October weather forecastClark, SD
October
Weather in October
October, like September, in Clark, 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
Clark's transition into October is marked by a clear temperature shift, receding from an agreeable 71.6°F (22°C) in September to a cool 54.3°F (12.4°C). Clark in October anticipates an average nighttime temperature of 39°F (3.9°C).Humidity
September and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In October, the rain falls for 8.3 days. Throughout October, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Clark, 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 in Clark. October is the first month it typically snows. Throughout October, in the average 2.3 snowfall days, it receives 0.94" (24mm) of snow. In Clark, during the entire year, snow falls for 64.3 days and aggregates up to 17.56" (446mm) of snow.Daylight
In Clark, the average length of the day in October is 10h and 57min.On the first day of the month, sunrise is at 7:29 am and sunset at 7:10 pm. On the last day of October, sunrise is at 8:08 am and sunset at 6:20 pm CDT.
Sunshine
The average sunshine in October is 6h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Clark, 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
Clark, 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
Clark, 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
Clark, 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
Clark, 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
Clark, 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
Clark, 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
Clark, 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
Clark, SD
- Average daylight in October: 10h and 54min
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
Clark, 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
Clark, 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
Clark, 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
Clark, 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).





