Contents
- Weather in October
- Frequently asked questions
- Average temperature 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 UV index in October
Weather in October
Temperature
October in St. Louis comes with a drop in the average high-temperature, falling from September's moderately hot 80.2°F to a pleasant 68.5°F. St. Louis, during October, witnesses an average low-temperature of 48.9°F.Humidity
The average relative humidity in October in St. Louis is 68.7%.Rainfall
In October, in St. Louis, the rain falls for 8.7 days. Throughout October, 3.35" of precipitation is accumulated. Throughout the year, in St. Louis, there are 112.6 rainfall days, and 40.94" of precipitation is accumulated.Snowfall
May through October are months without snowfall in St. Louis.Daylight
In St. Louis, the average length of the day in October is 11h and 11min.On the first day of October in St. Louis, sunrise is at 6:56 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 6:02 pm CDT.
Sunshine
The average sunshine in October in St. Louis, Missouri, is 6.7h.UV index
In October, the average daily maximum UV index in St. Louis is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in October translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
FAQ
What is the usual temperature for St. Louis in October?
What is the average humidity in October in St. Louis?
How many days does it rain in October in St. Louis?
When it does not snow in St. Louis?
Does it snow in St. Louis in October?
How many hours of daylight does St. Louis have in October?
What time are sunrise and sunset in October in St. Louis?
How long on average sun shines in October in St. Louis?
What is the UV index reading in October in St. Louis?
Average temperature in October
St. Louis, MO
- Average high temperature in October: 68.5°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in October: 49°F
The month with the highest average low temperature is July (71°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average humidity in October
St. Louis, MO
- Average humidity in October: 68.7%
The month with the highest relative humidity is December (75.8%).
The month with the lowest relative humidity is April (63.5%).
Average rainfall in October
St. Louis, MO
- Average rainfall in October: 3.3"
The wettest month (with the highest rainfall) is May (4.7").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in October
St. Louis, MO
- Average rainfall days in October: 8.7 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is September (7.4 days).
Average snowfall in October
St. Louis, MO
- Average snowfall in October: 0"
The month with the highest snowfall is January (5.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
St. Louis, MO
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
St. Louis, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average UV index in October
St. Louis, MO
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
St. Louis, Missouri, USA
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