October weather forecastUnion Center, SD
October
Weather in October
October, like September, is another refreshing autumn month in Union Center, South Dakota, with an average temperature fluctuating between 40.1°F (4.5°C) and 56.3°F (13.5°C).Temperature
Union Center's October weather is marked by a distinct drop in high-temperatures, declining from a warm 73.8°F (23.2°C) in September to a mild 56.3°F (13.5°C). Union Center records a consistent low-temperature of 40.1°F (4.5°C) during October nights.Humidity
The average relative humidity in October is 59%.Rainfall
In Union Center, South Dakota, during October, the rain falls for 9 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Union Center, there are 126.3 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Union Center, in October, during 3.4 snowfall days, 2.32" (59mm) of snow is typically accumulated. In Union Center, South Dakota, during the entire year, snow falls for 62.1 days and aggregates up to 36.26" (921mm) of snow.Daylight
In October, the average length of the day 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, South Dakota, is 7.1h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in October, converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 6min
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).
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).
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).
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).
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).
