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
Salem's October weather is marked by a distinct drop in high-temperatures, declining from a warm 74.3°F (23.5°C) in September to a refreshing 57.2°F (14°C). During October nights, Salem witnesses a consistent average temperature of 41.2°F (5.1°C).Humidity
October is the least humid month, with an average relative humidity of 67%.Rainfall
In October, the rain falls for 8.5 days. Throughout October, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 118.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 0.51" (13mm) of snow. In Salem, South Dakota, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.Daylight
The average length of the day in October is 10h and 59min.On the first day of the month, sunrise is at 7:28 am and sunset at 7:09 pm. On the last day of October, in Salem, sunrise is at 8:05 am and sunset at 6:21 pm CDT.
Sunshine
In October, the average sunshine is 6.1h.UV index
In Salem, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing in Salem?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How many hours of sunshine does Salem have in October?
What is the UV index reading in October?
Average temperature in October
Salem, SD
- Average high temperature in October: 57.2°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in October: 41.2°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 (9.3°F).
Average pressure in October
Salem, SD
- Average pressure in October: 29.99"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
Salem, SD
- Average wind speed in October: 10.7mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in October
Salem, SD
- Average humidity in October: 67%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in October
Salem, SD
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in October
Salem, SD
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in October
Salem, SD
- Average snowfall in October: 0.51"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Salem, SD
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Salem, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Salem, SD
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in October
Salem, SD
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Salem, SD
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
Salem, SD
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Salem, South Dakota, USA
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