October weather forecastDenby, SD
October
Weather in October
October, like September, is a moderate autumn month in Denby, South Dakota, with an average temperature fluctuating between 58.5°F (14.7°C) and 41°F (5°C).Temperature
Denby's October weather is marked by a distinct drop in high-temperatures, declining from a warm 77°F (25°C) in September to a mild 58.5°F (14.7°C). During October, Denby consistently records a temperature low averaging an icy 41°F (5°C).Humidity
In October, the average relative humidity is 57%.Rainfall
In October, in Denby, the rain falls for 7.5 days. Throughout October, 1.1" (28mm) of precipitation is accumulated. In Denby, during the entire year, the rain falls for 86.7 days and collects up to 13.66" (347mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Denby, during October, snow falls for 2 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 47.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
In Denby, the average length of the day in October is 11h and 1min.On the first day of October in Denby, South Dakota, sunrise is at 6:47 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:42 pm MDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Denby, SD
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in October: 41°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in October
Denby, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Denby, SD
- Average wind speed in October: 11.4mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in October
Denby, SD
- Average humidity in October: 57%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in October
Denby, SD
- Average rainfall in October: 1.1"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in October
Denby, SD
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in October
Denby, SD
- Average snowfall in October: 1.54"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Denby, SD
- Average snowfall days in October: 2 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Denby, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 7h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in October
Denby, SD
- Average sunshine days in October: 20.9 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in October
Denby, SD
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Denby, SD
- Average cloud cover in October: 28
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in October
Denby, SD
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





