October weather forecastDeadwood, SD
October
Weather in October
In October, temperatures in Deadwood continue on the downward trend, signaling the approach of winter. The foliage colors peak during this time, providing a beautiful contrast against the blue skies. The weather largely remains dry with less frequent rainfall, allowing people to enjoy the autumn season fully. However, towards the end of the month, it is not unusual for the city to experience the first snowflakes of the season.Temperature
October's onset witnesses a marked shift in the average high-temperature, moving from an agreeable 71.8°F (22.1°C) in September to a fresh 53.6°F (12°C). Deadwood registers a consistent average low-temperature of 36.7°F (2.6°C) during October.Humidity
The average relative humidity in October is 62%.Rainfall
In Deadwood, in October, during 6.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Deadwood, there are 96.1 rainfall days, and 14.02" (356mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Deadwood, South Dakota, in October, snow falls for 4.7 days, with typically accumulated 3.43" (87mm) of snow. In Deadwood, during the entire year, snow falls for 66.6 days and aggregates up to 34.53" (877mm) of snow.Daylight
The average length of the day in October is 10h and 58min.On the first day of the month, sunrise is at 6:53 am and sunset at 6:34 pm. On the last day of October, in Deadwood, South Dakota, sunrise is at 7:31 am and sunset at 5:45 pm MDT.
Sunshine
The average sunshine in October in Deadwood is 7h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in October suggests the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Deadwood, SD
- Average high temperature in October: 53.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in October: 36.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure in October
Deadwood, 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
Deadwood, SD
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in October
Deadwood, SD
- Average humidity in October: 62%
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in October
Deadwood, SD
- Average rainfall in October: 1.22"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Deadwood, SD
- Average rainfall days in October: 6.5 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in October
Deadwood, SD
- Average snowfall in October: 3.43"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in October
Deadwood, SD
- Average snowfall days in October: 4.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in October /
Average sunshine in October
Deadwood, 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 0min
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
Deadwood, SD
- Average sunshine days in October: 18.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in October
Deadwood, SD
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in October
Deadwood, SD
- Average cloud cover in October: 28
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Deadwood, 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).
