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
Chesterfield's October weather shows a moderate shift in high-temperatures, falling from September's moderately hot 79.7°F (26.5°C) to an enjoyable 66.4°F (19.1°C). Chesterfield observes an average low-temperature of 48.7°F (9.3°C) during October nights.Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Chesterfield, in October, it is raining for 10.6 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 139.6 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
In Chesterfield, snow does not fall in April through October.Daylight
In Chesterfield, the average length of the day in October is 11h and 11min.On the first day of October, 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
In Chesterfield, the average sunshine in October is 6.1h.UV index
In Chesterfield, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: During October, 3 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Enhance your sun protection with tightly woven, yet airy clothing. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chesterfield in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in Chesterfield in October?
How many hours of daylight does Chesterfield have in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Chesterfield, MO
- Average high temperature in October: 66.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in October: 48.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in October
Chesterfield, 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
Chesterfield, MO
- Average wind speed in October: 7.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in October
Chesterfield, MO
- Average humidity in October: 71%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Chesterfield, MO
- Average rainfall in October: 2.32"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in October
Chesterfield, MO
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in October
Chesterfield, MO
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Chesterfield, MO
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.7 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
Chesterfield, 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 42min).
Average sunshine days in October
Chesterfield, MO
- Average sunshine days in October: 19.2 days
The months with the most sunshine days are January and December (20.2 days).
The month with the least sunshine days is June (12 days).
Average UV index in October
Chesterfield, MO
- Average UV index in October: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Chesterfield, MO
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in October
Chesterfield, 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).
Chesterfield, Missouri, USA
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