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
Witnessing a clear downswing, the average high-temperature during October drops from September's moderately hot 76.1°F (24.5°C) to a refreshing 58.5°F (14.7°C). The average low-temperature, in October, in Mount Vernon, is a cold 42.1°F (5.6°C).Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 63%.Rainfall
In October, the rain falls for 6.8 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 93.2 rainfall days, and 11.3" (287mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mount Vernon are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.31" (8mm) of snow. In Mount Vernon, during the entire year, snow falls for 35.3 days and aggregates up to 7.17" (182mm) of snow.Daylight
The average length of the day in October in Mount Vernon is 10h and 59min.On the first day of the month, sunrise is at 7:31 am and sunset at 7:13 pm. On the last day of October, sunrise is at 8:08 am and sunset at 6:24 pm CDT.
Sunshine
In October, the average sunshine is 6.5h.UV index
The average daily maximum UV index in October in Mount Vernon is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in October interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Mount Vernon in October?
What are the least humid months in Mount Vernon?
What is the average humidity in October in Mount Vernon?
How many days does it rain in October in Mount Vernon?
When does it start snowing in Mount Vernon?
What is the average length of the day in October in Mount Vernon?
What time are sunrise and sunset in October in Mount Vernon?
How many hours of sunshine does Mount Vernon have in October?
What is the UV index reading in October in Mount Vernon?
Average temperature in October
Mount Vernon, SD
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in October
Mount Vernon, 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
Mount Vernon, SD
- Average wind speed in October: 10.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in October
Mount Vernon, SD
- Average humidity in October: 63%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in October
Mount Vernon, SD
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").
Average rainfall days in October
Mount Vernon, SD
- Average rainfall days in October: 6.8 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in October
Mount Vernon, SD
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Mount Vernon, SD
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mount Vernon, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in October: 6h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Mount Vernon, SD
- Average sunshine days in October: 22 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in October
Mount Vernon, SD
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Mount Vernon, SD
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in October
Mount Vernon, 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).
Mount Vernon, South Dakota, USA
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