October weather forecast
Union Center, SD

Share

Weather in October

October, like September, is another mild autumn month in Union Center, South Dakota, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 40.1°F (4.5°C).

Temperature

The transition from September to October brings a clear temperature drop, with average high-temperatures decreasing from a warm 73.8°F (23.2°C) to a refreshing 56.3°F (13.5°C). During October, Union Center experiences an average low-temperature of 40.1°F (4.5°C) at night.

Humidity

In Union Center, South Dakota, the average relative humidity in October is 59%.

Rainfall

In October, the rain falls for 9 days. Throughout October, 1.38" (35mm) of precipitation is accumulated. In Union Center, during the entire year, the rain falls for 126.3 days and collects up to 16.77" (426mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Union Center, during October, snow falls for 3.4 days and regularly aggregates up to 2.32" (59mm) of snow. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.

Daylight

The average length of the day in October in Union Center is 10h and 58min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:40 pm MDT.

Sunshine

The average sunshine in October in Union Center is 7.1h.

UV index

In Union Center, South Dakota, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 in October translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

Frequently asked questions

What is the usual temperature for Union Center in October?

October temperatures vary between a high-temperature of 56.3°F (13.5°C) and a low-temperature of 40.1°F (4.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 82.4°F (28°C).

What is the average humidity in October in Union Center?

In Union Center, the average relative humidity in October is 59%.

How much does it rain in Union Center in October?

In October, in Union Center, South Dakota, the rain falls for 9 days. Throughout October, 1.38" (35mm) of precipitation is accumulated.

How much does it snow in Union Center in October?

In Union Center, South Dakota, in October, snow falls for 3.4 days, with typically accumulated 2.32" (59mm) of snow.

What is the average length of the day in October in Union Center?

The average day length in October is 10h and 58min.

When is the sunrise / sunset in October in Union Center?

On the first day of October in Union Center, South Dakota, sunrise is at 6:49 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:40 pm MDT.

How many hours of sunshine does Union Center have in October?

In October, the average sunshine duration in Union Center, South Dakota, is 7.1h.

How high is the UV index in October in Union Center?

In Union Center, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium 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
Union Center, SD

Average temperature in October - Union Center, SD
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

[Resources]

Average pressure in October
Union Center, SD

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

[Resources]

Average wind speed in October
Union Center, SD

Average wind speed in October - Union Center, SD
  • Average wind speed in October: 10.4mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

[Resources]

Average humidity in October
Union Center, SD

Average humidity in October - Union Center, SD
  • Average humidity in October: 59%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

[Resources]

Average rainfall in October
Union Center, SD

Average rainfall in October - Union Center, SD
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

[Resources]

Average rainfall days in October
Union Center, SD

Average rainfall days in October - Union Center, SD
  • Average rainfall days in October: 9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

[Resources]

Average snowfall in October
Union Center, SD

Average snowfall in October - Union Center, SD
  • Average snowfall in October: 2.32"

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in October
Union Center, SD

Average snowfall days in October - Union Center, SD
  • Average snowfall days in October: 3.4 days

The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Union Center, SD

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

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: 7h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

[Resources]

Average sunshine days in October
Union Center, SD

Average sunshine days in October - Union Center, SD
  • Average sunshine days in October: 17.3 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

[Resources]

Average UV index in October
Union Center, SD

Average UV index in October - Union Center, SD
  • 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).

[Resources]

Average cloud cover in October
Union Center, SD

Average cloud cover in October - Union Center, SD
  • Average cloud cover in October: 27

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

[Resources]

Average visibility in October
Union Center, SD

Average visibility in October - Union Center, 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).

[Resources]

Union Center, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location