Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
As October sets, the average high-temperature displays a significant decrease, moving down from a pleasant 71.6°F (22°C) in September to a cool 53.8°F (12.1°C). During October, Roslyn's temperature averages to a cold 38.7°F (3.7°C) at night.Humidity
The average relative humidity in October is 68%.Rainfall
In Roslyn, in October, during 8.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Roslyn, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.Snowfall
Months with snowfall in Roslyn are January through May, October through December. October is the first month it typically snows in Roslyn. Throughout October, in the average 2.6 snowfall days, it receives 2.17" (55mm) of snow. In Roslyn, during the entire year, snow falls for 68.4 days and aggregates up to 23.74" (603mm) of snow.Daylight
In October, the average length of the day is 10h and 55min.On the first day of October, sunrise is at 7:29 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 6:17 pm CDT.
Sunshine
In Roslyn, South Dakota, the average sunshine in October is 5.9h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in October transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Enhance your sun protection with tightly woven, yet airy clothing. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
How many hours of daylight does Roslyn have in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Roslyn, SD
- Average high temperature in October: 53.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in October: 38.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in October
Roslyn, SD
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Roslyn, SD
- Average wind speed in October: 11.3mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in October
Roslyn, SD
- Average humidity in October: 68%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall in October
Roslyn, SD
- Average rainfall in October: 2.52"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in October
Roslyn, SD
- Average rainfall days in October: 8.8 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in October
Roslyn, SD
- Average snowfall in October: 2.17"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Roslyn, SD
- Average snowfall days in October: 2.6 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Roslyn, SD
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in October: 5h and 5min
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 12min).
Average sunshine days in October
Roslyn, SD
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in October
Roslyn, 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, November and December (UV index 1).
Average cloud cover in October
Roslyn, SD
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in October
Roslyn, SD
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Roslyn, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location