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

A distinct shift in the average high-temperature is signaled in October, moving down from a pleasant 71.6°F (22°C) in September to a cool 54.3°F (12.4°C). Goodwin experiences a steady low-temperature of 39°F (3.9°C) throughout October.

Humidity

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

Rainfall

In Goodwin, in October, during 8.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Goodwin, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.

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 Goodwin, South Dakota, the average length of the day in October is 10h and 57min.
On the first day of October, 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.

Sunshine

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

UV index

In Goodwin, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in October suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What are October temperatures in Goodwin?

In Goodwin, 54.3°F (12.4°C) is the average high-temperature and 39°F (3.9°C) is the average low-temperature during October. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in July is estimated at 84.2°F (29°C).

What is the least humid month?

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

What is the average humidity in October?

The average relative humidity in October is 68%.

How much does it rain in October?

In Goodwin, South Dakota, during October, the rain falls for 8.3 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When does it start to snow?

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.

What is the average length of the day in October?

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

When are sunrise and sunset in October?

In October, on the first day of the month, 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 is 6h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Goodwin, South Dakota, USA

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