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
The arrival of October brings a significant change in Vivian's weather, with average high-temperatures dropping from September's moderately hot 76.8°F (24.9°C) to a mild 58.5°F (14.7°C). In October, the recorded average low-temperature is a frosty 42.8°F (6°C).Humidity
In Vivian, the average relative humidity in October is 59%.Rainfall
In Vivian, in October, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation. In Vivian, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, in Vivian, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
The average length of the day in October is 10h and 59min.On the first day of the month, sunrise is at 7:39 am and sunset at 7:21 pm. On the last day of October, in Vivian, sunrise is at 8:17 am and sunset at 6:32 pm CDT.
Sunshine
In Vivian, the average sunshine in October is 7h.UV index
The average daily maximum UV index in October in Vivian is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the UV index of 3 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in October in Vivian?
What is the average humidity in October in Vivian?
How much does it rain in Vivian in October?
When does it start to snow in Vivian?
How many hours of daylight does Vivian have in October?
When are sunrise and sunset in October in Vivian?
How many hours of sunshine does Vivian have in October?
What is the UV index intensity in October in Vivian?
Average temperature in October
Vivian, SD
- Average high temperature in October: 58.5°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in October: 42.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in October
Vivian, SD
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Vivian, SD
- Average wind speed in October: 11.6mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).
Average humidity in October
Vivian, SD
- Average humidity in October: 59%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in October
Vivian, SD
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in October
Vivian, SD
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in October
Vivian, SD
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Vivian, SD
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Vivian, 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: 7h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in October
Vivian, SD
- Average sunshine days in October: 21.3 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in October
Vivian, 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 February and December (UV index 1).
Average cloud cover in October
Vivian, SD
- Average cloud cover in October: 30
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in October
Vivian, 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).
Vivian, South Dakota, USA
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