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
Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from a moderately hot 79.9°F (26.6°C) to a refreshing 67.1°F (19.5°C). Throughout the month of October, the nighttime temperature in Saint Mary dips to an average of 49.1°F (9.5°C).Humidity
The least humid month in Saint Mary is October, with an average relative humidity of 71%.Rainfall
In Saint Mary, in October, during 10.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Saint Mary, during the entire year, the rain falls for 156.4 days and collects up to 34.25" (870mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in Saint Mary. Throughout October, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 16 snowfall days, and 6.89" (175mm) of snow is accumulated.Daylight
In October, the average length of the day in Saint Mary is 11h and 12min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:42 pm. On the last day of October, in Saint Mary, sunrise is at 7:25 am and sunset at 6:01 pm CDT.
Sunshine
The average sunshine in October in Saint Mary is 6.4h.UV index
In Saint Mary, Missouri, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In October, a daily UV index of 3 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Saint Mary?
What is the least humid month in Saint Mary?
What is the average humidity in October in Saint Mary?
How much does it rain in Saint Mary in October?
When does it start to snow in Saint Mary?
How many hours of daylight does Saint Mary have in October?
When is the sunrise / sunset in October in Saint Mary?
How long on average sun shines in October in Saint Mary?
How high is the UV index in October in Saint Mary?
Average temperature in October
Saint Mary, MO
- Average high temperature in October: 67.1°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 (39.6°F).
- Average low temperature in October: 49.1°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 (25.7°F).
Average pressure in October
Saint Mary, MO
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Saint Mary, MO
- Average wind speed in October: 7.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in October
Saint Mary, MO
- Average humidity in October: 71%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Saint Mary, MO
- Average rainfall in October: 2.87"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in October
Saint Mary, MO
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in October
Saint Mary, MO
- Average snowfall in October: 0.16"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Saint Mary, MO
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (5.2 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 Mary, MO
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in October
Saint Mary, MO
- Average sunshine days in October: 18.9 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in October
Saint Mary, 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 Mary, MO
- Average cloud cover in October: 32
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in October
Saint Mary, 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 Mary, Missouri, USA
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