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
In October, the average high-temperature in St. Louis decreases from a warm 80.2°F (26.8°C) in September to an agreeable 68.5°F (20.3°C). The average low-temperature, in St. Louis, Missouri, is 48.9°F (9.4°C).Humidity
The average relative humidity in October in St. Louis is 68.7%.Rainfall
In St. Louis, in October, it is raining for 8.7 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, in St. Louis, there are 112.6 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.Snowfall
In St. Louis, snow does not fall in May through October.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
In St. Louis, the average sunshine in October is 6.7h.UV index
In St. Louis, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
FAQ
What is the temperature in October in St. Louis?
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?
When are sunrise and sunset in October in St. Louis?
How long on average sun shines in October in St. Louis?
How high is the UV index 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).
Weather forecast for your location
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