfall days in October: 8.3 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall in October
Goodwin, SD

Average snowfall in October - Goodwin, SD
  • Average snowfall in October: 0.94"

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Goodwin, SD

Average snowfall days in October - Goodwin, SD
  • Average snowfall days in October: 2.3 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Goodwin, SD

Average daylight in October / Average sunshine in October - Goodwin, SD
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in October: 6h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in October
Goodwin, SD

Average sunshine days in October - Goodwin, SD
  • Average sunshine days in October: 19.1 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

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Average UV index in October
Goodwin, SD

Average UV index in October - Goodwin, SD
  • Average UV index in October: 2

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

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Average cloud cover in October
Goodwin, SD

Average cloud cover in October - Goodwin, SD
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in October
Goodwin, SD

Average visibility in October - Goodwin, SD
  • Average visibility in October: 6mi

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

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Goodwin, South Dakota, USA

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