October weather forecastMorristown, SD
October
Weather in October
October, like September, in Morristown, South Dakota, is another fresh autumn month, with an average temperature ranging between max 54.7°F (12.6°C) and min 39.4°F (4.1°C).Temperature
The start of October signals a clear decrease in the average high-temperature, falling from a pleasant 73°F (22.8°C) in September to a cool 54.7°F (12.6°C). During October, Morristown witnesses a consistent average low-temperature of 39.4°F (4.1°C).Humidity
In October, the average relative humidity in Morristown is 60%.Rainfall
In October, in Morristown, the rain falls for 7.5 days. Throughout October, 1.26" (32mm) of precipitation is accumulated. In Morristown, South Dakota, during the entire year, the rain falls for 101.3 days and collects up to 14.25" (362mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Morristown. October is the first month it typically snows. Throughout October, in the average 3.2 snowfall days, it receives 1.69" (43mm) of snow. Throughout the year, in Morristown, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
In Morristown, the average length of the day in October is 10h and 55min.On the first day of October, sunrise is at 6:46 am and sunset at 6:26 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:33 pm MDT.
Sunshine
In Morristown, South Dakota, the average sunshine in October is 6.6h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In October, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Morristown, SD
- Average high temperature in October: 54.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in October: 39.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in October
Morristown, SD
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in October
Morristown, SD
- Average wind speed in October: 11.6mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in October
Morristown, SD
- Average humidity in October: 60%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in October
Morristown, SD
- Average rainfall in October: 1.26"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in October
Morristown, SD
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in October
Morristown, SD
- Average snowfall in October: 1.69"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Morristown, SD
- Average snowfall days in October: 3.2 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Morristown, SD
- Average daylight in October: 10h and 54min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in October: 6h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in October
Morristown, SD
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in October
Morristown, SD
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Morristown, SD
- Average cloud cover in October: 34
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in October
Morristown, 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).





