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
Saint Charles's transition into October is marked by a clear temperature shift, receding from a warm 75.4°F (24.1°C) in September to a refreshing 58.8°F (14.9°C). Saint Charles, during the month of October, experiences an average low-temperature of 42.8°F (6°C).Humidity
October is the least humid month in Saint Charles, with an average relative humidity of 61%.Rainfall
In Saint Charles, during October, the rain falls for 7.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Saint Charles, during the entire year, the rain falls for 109.3 days and collects up to 19.41" (493mm) 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 0.67" (17mm) of snow. Throughout the year, there are 33.1 snowfall days, and 14.29" (363mm) of snow is accumulated.Daylight
In October, the average length of the day in Saint Charles is 11h and 1min.On the first day of October in Saint Charles, sunrise is at 7:34 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 6:29 pm CDT.
Sunshine
The average sunshine in October in Saint Charles is 6.7h.UV index
In October, the average daily maximum UV index in Saint Charles is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Saint Charles in October?
What is the least humid month in Saint Charles?
What is the average humidity in October in Saint Charles?
How many days does it rain in October in Saint Charles?
When does it start snowing in Saint Charles?
What is the average length of the day in October in Saint Charles?
What time are sunrise and sunset in October in Saint Charles?
How long on average sun shines in October in Saint Charles?
What is the UV index intensity in October in Saint Charles?
Average temperature in October
Saint Charles, SD
- Average high temperature in October: 58.8°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in October: 42.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in October
Saint Charles, SD
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in October
Saint Charles, SD
- Average wind speed in October: 11.6mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).
Average humidity in October
Saint Charles, SD
- Average humidity in October: 61%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (61%).
Average rainfall in October
Saint Charles, SD
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in October
Saint Charles, SD
- Average rainfall days in October: 7.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in October
Saint Charles, SD
- Average snowfall in October: 0.67"
The month with the highest snowfall is December (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Saint Charles, SD
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Saint Charles, SD
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in October
Saint Charles, SD
- Average sunshine days in October: 20.6 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in October
Saint Charles, SD
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Saint Charles, SD
- Average cloud cover in October: 31
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 25).
Average visibility in October
Saint Charles, 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).
Saint Charles, South Dakota, USA
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