October weather forecast
Egan, SD

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Weather in October

October, like September, is a moderate autumn month in Egan, South Dakota, with an average temperature fluctuating between 55.9°F (13.3°C) and 40.1°F (4.5°C).

Temperature

The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a pleasant 72.5°F (22.5°C) to a moderate 55.9°F (13.3°C). Egan throughout October, experiences an average nighttime temperature of 40.1°F (4.5°C).

Humidity

The least humid month in Egan, South Dakota, is October, with an average relative humidity of 68%.

Rainfall

In Egan, South Dakota, in October, it is raining for 9.4 days, with typically 1.85" (47mm) of accumulated precipitation. In Egan, during the entire year, the rain falls for 113.8 days and collects up to 20.59" (523mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Egan. Throughout October, in the average 1.6 snowfall days, it receives 0.39" (10mm) of snow. In Egan, South Dakota, during the entire year, snow falls for 53.1 days and aggregates up to 20.04" (509mm) of snow.

Daylight

The average length of the day in October is 10h and 59min.
On the first day of October, sunrise is at 7:25 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 6:17 pm CDT.

Sunshine

In Egan, South Dakota, the average sunshine in October is 5.9h.

UV index

In October, the average daily maximum UV index in Egan is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during October translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Egan in October?

The average high-temperature, in October, in Egan, is 55.9°F (13.3°C), while the average low-temperature is 40.1°F (4.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 86°F (30°C).

What is the least humid month in Egan?

With an average relative humidity of 68%, October is the least humid month.

What is the average humidity in October in Egan?

The average relative humidity in October in Egan, South Dakota, is 68%.

How much does it rain in Egan in October?

In Egan, during October, the rain falls for 9.4 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it start snowing in Egan?

October is the first month it typically snows in Egan. Throughout October, in the average 1.6 snowfall days, it receives 0.39" (10mm) of snow.

What is the average length of the day in October in Egan?

In October, the average day length is 10h and 59min.

When is the sunrise / sunset in October in Egan?

On the first day of October, sunrise is at 7:25 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 6:17 pm CDT.

How many hours of sunshine does Egan have in October?

The average sunshine duration in October in Egan is 5.9h.

What is the UV index reading in October in Egan?

In October, the average daily maximum UV index in Egan, South Dakota, is 2. A UV Index reading of 2, and below, represents a low health risk 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
Egan, SD

Average temperature in October - Egan, SD
  • Average high temperature in October: 55.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in October
Egan, SD

Average pressure in October - Egan, 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 (29.86"Hg).

Average wind speed in October
Egan, SD

Average wind speed in October - Egan, SD
  • Average wind speed in October: 10.8mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in October
Egan, SD

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

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).

Average rainfall in October
Egan, SD

Average rainfall in October - Egan, SD
  • Average rainfall in October: 1.85"

The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and November (0.63").

Average rainfall days in October
Egan, SD

Average rainfall days in October - Egan, SD
  • Average rainfall days in October: 9.4 days

The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in October
Egan, SD

Average snowfall in October - Egan, SD
  • Average snowfall in October: 0.39"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Egan, SD

Average snowfall days in October - Egan, SD
  • Average snowfall days in October: 1.6 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
Egan, SD

Average daylight in October / Average sunshine in October - Egan, SD
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Egan, SD

Average sunshine days in October - Egan, SD
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in October
Egan, SD

Average UV index in October - Egan, 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, November and December (UV index 1).

Average cloud cover in October
Egan, SD

Average cloud cover in October - Egan, SD
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in October
Egan, SD

Average visibility in October - Egan, 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).

Egan, South Dakota, USA

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