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 onset of October brings a small change in high-temperatures, falling from a warm 79.7°F (26.5°C) in September to a comfortable 66°F (18.9°C). Throughout October, the nighttime temperature averages to a frosty 49.5°F (9.7°C).Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In Saint Charles, Missouri, during October, the rain falls for 10.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 141.9 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
In Saint Charles, snow does not fall in April through October.Daylight
In Saint Charles, Missouri, the average length of the day in October is 11h and 10min.On the first day of October in Saint Charles, Missouri, sunrise is at 6:58 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 6:02 pm CDT.
Sunshine
The average sunshine in October is 6.2h.UV index
The average daily maximum UV index in October in Saint Charles, Missouri, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In October, the maximum UV index of 3 suggests these recommendations:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are October temperatures in Saint Charles?
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 it does not snow in Saint Charles?
Does it snow in Saint Charles in October?
What is the average length of the day in October in Saint Charles?
When is the sunrise / sunset in October in Saint Charles?
How long on average sun shines in October in Saint Charles?
How high is the UV index in October in Saint Charles?
Average temperature in October
Saint Charles, MO
- Average high temperature in October: 66°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in October: 49.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Saint Charles, MO
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Saint Charles, MO
- Average wind speed in October: 7.9mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in October
Saint Charles, MO
- Average humidity in October: 70%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Saint Charles, MO
- Average rainfall in October: 2.24"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in October
Saint Charles, MO
- Average rainfall days in October: 10.3 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).
Average snowfall in October
Saint Charles, MO
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Saint Charles, MO
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Saint Charles, MO
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in October
Saint Charles, MO
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in October
Saint Charles, MO
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Saint Charles, MO
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Saint Charles, MO
- 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, Missouri, USA
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